HttpCapabilitiesBase Class

Definition

Provides access to detailed information about the capabilities of the client's browser.

C#
public class HttpCapabilitiesBase
C#
public class HttpCapabilitiesBase : System.Web.UI.IFilterResolutionService
Inheritance
HttpCapabilitiesBase
Derived
Implements

Examples

The following example shows how to access information about the browser.

ASP.NET (C#)
<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
System.Web.HttpBrowserCapabilities bCaps;

    void Page_Load(Object Sender, EventArgs e)
    {
        bCaps = Request.Browser;
        OutputLabel.Text = TestCaps();
    }   

    String TestCaps()
    {
        StringBuilder sb = new StringBuilder();
//</Snippet2>
//<Snippet100>
        sb.AppendLine(TestActiveXControls());
//</Snippet100>
        //<Snippet101>
        sb.AppendLine(TestAdapters());
        //</Snippet101>
        //<Snippet102>
        sb.AppendLine(TestAOL());
        //</Snippet102>
        //<Snippet103>
        sb.AppendLine(TestBackgroundSounds());
        //</Snippet103>
        //<Snippet104>
        sb.AppendLine(TestBeta());
        //</Snippet104>
        //<Snippet105>
        sb.AppendLine(TestBrowser());
        //</Snippet105>
        //<Snippet106>
        sb.AppendLine(TestBrowserID());
        //</Snippet106>
        //<Snippet107>
        sb.AppendLine(TestBrowsers());
        //</Snippet107>
        //<Snippet108>
        sb.AppendLine(TestCanCall());
        //</Snippet108>
        //<Snippet109>
        sb.AppendLine(TestCanRenderAfter());
        //</Snippet109>
        //<Snippet110>
        sb.AppendLine(TestCanRenderEmpty());
        //</Snippet110>
        //<Snippet111>
        sb.AppendLine(TestCanRenderInputSelectTogether());
        //</Snippet111>
        //<Snippet112>
        sb.AppendLine(TestCanRenderMixedSelects());
        //</Snippet112>
        //<Snippet113>
        sb.AppendLine(TestCanRenderOneventPrevTogether());
        //</Snippet113>
        //<Snippet114>
        sb.AppendLine(TestCanRenderPostBackCards());
        //</Snippet114>
        //<Snippet115>
        sb.AppendLine(TestCanRenderSetvar());
        //</Snippet115>
        //<Snippet116>
        sb.AppendLine(TestCanSendMail());
        //</Snippet116>
        //<Snippet117>
        sb.AppendLine(TestCDF());
        //</Snippet117>
        //<Snippet118>
        sb.AppendLine(TestCLRVersion());
        //</Snippet118>
        //<Snippet119>
        sb.AppendLine(TestCombineDeck());
        //</Snippet119>
        //<Snippet120>
        sb.AppendLine(TestDefaultSubmitButton());
        //</Snippet120>
        //<Snippet121>
        sb.AppendLine(TestECMAScriptVersion());
        //</Snippet121>
        //<Snippet123>
        sb.AppendLine(TestGatewayMajorVersion());
        //</Snippet123>
        //<Snippet124>
        sb.AppendLine(TestGatewayMinorVersion());
        //</Snippet124>
        //<Snippet125>
        sb.AppendLine(TestGatewayVersion());
        //</Snippet125>
        //<Snippet126>
        sb.AppendLine(TestHasBackButton());
        //</Snippet126>
        //<Snippet127>
        sb.AppendLine(TestHideRtAlignScrollBars());
        //</Snippet127>
        //<Snippet128>
        sb.AppendLine(TestInputType());
        //</Snippet128>
        //<Snippet129>
        sb.AppendLine(TestIsBrowser());
        //</Snippet129>
        //<Snippet130>
        sb.AppendLine(TestIsColor());
        //</Snippet130>
        //<Snippet131>
        sb.AppendLine(TestIsCrawler());
        //</Snippet131>
        //<Snippet132>
        sb.AppendLine(TestIsMobileDevice());
        //</Snippet132>
        //<Snippet133>
        sb.AppendLine(TestJavaScript());
        //</Snippet133>
        //<Snippet134>
        sb.AppendLine(TestJScriptVersion());
        //</Snippet134>
        //<Snippet135>
        sb.AppendLine(TestMajorVersion());
        //</Snippet135>
        //<Snippet136>
        sb.AppendLine(TestMaximumHrefLength());
        //</Snippet136>
        //<Snippet137>
        sb.AppendLine(TestMaximumRenderedPageSize());
        //</Snippet137>
        //<Snippet138>
        sb.AppendLine(TestMaximumSoftkeyLabelLength());
        //</Snippet138>
        //<Snippet139>
        sb.AppendLine(TestMinorVersion());
        //</Snippet139>
        //<Snippet140>
        sb.AppendLine(TestMinorVersionString());
        //</Snippet140>
        //<Snippet141>
        sb.AppendLine(TestMobileDeviceManufacturer());
        //</Snippet141>
        //<Snippet142>
        sb.AppendLine(TestMobileDeviceModel());
        //</Snippet142>
        //<Snippet143>
        sb.AppendLine(TestMSDomVersion());
        //</Snippet143>
        //<Snippet144>
        sb.AppendLine(TestNumberOfSoftKeys());
        //</Snippet144>
        //<Snippet145>
        sb.AppendLine(TestPlatform());
        //</Snippet145>
        //<Snippet146>
        sb.AppendLine(TestPreferredImageMime());
        //</Snippet146>
        //<Snippet147>
        sb.AppendLine(TestPreferredRenderingMime());
        //</Snippet147>
        //<Snippet148>
        sb.AppendLine(TestPreferredRenderingType());
        //</Snippet148>
        //<Snippet149>
        sb.AppendLine(TestPreferredRequestEncoding());
        //</Snippet149>
        //<Snippet150>
        sb.AppendLine(TestPreferredResponseEncoding());
        //</Snippet150>
        //<Snippet151>
        sb.AppendLine(TestRenderBreakBeforeWmlSelectAndInput());
        //</Snippet151>
        //<Snippet152>
        sb.AppendLine(TestRendersBreaksAfterHtmlLists());
        //</Snippet152>
        //<Snippet153>
        sb.AppendLine(TestRendersBreaksAfterWmlAnchor());
        //</Snippet153>
        //<Snippet154>
        sb.AppendLine(TestRendersBreaksAfterWmlInput());
        //</Snippet154>
        //<Snippet155>
        sb.AppendLine(TestRendersWmlDoAcceptsInline());
        //</Snippet155>
        //<Snippet157>
        sb.AppendLine(TestRendersWmlSelectsAsMenuCards());
        //</Snippet157>
        //<Snippet158>
        sb.AppendLine(TestRequiredMetaTagNameValue());
        //</Snippet158>
        //<Snippet159>
        sb.AppendLine(TestRequiresAttributeColonSubstitution());
        //</Snippet159>
        //<Snippet160>
        sb.AppendLine(TestRequiresContentTypeMetaTag());
        //</Snippet160>
        //<Snippet161>
        sb.AppendLine(TestRequiresControlStateInSession());
        //</Snippet161>
        //<Snippet162>
        sb.AppendLine(TestRequiresDBCSCharacter());
        //</Snippet162>
        //<Snippet163>
        sb.AppendLine(TestRequiresHtmlAdaptiveErrorReporting());
        //</Snippet163>
        //<Snippet164>
        sb.AppendLine(TestRequiresLeadingPageBreak());
        //</Snippet164>
        //<Snippet165>
        sb.AppendLine(TestRequiresNoBreakInFormatting());
        //</Snippet165>
        //<Snippet166>
        sb.AppendLine(TestRequiresOutputOptimization());
        //</Snippet166>
        //<Snippet167>
        sb.AppendLine(TestRequiresPhoneNumberAsPlainText());
        //</Snippet167>
        //<Snippet168>
        sb.AppendLine(TestRequiresSpecialViewStateEncoding());
        //</Snippet168>
        //<Snippet169>
        sb.AppendLine(TestRequiresUniqueFilePathSuffix());
        //</Snippet169>
        //<Snippet170>
        sb.AppendLine(TestRequiresUniqueHtmlCheckboxNames());
        //</Snippet170>
        //<Snippet171>
        sb.AppendLine(TestRequiresUniqueHtmlInputNames());
        //</Snippet171>
        //<Snippet172>
        sb.AppendLine(TestRequiresUrlEncodedPostfieldValues());
        //</Snippet172>
        //<Snippet173>
        sb.AppendLine(TestScreenBitDepth());
        //</Snippet173>
        //<Snippet174>
        sb.AppendLine(TestScreenCharactersHeight());
        //</Snippet174>
        //<Snippet175>
        sb.AppendLine(TestScreenCharactersWidth());
        //</Snippet175>
        //<Snippet176>
        sb.AppendLine(TestScreenPixelsHeight());
        //</Snippet176>
        //<Snippet177>
        sb.AppendLine(TestScreenPixelsWidth());
        //</Snippet177>
        //<Snippet178>
        sb.AppendLine(TestScreenAccesskeyAttribute());
        //</Snippet178>
        //<Snippet179>
        sb.AppendLine(TestSupportsBodyColor());
        //</Snippet179>
        //<Snippet180>
        sb.AppendLine(TestSupportsBold());
        //</Snippet180>
        //<Snippet181>
        sb.AppendLine(TestSupportsCacheControlMetaTag());
        //</Snippet181>
        //<Snippet182>
        sb.AppendLine(TestSupportsCallback());
        //</Snippet182>
        //<Snippet183>
        sb.AppendLine(TestSupportsCookies());
        //</Snippet183>
        //<Snippet184>
        sb.AppendLine(TestSupportsCss());
        //</Snippet184>
        //<Snippet185>
        sb.AppendLine(TestSupportsDivAlign());
        //</Snippet185>
        //<Snippet186>
        sb.AppendLine(TestSupportsDivNoWrap());
        //</Snippet186>
        //<Snippet187>
        sb.AppendLine(TestSupportsEmptyStringInCookieValue());
        //</Snippet187>
        //<Snippet188>
        sb.AppendLine(TestSupportsFontColor());
        //</Snippet188>
        //<Snippet189>
        sb.AppendLine(TestSupportsFontName());
        //</Snippet189>
        //<Snippet190>
        sb.AppendLine(TestSupportsFontSize());
        //</Snippet190>
        //<Snippet192>
        sb.AppendLine(TestSupportsFrames());
        //</Snippet192>
        //<Snippet193>
        sb.AppendLine(TestSupportsImageSubmit());
        //</Snippet193>
        //<Snippet194>
        sb.AppendLine(TestSupportsIModeSymbols());
        //</Snippet194>
        //<Snippet195>
        sb.AppendLine(TestSupportsInputIStyle());
        //</Snippet195>
        //<Snippet196>
        sb.AppendLine(TestSupportsInputMode());
        //</Snippet196>
        //<Snippet197>
        sb.AppendLine(TestSupportsItalic());
        //</Snippet197>
        //<Snippet198>
        sb.AppendLine(TestSupportsJava());
        //</Snippet198>
        //<Snippet199>
        sb.AppendLine(TestSupportsJPhoneMultiMediaAttributes());
        //</Snippet199>
        //<Snippet200>
        sb.AppendLine(TestSupportsJPhoneSymbols());
        //</Snippet200>
        //<Snippet201>
        sb.AppendLine(TestSupportsQueryStringInFormAction());
        //</Snippet201>
        //<Snippet202>
        sb.AppendLine(TestSupportsRedirectWithCookie());
        //</Snippet202>
        //<Snippet203>
        sb.AppendLine(TestSupportsSelectMultiple());
        //</Snippet203>
        //<Snippet204>
        sb.AppendLine(TestSupportsUncheck());
        //</Snippet204>
        //<Snippet205>
        sb.AppendLine(TestSupportsXmlHttp());
        //</Snippet205>
        //<Snippet206>
        sb.AppendLine(TestTables());
        //</Snippet206>
        //<Snippet207>
        sb.AppendLine(TestType());
        //</Snippet207>
        //<Snippet208>
        sb.AppendLine(TestVBScript());
        //</Snippet208>
        //<Snippet209>
        sb.AppendLine(TestVersion());
        //</Snippet209>
        //<Snippet210>
        sb.AppendLine(TestW3CDomVersion());
        //</Snippet210>
        //<Snippet211>
        sb.AppendLine(TestWin16());
        //</Snippet211>
        //<Snippet212>
        sb.AppendLine(TestWin32());
        //</Snippet212>        
//<Snippet3>
        return sb.ToString().Replace(Environment.NewLine,"<br />");
    }
//</Snippet3>
//<Snippet300>
    String TestActiveXControls() 
    {
        return String.Format("Supports ActiveX controls: {0}",
            bCaps.ActiveXControls); 
    }
//</Snippet300>

    //<Snippet301>
    String TestAdapters()
    {
        return String.Format("Adapter count: {0}", 
            bCaps.Adapters.Count);
    }
    //</Snippet301>
        
    //<Snippet302>
    String TestAOL()
    {
        return String.Format("Is an AOL browser: {0}", 
            bCaps.AOL.ToString());
    }
    //</Snippet302>

    //<Snippet303>
    String TestBackgroundSounds()
    {
        return String.Format("Supports background sounds: {0}",
            bCaps.BackgroundSounds);
    }
    //</Snippet303>
        
    //<Snippet304>
    String TestBeta()
    {
        return String.Format("Is a beta version: {0}", 
            bCaps.Beta);
    }
    //</Snippet304>
        
    //<Snippet305>
    String TestBrowser()
    {
        return String.Format("Browser type: {0}", 
            bCaps.Browser);
    }
    //</Snippet305>

    //<Snippet307>
    String TestBrowsers()
    {
        return String.Format("Number of browsers in dictionary: {0}",
            bCaps.Browsers.Count);
    }
    //</Snippet307>

    //<Snippet319>
    String TestCombineDeck()
    {
        return String.Format("Can combine forms in deck: {0}",
            bCaps.CanCombineFormsInDeck);
    }
    //</Snippet319>

    //<Snippet308>
    String TestCanCall()
    {
        return String.Format("Can initiate voice call: {0}",
            bCaps.CanInitiateVoiceCall);
    }
    //</Snippet308>

    //<Snippet309>
    String TestCanRenderAfter()
    {
        return String.Format("Can render {0}: {1}",
            "after input or select element",
            bCaps.CanRenderAfterInputOrSelectElement);
    }
    //</Snippet309>

    //<Snippet310>
    String TestCanRenderEmpty()
    {
        return String.Format("Can render empty selects: {0}",
            bCaps.CanRenderEmptySelects);
    }
    //</Snippet310>

    //<Snippet311>
    String TestCanRenderInputSelectTogether()
    {
        return String.Format("Can render {0} together: {1}",
            "input and select elements",
            bCaps.CanRenderInputAndSelectElementsTogether);
    }
    //</Snippet311>

    //<Snippet312>
    String TestCanRenderMixedSelects()
    {
        return String.Format("Can render mixed selects: {0}",
            bCaps.CanRenderMixedSelects);
    }
    //</Snippet312>

    //<Snippet313>
    String TestCanRenderOneventPrevTogether()
    {
        return String.Format("Can render {0} together: {1}",
            "OnEvent and Prev elements",
            bCaps.CanRenderOneventAndPrevElementsTogether);
    }
    //</Snippet313>

    //<Snippet314>
    String TestCanRenderPostBackCards()
    {
        return String.Format("Can render postback cards: {0}",
            bCaps.CanRenderPostBackCards);
    }
    //</Snippet314>

    //<Snippet315>
    String TestCanRenderSetvar()
    {
        return String.Format("Can render {0}: {1}",
            "setvar elements with a value of 0",
            bCaps.CanRenderSetvarZeroWithMultiSelectionList);
    }
    //</Snippet315>

    //<Snippet316>
    String TestCanSendMail()
    {
        return String.Format("Can send mail: {0}",
            bCaps.CanSendMail);
    }
    //</Snippet316>

    //<Snippet317>
    String TestCDF()
    {
        return String.Format("Supports {0}: {1}",
            "Channel Definition Format",
            bCaps.CDF.ToString());
    }
    //</Snippet317>

    //<Snippet318>
    String TestCLRVersion()
    {
        return String.Format("CLR version on client: {0}",
            bCaps.ClrVersion);
    }
    //</Snippet318>

    //<Snippet383>
    String TestSupportsCookies()
    {
        return String.Format("Supports cookies: {0}",
            bCaps.Cookies);
    }
    //</Snippet383>

    //<Snippet331>
    String TestIsCrawler()
    {
        return String.Format("Is a crawler: {0}",
            bCaps.Crawler);
    }
    //</Snippet331>
        
    //<Snippet320>
    String TestDefaultSubmitButton()
    {
        return String.Format("Submit button limit: {0}",
            bCaps.DefaultSubmitButtonLimit);
    }
    //</Snippet320>

    //<Snippet321>
    String TestECMAScriptVersion()
    {
        return String.Format("ECMA script version: {0}",
            bCaps.EcmaScriptVersion);
    }
    //</Snippet321>

    //<Snippet392>
    String TestSupportsFrames()
    {
        return String.Format("Supports frames: {0}",
            bCaps.Frames);
    }
    //</Snippet392>

    //<Snippet323>
    String TestGatewayMajorVersion()
    {
        return String.Format("Gateway major version: {0}",
            bCaps.GatewayMajorVersion.ToString());
    }
    //</Snippet323>

    //<Snippet324>
    String TestGatewayMinorVersion()
    {
        return String.Format("Gateway minor version: {0}",
            bCaps.GatewayMinorVersion.ToString());
    }
    //</Snippet324>

    //<Snippet325>
    String TestGatewayVersion()
    {
        return String.Format("Gateway version: {0}",
            bCaps.GatewayVersion.ToString());
    }
    //</Snippet325>

    //<Snippet326>
    String TestHasBackButton()
    {
        return String.Format("Has back button: {0}",
            bCaps.HasBackButton.ToString());
    }
    //</Snippet326>

    //<Snippet327>
    String TestHideRtAlignScrollBars()
    {
        return String.Format("Hide right-aligned {0}: {1}",
            "multi-select scrollbars",
            bCaps.HidesRightAlignedMultiselectScrollbars.ToString());
    }
    //</Snippet327>

    //<Snippet306>
    String TestBrowserID()
    {
        return String.Format("Browser ID: {0}",
            bCaps.Id);
    }
    //</Snippet306>

    //<Snippet328>
    String TestInputType()
    {
        return String.Format("Supported input type: {0}",
            bCaps.InputType);
    }
    //</Snippet328>

    //<Snippet329>
    String TestIsBrowser()
    {
        return String.Format("Is client a given browser: {0}",
            bCaps.IsBrowser("IE").ToString());
    }
    //</Snippet329>

    //<Snippet330>
    String TestIsColor()
    {
        return String.Format("Is color display: {0}",
            bCaps.IsColor.ToString());
    }
    //</Snippet330>

    //<Snippet332>
    String TestIsMobileDevice()
    {
        return String.Format("Is mobile device: {0}",
            bCaps.IsMobileDevice.ToString());
    }
    //</Snippet332>

    //<Snippet398>
    String TestSupportsJava()
    {
        return String.Format("Supports Java: {0}",
            bCaps.JavaApplets.ToString());
    }
    //</Snippet398>

    //<Snippet333>
    String TestJavaScript()
    {
        return String.Format("Supports JavaScript: {0}",
            bCaps.JavaScript.ToString());
    }
    //</Snippet333>

    //<Snippet334>
    String TestJScriptVersion()
    {
        return String.Format("JScript version: {0}",
            bCaps.JScriptVersion.ToString());
    }
    //</Snippet334>

    //<Snippet335>
    String TestMajorVersion()
    {
        return String.Format("Major version of browser: {0}",
            bCaps.MajorVersion.ToString());
    }
    //</Snippet335>

    //<Snippet336>
    String TestMaximumHrefLength()
    {
        return String.Format("Max. href length: {0}",
            bCaps.MaximumHrefLength.ToString());
    }
    //</Snippet336>

    //<Snippet337>
    String TestMaximumRenderedPageSize()
    {
        return String.Format("Max. rendered page size in bytes: {0}",
            bCaps.MaximumRenderedPageSize.ToString());
    }
    //</Snippet337>
        
    //<Snippet338>
    String TestMaximumSoftkeyLabelLength()
    {
        return String.Format("Max. softkey label length: {0}",
            bCaps.MaximumSoftkeyLabelLength.ToString());
    }
    //</Snippet338>
        
    //<Snippet339>
    String TestMinorVersion()
    {
        return String.Format("Minor browser version: {0}",
            bCaps.MinorVersion.ToString());
    }
    //</Snippet339>
        
    //<Snippet340>
    String TestMinorVersionString()
    {
        return String.Format("Minor browser version {0}: {1}",
            "(as string)",
            bCaps.MinorVersionString);
    }
    //</Snippet340>
        
    //<Snippet341>
    String TestMobileDeviceManufacturer()
    {
        return String.Format("Mobile device manufacturer: {0}",
            bCaps.MobileDeviceManufacturer);
    }
    //</Snippet341>

    //<Snippet342>
    String TestMobileDeviceModel()
    {
        return String.Format("Mobile device model: {0}",
            bCaps.MobileDeviceModel);
    }
    //</Snippet342>

    //<Snippet343>
    String TestMSDomVersion()
    { 
        return String.Format("MS DOM version: {0}",
            bCaps.MSDomVersion.ToString());
    }
    //</Snippet343>

    //<Snippet344>
    String TestNumberOfSoftKeys()
    {
        return String.Format("Number of soft keys: {0}",
            bCaps.NumberOfSoftkeys.ToString());
    }
    //</Snippet344>

    //<Snippet345>
    String TestPlatform()
    {
        return String.Format("Platform of client: {0}",
            bCaps.Platform);
    }
    //</Snippet345>

    //<Snippet346>
    String TestPreferredImageMime()
    {
        return String.Format("Preferred image MIME: {0}",
            bCaps.PreferredImageMime);
    }
    //</Snippet346>

    //<Snippet347>
    String TestPreferredRenderingMime()
    {
        return String.Format("Preferred rendering MIME: {0}",
            bCaps.PreferredRenderingMime);
    }
    //</Snippet347>

    //<Snippet348>
    String TestPreferredRenderingType()
    {
        return String.Format("Preferred rendering type: {0}",
            bCaps.PreferredRenderingType);
    }
    //</Snippet348>

    //<Snippet349>
    String TestPreferredRequestEncoding()
    {
        return String.Format("Preferred request encoding: {0}",
            bCaps.PreferredRequestEncoding);
    }
    //</Snippet349>

    //<Snippet350>
    String TestPreferredResponseEncoding()
    {
        return String.Format("Preferred response encoding: {0}",
            bCaps.PreferredResponseEncoding);
    }
    //</Snippet350>

    //<Snippet351>
    String TestRenderBreakBeforeWmlSelectAndInput()
    {
        return String.Format("Renders {0}: {1}",
            "break before WML select/input",
            bCaps.RendersBreakBeforeWmlSelectAndInput.ToString());
    }
    //</Snippet351>

    //<Snippet352>
    String TestRendersBreaksAfterHtmlLists()
    {
        return String.Format("Renders breaks after HTML lists: {0}",
            bCaps.RendersBreaksAfterHtmlLists);
    }
    //</Snippet352>

    //<Snippet353>
    String TestRendersBreaksAfterWmlAnchor()
    {
        return String.Format("Renders breaks after Wml anchor: {0}",
            bCaps.RendersBreaksAfterWmlAnchor);
    }
    //</Snippet353>

    //<Snippet354>
    String TestRendersBreaksAfterWmlInput()
    {
        return String.Format("Renders breaks after Wml input: {0}",
            bCaps.RendersBreaksAfterWmlInput);
    }
    //</Snippet354>

    //<Snippet355>
    String TestRendersWmlDoAcceptsInline()
    {
        return String.Format("Renders Wml do accepts inline: {0}",
            bCaps.RendersWmlDoAcceptsInline);
    }
    //</Snippet355>

    //<Snippet357>
    String TestRendersWmlSelectsAsMenuCards()
    {
        return String.Format("Renders {0}: {1}",
            "break before WML select/input",
            bCaps.RendersWmlSelectsAsMenuCards);
    }
    //</Snippet357>

    //<Snippet358>
    String TestRequiredMetaTagNameValue()
    {
        return String.Format("Required meta tag name value: {0}",
            bCaps.RequiredMetaTagNameValue);
    }
    //</Snippet358>

    //<Snippet359>
    String TestRequiresAttributeColonSubstitution()
    {
        return String.Format("Requires {0}: {1}",
            "break before WML select/input",
            bCaps.RequiresAttributeColonSubstitution);
    }
    //</Snippet359>

    //<Snippet360>
    String TestRequiresContentTypeMetaTag()
    {
        return String.Format("Requires content type meta tag: {0}",
            bCaps.RequiresContentTypeMetaTag);
    }
    //</Snippet360>

    //<Snippet361>
    String TestRequiresControlStateInSession()
    {
        return String.Format("Requires {0}: {1}",
            "control state in session",
            bCaps.RequiresControlStateInSession);
    }
    //</Snippet361>

    //<Snippet362>
    String TestRequiresDBCSCharacter()
    {
        return String.Format("Requires DBCS character: {0}",
            bCaps.RequiresDBCSCharacter);
    }
    //</Snippet362>
        
    //<Snippet363>
    String TestRequiresHtmlAdaptiveErrorReporting()
    {
        return String.Format("Requires HTML adaptive error reporting: {0}",
            bCaps.RequiresHtmlAdaptiveErrorReporting);
    }
    //</Snippet363>

    //<Snippet364>
    String TestRequiresLeadingPageBreak()
    {
        return String.Format("Requires leading page break: {0}",
            bCaps.RequiresLeadingPageBreak);
    }
    //</Snippet364>

    //<Snippet365>
    String TestRequiresNoBreakInFormatting()
    {
        return String.Format("Requires no break in formatting: {0}",
            bCaps.RequiresNoBreakInFormatting);
    }
    //</Snippet365>

    //<Snippet366>
    String TestRequiresOutputOptimization()
    {
        return String.Format("Requires output optimization: {0}",
            bCaps.RequiresOutputOptimization);
    }
    //</Snippet366>

    //<Snippet367>
    String TestRequiresPhoneNumberAsPlainText()
    {
        return String.Format("Requires phone number as text: {0}",
            bCaps.RequiresPhoneNumbersAsPlainText);
    }
    //</Snippet367>

    //<Snippet368>
    String TestRequiresSpecialViewStateEncoding()
    {
        return String.Format("Requires special viewstate encoding: {0}",
            bCaps.RequiresSpecialViewStateEncoding);
    }
    //</Snippet368>

    //<Snippet369>
    String TestRequiresUniqueFilePathSuffix()
    {
        return String.Format("Requires unique file path suffix: {0}",
            bCaps.RequiresUniqueFilePathSuffix);
    }
    //</Snippet369>

    //<Snippet370>
    String TestRequiresUniqueHtmlCheckboxNames()
    {
        return String.Format("Requires unique HTML checkbox names: {0}",
            bCaps.RequiresUniqueHtmlCheckboxNames);
    }
    //</Snippet370>

    //<Snippet371>
    String TestRequiresUniqueHtmlInputNames()
    {
        return String.Format("Requires unique HTML input names: {0}",
            bCaps.RequiresUniqueHtmlInputNames);
    }
    //</Snippet371>

    //<Snippet372>
    String TestRequiresUrlEncodedPostfieldValues()
    {
        return String.Format("Requires URL encoded postfield values: {0}",
            bCaps.RequiresUrlEncodedPostfieldValues);
    }
    //</Snippet372>

    //<Snippet373>
    String TestScreenBitDepth()
    {
        return String.Format("Screen bit depth: {0}",
            bCaps.ScreenBitDepth);
    }
    //</Snippet373>

    //<Snippet374>
    String TestScreenCharactersHeight()
    {
        return String.Format("Screen height in character lines: {0}",
            bCaps.ScreenCharactersHeight);
    }
    //</Snippet374>

    //<Snippet375>
    String TestScreenCharactersWidth()
    {
        return String.Format("Screen width in characters: {0}",
            bCaps.ScreenCharactersWidth);
    }
    //</Snippet375>

    //<Snippet376>
    String TestScreenPixelsHeight()
    {
        return String.Format("Screen height in pixels: {0}",
            bCaps.ScreenPixelsHeight);
    }
    //</Snippet376>

    //<Snippet377>
    String TestScreenPixelsWidth()
    {
        return String.Format("Screen width in pixels: {0}",
            bCaps.ScreenPixelsWidth);
    }
    //</Snippet377>

    //<Snippet378>
    String TestScreenAccesskeyAttribute()
    {
        return String.Format("Supports ACCESSKEY: {0}",
            bCaps.SupportsAccesskeyAttribute);
    }
    //</Snippet378>

    //<Snippet379>
    String TestSupportsBodyColor()
    {
        return String.Format("Supports body color: {0}",
            bCaps.SupportsBodyColor);
    }
    //</Snippet379>

    //<Snippet380>
    String TestSupportsBold()
    {
        return String.Format("Supports bold: {0}",
            bCaps.SupportsBold);
    }
    //</Snippet380>

    //<Snippet381>
    String TestSupportsCacheControlMetaTag()
    {
        return String.Format("Supports cache-control meta tag: {0}",
            bCaps.SupportsCacheControlMetaTag);
    }
    //</Snippet381>

    //<Snippet382>
    String TestSupportsCallback()
    {
        return String.Format("Supports callback: {0}",
            bCaps.SupportsCallback);
    }
    //</Snippet382>

    //<Snippet384>
    String TestSupportsCss()
    {
        return String.Format("Supports CSS: {0}",
            bCaps.SupportsCss);
    }
    //</Snippet384>

    //<Snippet385>
    String TestSupportsDivAlign()
    {
        return String.Format("Supports DIV align: {0}",
            bCaps.SupportsDivAlign);
    }
    //</Snippet385>

    //<Snippet386>
    String TestSupportsDivNoWrap()
    {
        return String.Format("Supports DIV nowrap: {0}",
            bCaps.SupportsDivNoWrap);
    }
    //</Snippet386>

    //<Snippet387>
    String TestSupportsEmptyStringInCookieValue()
    {
        return String.Format("Supports empty string in cookie value: {0}",
            bCaps.SupportsEmptyStringInCookieValue);
    }
    //</Snippet387>

    //<Snippet388>
    String TestSupportsFontColor()
    {
        return String.Format("Supports font color: {0}",
            bCaps.SupportsFontColor);
    }
    //</Snippet388>

    //<Snippet389>
    String TestSupportsFontName()
    {
        return String.Format("Supports font name: {0}",
            bCaps.SupportsFontName);
    }
    //</Snippet389>

    //<Snippet390>
    String TestSupportsFontSize()
    {
        return String.Format("Supports font size: {0}",
            bCaps.SupportsFontSize);
    }
    //</Snippet390>

    //<Snippet393>
    String TestSupportsImageSubmit()
    {
        return String.Format("Supports image submit: {0}",
            bCaps.SupportsImageSubmit);
    }
    //</Snippet393>

    //<Snippet394>
    String TestSupportsIModeSymbols()
    {
        return String.Format("Supports i-mode symbols: {0}",
            bCaps.SupportsIModeSymbols);
    }
    //</Snippet394>

    //<Snippet395>
    String TestSupportsInputIStyle()
    {
        return String.Format("Supports input istyle attribute: {0}",
            bCaps.SupportsInputIStyle);
    }
    //</Snippet395>

    //<Snippet396>
    String TestSupportsInputMode()
    {
        return String.Format("Supports input mode: {0}",
            bCaps.SupportsInputMode);
    }
    //</Snippet396>

    //<Snippet397>
    String TestSupportsItalic()
    {
        return String.Format("Supports italics: {0}",
            bCaps.SupportsItalic);
    }
    //</Snippet397>

    //<Snippet399>
    String TestSupportsJPhoneMultiMediaAttributes()
    {
        return String.Format("Supports JPhone multimedia attributes: {0}",
            bCaps.SupportsJPhoneMultiMediaAttributes);
    }
    //</Snippet399>

    //<Snippet400>
    String TestSupportsJPhoneSymbols()
    {
        return String.Format("Supports JPhone picture symbols: {0}",
            bCaps.SupportsJPhoneSymbols);
    }
    //</Snippet400>

    //<Snippet401>
    String TestSupportsQueryStringInFormAction()
    {
        return String.Format("Supports querystring in form action: {0}",
            bCaps.SupportsQueryStringInFormAction);
    }
    //</Snippet401>

    //<Snippet402>
    String TestSupportsRedirectWithCookie()
    {
        return String.Format("Supports redirect with cookie: {0}",
            bCaps.SupportsRedirectWithCookie);
    }
    //</Snippet402>

    //<Snippet403>
    String TestSupportsSelectMultiple()
    {
        return String.Format("Supports select multiple: {0}",
            bCaps.SupportsSelectMultiple);
    }
    //</Snippet403>

    //<Snippet404>
    String TestSupportsUncheck()
    {
        return String.Format("Supports uncheck: {0}",
            bCaps.SupportsUncheck);
    }
    //</Snippet404>

    //<Snippet405>
    String TestSupportsXmlHttp()
    {
        return String.Format("Supports receiving XML over HTTP: {0}",
            bCaps.SupportsXmlHttp);
    }
    //</Snippet405>

    //<Snippet406>
    String TestTables()
    {
        return String.Format("Supports tables: {0}",
            bCaps.Tables);
    }
    //</Snippet406>
    
    //<Snippet407>
    String TestType()
    {
        return String.Format("Gets the browser name/version: {0}",
            bCaps.Type);
    }
    //</Snippet407>

    //<Snippet408>
    String TestVBScript()
    {
        return String.Format("Supports VBScript: {0}",
            bCaps.VBScript);
    }
    //</Snippet408>

    //<Snippet409>
    String TestVersion()
    {
        string dVer = bCaps.MajorVersion + "." + bCaps.MinorVersion;
        if (Double.Parse(dVer) > 5.01)
        {
            return String.Format("Uplevel version: {0}",
                bCaps.Version);
        }
        else
        {
            return String.Format("Old version: {0}",
                bCaps.Version);
        }
    }
    //</Snippet409>

    //<Snippet410>
    String TestW3CDomVersion()
    {
        return String.Format("W3C DOM version: {0}",
            bCaps.W3CDomVersion);
    }
    //</Snippet410>

    //<Snippet411>
    String TestWin16()
    {
        return String.Format("Is Win16-based computer: {0}",
            bCaps.Win16);
    }
    //</Snippet411>

    //<Snippet412>
    String TestWin32()
    {
        return String.Format("Is Win32-based computer: {0}",
            bCaps.Win32);
    }
    //</Snippet412>
// <Snippet4>        
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        The current browser has the following capabilities:
        <br />
        <asp:Label ID="OutputLabel" runat="server"></asp:Label>
    </div>
    </form>
</body>
</html>

Remarks

HttpCapabilitiesBase is the base class from which the HttpBrowserCapabilities class is derived. HttpCapabilitiesBase offers a large number of read-only properties that provide type-safe access to a browser's capabilities dictionary. You can access the HttpBrowserCapabilities class through the Browser property that is exposed by the ASP.NET HttpRequest.Browser property.

Constructors

HttpCapabilitiesBase()

Creates a new instance of the HttpCapabilitiesBase class.

Properties

ActiveXControls

Gets a value indicating whether the browser supports ActiveX controls.

Adapters

Returns the collection of available control adapters.

AOL

Gets a value indicating whether the client is an America Online (AOL) browser.

BackgroundSounds

Gets a value indicating whether the browser supports playing background sounds using the <bgsounds> HTML element.

Beta

Gets a value indicating whether the browser is a beta version.

Browser

Gets the browser string (if any) that was sent by the browser in the User-Agent request header.

BrowserCapabilitiesProvider

Gets or sets the HttpCapabilitiesProvider object for the current browser.

Browsers

Gets an ArrayList of the browsers in the Capabilities dictionary.

CanCombineFormsInDeck

Gets a value indicating whether the browser supports decks that contain multiple forms, such as separate cards.

CanInitiateVoiceCall

Gets a value indicating whether the browser device is capable of initiating a voice call.

CanRenderAfterInputOrSelectElement

Gets a value indicating whether the browser supports page content following WML <select> or <input> elements.

CanRenderEmptySelects

Gets a value indicating whether the browser supports empty HTML <select> elements.

CanRenderInputAndSelectElementsTogether

Gets a value indicating whether the browser supports WML INPUT and SELECT elements together on the same card.

CanRenderMixedSelects

Gets a value indicating whether the browser supports WML <option> elements that specify both onpick and value attributes.

CanRenderOneventAndPrevElementsTogether

Gets a value indicating whether the browser supports WML <onevent> and <prev> elements that coexist within the same WML card.

CanRenderPostBackCards

Gets a value indicating whether the browser supports WML cards for postback.

CanRenderSetvarZeroWithMultiSelectionList

Gets a value indicating whether the browser supports WML <setvar> elements with a value attribute of 0.

CanSendMail

Gets a value indicating whether the browser supports sending email by using the HTML <mailto> element for displaying electronic addresses.

Capabilities

Used internally to get the defined capabilities of the browser.

CDF

Gets a value indicating whether the browser supports Channel Definition Format (CDF) for webcasting.

ClrVersion

Gets the version of the .NET Framework that is installed on the client.

Cookies

Gets a value indicating whether the browser supports cookies.

Crawler

Gets a value indicating whether the browser is a search engine Web crawler.

DefaultSubmitButtonLimit

Returns the maximum number of Submit buttons that are allowed for a form.

EcmaScriptVersion

Gets the version number of ECMAScript that the browser supports.

Frames

Gets a value indicating whether the browser supports HTML frames.

GatewayMajorVersion

Gets the major version number of the wireless gateway used to access the server, if known.

GatewayMinorVersion

Gets the minor version number of the wireless gateway used to access the server, if known.

GatewayVersion

Gets the version of the wireless gateway used to access the server, if known.

HasBackButton

Gets a value indicating whether the browser has a dedicated Back button.

HidesRightAlignedMultiselectScrollbars

Gets a value indicating whether the scrollbar of an HTML <select multiple> element with an align attribute value of right is obscured upon rendering.

HtmlTextWriter

Gets or sets the fully qualified class name of the HtmlTextWriter to use.

Id

Gets the internal identifier of the browser as specified in the browser definition file.

InputType

Returns the type of input supported by browser.

IsColor

Gets a value indicating whether the browser has a color display.

IsMobileDevice

Gets a value indicating whether the browser is a recognized mobile device.

Item[String]

Gets the value of the specified browser capability. In C#, this property is the indexer for the class.

JavaApplets

Gets a value indicating whether the browser supports Java.

JavaScript
Obsolete.

Gets a value indicating whether the browser supports JavaScript.

JScriptVersion

Gets the JScript version that the browser supports.

MajorVersion

Gets the major (integer) version number of the browser.

MaximumHrefLength

Gets the maximum length in characters for the href attribute of an HTML <a> (anchor) element.

MaximumRenderedPageSize

Gets the maximum length of the page, in bytes, which the browser can display.

MaximumSoftkeyLabelLength

Returns the maximum length of the text that a soft-key label can display.

MinorVersion

Gets the minor (that is, decimal) version number of the browser.

MinorVersionString

Gets the minor (decimal) version number of the browser as a string.

MobileDeviceManufacturer

Returns the name of the manufacturer of a mobile device, if known.

MobileDeviceModel

Gets the model name of a mobile device, if known.

MSDomVersion

Gets the version of Microsoft HTML (MSHTML) Document Object Model (DOM) that the browser supports.

NumberOfSoftkeys

Returns the number of soft keys on a mobile device.

Platform

Gets the name of the platform that the client uses, if it is known.

PreferredImageMime

Returns the MIME type of the type of image content typically preferred by the browser.

PreferredRenderingMime

Returns the MIME type of the type of content typically preferred by the browser.

PreferredRenderingType

Gets the general name for the type of content that the browser prefers.

PreferredRequestEncoding

Gets the request encoding preferred by the browser.

PreferredResponseEncoding

Gets the response encoding preferred by the browser.

RendersBreakBeforeWmlSelectAndInput

Gets a value indicating whether the browser renders a line break before <select> or <input> elements.

RendersBreaksAfterHtmlLists

Gets a value indicating whether the browser renders a line break after list-item elements.

RendersBreaksAfterWmlAnchor

Gets a value indicating whether the browser renders a line break after a stand-alone HTML <a> (anchor) element.

RendersBreaksAfterWmlInput

Gets a value indicating whether the browser renders a line break after an HTML <input> element.

RendersWmlDoAcceptsInline

Gets a value indicating whether the mobile-device browser renders a WML do-based form accept construct as an inline button rather than as a soft key.

RendersWmlSelectsAsMenuCards

Gets a value indicating whether the browser renders WML <select> elements as menu cards, rather than as a combo box.

RequiredMetaTagNameValue

Used internally to produce a meta-tag required by some browsers.

RequiresAttributeColonSubstitution

Gets a value indicating whether the browser requires colons in element attribute values to be substituted with a different character.

RequiresContentTypeMetaTag

Gets a value indicating whether the browser requires an HTML <meta> element for which the content-type attribute is specified.

RequiresControlStateInSession

Gets a value indicating whether the browser requires control state to be maintained in sessions.

RequiresDBCSCharacter

Gets a value indicating whether the browser requires a double-byte character set.

RequiresHtmlAdaptiveErrorReporting

Gets a value indicating whether the browser requires nonstandard error messages.

RequiresLeadingPageBreak

Gets a value indicating whether the browser requires the first element in the body of a Web page to be an HTML <br> element.

RequiresNoBreakInFormatting

Gets a value indicating whether the browser does not support HTML <br> elements to format line breaks.

RequiresOutputOptimization

Gets a value indicating whether the browser requires pages to contain a size-optimized form of markup language tags.

RequiresPhoneNumbersAsPlainText

Gets a value indicating whether the browser supports phone dialing based on plain text, or whether it requires special markup.

RequiresSpecialViewStateEncoding

Gets a value indicating whether the browser requires VIEWSTATE values to be specially encoded.

RequiresUniqueFilePathSuffix

Gets a value indicating whether the browser requires unique form-action URLs.

RequiresUniqueHtmlCheckboxNames

Gets a value indicating whether the browser requires unique name attribute values of multiple HTML <input type="checkbox"> elements.

RequiresUniqueHtmlInputNames

Gets a value indicating whether the browser requires unique name attribute values of multiple HTML <input> elements.

RequiresUrlEncodedPostfieldValues

Gets a value indicating whether postback data sent by the browser will be UrlEncoded.

ScreenBitDepth

Returns the depth of the display, in bits per pixel.

ScreenCharactersHeight

Returns the approximate height of the display, in character lines.

ScreenCharactersWidth

Returns the approximate width of the display, in characters.

ScreenPixelsHeight

Returns the approximate height of the display, in pixels.

ScreenPixelsWidth

Returns the approximate width of the display, in pixels.

SupportsAccesskeyAttribute

Gets a value indicating whether the browser supports the ACCESSKEY attribute of HTML <a> (anchor) and <input> elements.

SupportsBodyColor

Gets a value indicating whether the browser supports the bgcolor attribute of the HTML <body> element.

SupportsBold

Gets a value indicating whether the browser supports HTML <b> elements to format bold text.

SupportsCacheControlMetaTag

Gets a value indicating whether the browser supports the cache-control value for the http-equiv attribute of HTML <meta> elements.

SupportsCallback

Gets a value indicating whether the browser supports callback scripts.

SupportsCss

Gets a value indicating whether the browser supports Cascading Style Sheets (CSS).

SupportsDivAlign

Gets a value indicating whether the browser supports the align attribute of HTML <div> elements.

SupportsDivNoWrap

Gets a value indicating whether the browser supports the nowrap attribute of HTML <div> elements.

SupportsEmptyStringInCookieValue

Gets a value indicating whether the browser supports empty (null) strings in cookie values.

SupportsFontColor

Gets a value indicating whether the browser supports the color attribute of HTML <font> elements.

SupportsFontName

Gets a value indicating whether the browser supports the name attribute of HTML <font> elements.

SupportsFontSize

Gets a value indicating whether the browser supports the size attribute of HTML <font> elements.

SupportsImageSubmit

Gets a value indicating whether the browser supports using a custom image in place of a standard form Submit button.

SupportsIModeSymbols

Gets a value indicating whether the browser supports i-mode symbols.

SupportsInputIStyle

Gets a value indicating whether the browser supports the istyle attribute of HTML <input> elements.

SupportsInputMode

Gets a value indicating whether the browser supports the mode attribute of HTML <input> elements.

SupportsItalic

Gets a value indicating whether the browser supports HTML <i> elements to format italic text.

SupportsJPhoneMultiMediaAttributes

Gets a value indicating whether the browser supports J-Phone multimedia attributes.

SupportsJPhoneSymbols

Gets a value indicating whether the browser supports J-Phone-specific picture symbols.

SupportsQueryStringInFormAction

Gets a value indicating whether the browser supports a query string in the action attribute value of HTML <form> elements.

SupportsRedirectWithCookie

Gets a value indicating whether the browser supports cookies on redirection.

SupportsSelectMultiple

Gets a value indicating whether the browser supports the multiple attribute of HTML <select> elements.

SupportsUncheck

Gets a value indicating whether the clearing of a checked HTML <input type=checkbox> element is reflected in postback data.

SupportsXmlHttp

Gets a value indicating whether the browser supports receiving XML over HTTP.

Tables

Gets a value indicating whether the browser supports HTML <table> elements.

TagWriter

Used internally to get the type of the object that is used to write tags for the browser.

Type

Gets the name and major (integer) version number of the browser.

UseOptimizedCacheKey

Used internally to get a value indicating whether to use an optimized cache key.

VBScript

Gets a value indicating whether the browser supports Visual Basic Scripting edition (VBScript).

Version

Gets the full version number (integer and decimal) of the browser as a string.

W3CDomVersion

Gets the version of the World Wide Web Consortium (W3C) XML Document Object Model (DOM) that the browser supports.

Win16

Gets a value indicating whether the client is a Win16-based computer.

Win32

Gets a value indicating whether the client is a Win32-based computer.

Methods

AddBrowser(String)

Used internally to add an entry to the internal collection of browsers for which capabilities are recognized.

CreateHtmlTextWriter(TextWriter)

Creates a new instance of the HtmlTextWriter to be used.

DisableOptimizedCacheKey()

Used internally to disable use of an optimized cache key.

Equals(Object)

Determines whether the specified object is equal to the current object.

(Inherited from Object)
GetClrVersions()

Returns all versions of the .NET Framework common language runtime that are installed on the client.

GetConfigCapabilities(String, HttpRequest)

Used internally to return an instance of HttpCapabilitiesBase representing the browser that generated the specified HttpRequest.

GetHashCode()

Serves as the default hash function.

(Inherited from Object)
GetType()

Gets the Type of the current instance.

(Inherited from Object)
Init()

Used internally to initialize an internal set of values.

IsBrowser(String)

Gets a value indicating whether the client browser is the same as the specified browser.

MemberwiseClone()

Creates a shallow copy of the current Object.

(Inherited from Object)
ToString()

Returns a string that represents the current object.

(Inherited from Object)

Explicit Interface Implementations

IFilterResolutionService.CompareFilters(String, String)

Used internally to compare filters.

IFilterResolutionService.EvaluateFilter(String)

Used internally to evaluate a filter.

Applies to

Producto Versiones
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1