use Element for browserCaps (ASP.NET Settings Schema)
Specifies the HTTP request string that are used to parse the browser capability information that is stored in the filter and case elements.
.gif) Note |
|---|
Using the browserCaps element in the Web.config file to define browsers is deprecated in the .NET Framework 2.0 but is still supported. The data in this element is merged with the information from the browser definition files (.browser) that are located in the machine-level %SystemRoot%\Microsoft.NET\Framework\version\CONFIG\Browsers folder and any existing application-level App_Browsers folders. For more information, see Browser Definition File Schema (browsers Element). |
<use
var="server variable"
as="variableName"
/>
Attributes and Elements
The following sections describe attributes, child elements, and parent elements.
Attributes
| Attribute | Description |
|---|---|
var |
Optional String attribute. Specifies the Microsoft Internet Information Services (IIS) server variable that is parsed to extract browser capability information. The default is "HTTP_USER_AGENT". |
as |
Optional String attribute. Specifies a name that can be used to reference the server variable in subsequent regular expressions. |
Child Elements
None.
Parent Elements
| Element | Description |
|---|---|
configuration |
The required root element in every configuration file that is used by the common language runtime and the .NET Framework applications. |
system.web |
Specifies the root element for the ASP.NET configuration settings in a configuration file and contains configuration elements that configure ASP.NET Web applications and control how the applications behave. |
browserCaps |
Specifies the settings of supported browsers and the capabilities for the browsers. This element can be updated as required to specify new browsers and capabilities. For a list of valid browser properties, see HttpBrowserCapabilities. |
Remarks
The use element specifies the HTTP request string that is used to parse the browser capability information that is stored in the filter and case elements.
Default Configuration
In the .NET Framework version 2.0, the use element is not configured because the browserCaps element is deprecated in favor of using browser definition files to specify supported browsers and the capabilities for the browsers. For more information, see Browser Definition File Schema (browsers Element).
In the .NET Framework versions 1.0 and 1.1, the default use elements that are configured in the Machine.config file are too numerous to list here. For updates to the browser data, go to cyScape, Inc. at http://www.cyscape.com/browsercaps. Periodic device updates replace this browser capabilities section.
Example
The following code example demonstrates how to specify that the IIS HTTP_USER_AGENT server variable is the source of the browser capabilities information.
<use var="HTTP_USER_AGENT">
Element Information
Configuration section handler |
|
Configuration member |
|
Configurable locations |
Machine.config Root-level Web.config Application-level Web.config Virtual or physical directory–level Web.config |
Requirements |
Microsoft Internet Information Services (IIS) version 5.0, 5.1, or 6.0 The .NET Framework version 2.0 (deprecated), 1.1, or 1.0 Microsoft Visual Studio 2003 or Visual Studio 2005 |
See Also
Tasks
How to: Detect Browser Types in ASP.NET Web Pages
How to: Configure Specific Directories Using Location Settings
How to: Lock ASP.NET Configuration Settings
Reference
browserCaps Element (ASP.NET Settings Schema)
system.web Element (ASP.NET Settings Schema)
configuration Element (General Settings Schema)
filter Element for browserCaps (ASP.NET Settings Schema)
result Element for browserCaps (ASP.NET Settings Schema)
Browser Definition File Schema (browsers Element)
System.Configuration
System.Web.Configuration
HttpCapabilitiesSectionHandler
Browsers
Concepts
ASP.NET Web Server Controls and Browser Capabilities
ASP.NET Configuration File Hierarchy and Inheritance
Securing ASP.NET Configuration
ASP.NET Configuration Scenarios
Other Resources
General Configuration Settings (ASP.NET)
ASP.NET Configuration Settings
Configuring ASP.NET Applications
ASP.NET Configuration API