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HttpCapabilitiesBase.SupportsImageSubmit Eigenschaft

  • Referenz

Definition

Namespace:
System.Web.Configuration
Assembly:
System.Web.dll

Ruft einen Wert ab, der angibt, ob der Browser die Verwendung eines benutzerdefinierten Bildes statt der Standardformularschaltfläche Absenden unterstützt.

public:
 virtual property bool SupportsImageSubmit { bool get(); };
public virtual bool SupportsImageSubmit { get; }
member this.SupportsImageSubmit : bool
Public Overridable ReadOnly Property SupportsImageSubmit As Boolean

Eigenschaftswert

Boolean

true, wenn der Browser die Verwendung eines benutzerdefinierten Bildes statt der Standardformularschaltfläche Absenden unterstützt, andernfalls false. Der Standardwert ist false.

Beispiele

Im folgenden Codebeispiel wird gezeigt, wie Sie ermitteln, ob der Browser anstelle einer Standardformular-Absendenschaltfläche ein benutzerdefiniertes Bild unterstützt.

<%@ 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">
    void Page_Load(Object Sender, EventArgs e)
    {
        CheckBrowserCaps();
    }

    void CheckBrowserCaps()
    {
        String labelText = "";
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).SupportsImageSubmit)
        {
            labelText = "Browser supports using a custom image in place of a standard form submit button.";
        }
        else
        {
            labelText = "Browser does not support using a custom image in place of a standard form submit button.";
        }

        Label1.Text = labelText;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form runat="server" id="form1">
        <div>
            Browser Capabilities:
            <p/><asp:Label ID="Label1" Runat="server" />
        </div>
    </form>
</body>
</html>

<%@ page language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        CheckBrowserCaps()
    End Sub

    Function CheckBrowserCaps()

        Dim labelText As String = ""
        Dim myBrowserCaps As System.Web.HttpBrowserCapabilities = Request.Browser
        If (CType(myBrowserCaps, System.Web.Configuration.HttpCapabilitiesBase)).SupportsImageSubmit Then
            labelText = "Browser supports using a custom image in place of a standard form submit button."
        Else
            labelText = "Browser does not support using a custom image in place of a standard form submit button."
        End If

        Label1.Text = labelText

    End Function 'CheckBrowserCaps
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form runat="server" id="form1">
        <div>
            Browser Capabilities:
            <p/><asp:Label ID="Label1" Runat="server" />
        </div>
    </form>
</body>
</html>

Gilt für