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HttpCapabilitiesBase.SupportsQueryStringInFormAction Property

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

Namespace:  System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)

'Declaration
Public Overridable ReadOnly Property SupportsQueryStringInFormAction As Boolean
'Usage
Dim instance As HttpCapabilitiesBase 
Dim value As Boolean 

value = instance.SupportsQueryStringInFormAction

Property Value

Type: System.Boolean
true if the browser supports a query string in the action attribute value of HTML <form> elements; otherwise, false. The default is true.

If false, query string parameters are sent, in postback data, as HTML <input> elements with the type attributes set to hidden.

The following code example shows how to determine whether the browser supports a query string in the value for the action attribute of HTML <form> elements.

<%@ 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)).SupportsQueryStringInFormAction Then
            labelText = "Browser supports a query string in the value for the ACTION attribute of HTML FORM elements." 
        Else
            labelText = "Browser does not support a query string in the value for the ACTION attribute of HTML FORM elements." 
        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>

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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