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HttpCapabilitiesBase.CanRenderEmptySelects Property

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

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

public virtual bool CanRenderEmptySelects { get; }
/** @property */
public boolean get_CanRenderEmptySelects ()

public function get CanRenderEmptySelects () : boolean

Not applicable.

Property Value

true if the browser supports empty HTML <select> elements; otherwise, false. The default is true.

The following code example shows how to determine whether the browser supports empty HTML <select> elements.

<%@ 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).CanRenderEmptySelects)
        {
            labelText = "Browser supports empty select markup language statements.";
        }
        else
        {
            labelText = "Browser does not support empty select markup language statements.";
        }

        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="VJ#"%>

<!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();
} //Page_Load

void CheckBrowserCaps()
{
    String labelText = "";
    System.Web.HttpBrowserCapabilities myBrowserCaps = 
        get_Request().get_Browser();
    if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).
        get_CanRenderEmptySelects()) {
        labelText = "Browser supports empty select markup language statements.";
    }
    else {
    labelText = "Browser does not support empty select markup"
        +" language statements.";
    }
    Label1.set_Text(labelText);
} //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 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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