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HttpCapabilitiesBase.SupportsEmptyStringInCookieValue Eigenschaft

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Definition

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

Ruft einen Wert ab, der angibt, ob der Browser leere (null) Zeichenfolgen in Cookiewerten unterstützt.

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

Eigenschaftswert

Boolean

true, wenn der Browser leere (null) Zeichenfolgen in Cookiewerten unterstützt, andernfalls false. Der Standardwert ist false.

Beispiele

Im folgenden Codebeispiel wird gezeigt, wie Ermittelt wird, ob der Browser leere (null) Zeichenfolgen in Cookiewerten 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).SupportsFontColor)
        {
            labelText = "Browser supports empty(null) strings in cookie values.";
        }
        else
        {
            labelText = "Browser does not support empty(null) strings in cookie values.";
        }

        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)).SupportsFontColor Then
            labelText = "Browser supports empty(null) strings in cookie values."
        Else
            labelText = "Browser does not support empty(null) strings in cookie values."
        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: