HttpCapabilitiesBase.CanRenderSetvarZeroWithMultiSelectionList 属性

定义

获取一个值,该值指示浏览器是否支持 value 特性为 0 的 WML <setvar> 元素。Gets a value indicating whether the browser supports WML <setvar> elements with a value attribute of 0.

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

属性值

Boolean

如果浏览器支持 true 特性为 <setvar> 的 WML value 元素,则为 0;否则为 falsetrue if the browser supports WML <setvar> elements with a value attribute of 0; otherwise, false. 默认值为 trueThe default is true.

示例

下面的代码示例演示如何确定浏览器是否支持特性为 <setvar> 0 的 WML 元素 valueThe following code example shows how to determine whether the browser supports WML <setvar> elements with a value attribute of 0.

<%@ 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).CanRenderSetvarZeroWithMultiSelectionList)
        {
            labelText = "Browser supports HTML SETVAR elements whose VALUE attribute is 0.";
        }
        else
        {
            labelText = "Browser does not support HTML SETVAR elements whose VALUE attribute is 0.";
        }

        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)).CanRenderSetvarZeroWithMultiSelectionList Then
            labelText = "Browser supports HTML SETVAR elements whose VALUE attribute is 0."
        Else
            labelText = "Browser does not support HTML SETVAR elements whose VALUE attribute is 0."
        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>

注解

CanRenderSetvarZeroWithMultiSelectionList 属性仅适用于 WML 兼容的移动设备。The CanRenderSetvarZeroWithMultiSelectionList property applies only to WML-compatible mobile devices.

如果为 false ,则属性为 <setvar> 的 HTML 元素 value 0 将不会正确显示。If false, HTML <setvar> elements with a value attribute of 0 will not display correctly.

适用于