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