HttpCapabilitiesBase.CanRenderSetvarZeroWithMultiSelectionList 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得值,指出示瀏覽器是否支援 <setvar>
屬性為 0 的 WML value
項目。
public:
virtual property bool CanRenderSetvarZeroWithMultiSelectionList { bool get(); };
public virtual bool CanRenderSetvarZeroWithMultiSelectionList { get; }
member this.CanRenderSetvarZeroWithMultiSelectionList : bool
Public Overridable ReadOnly Property CanRenderSetvarZeroWithMultiSelectionList As Boolean
屬性值
如果瀏覽器支援 true
屬性為 <setvar>
的 WML value
項目,則為 0
,否則為 false
。 預設為 true
。
範例
下列程式碼範例示範如何判斷瀏覽器是否支援屬性為 0 的 WML <setvar>
專案 value
。
<%@ 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>
備註
屬性 CanRenderSetvarZeroWithMultiSelectionList 僅適用于 WML 相容的行動裝置。
如果 false
為 ,則具有 屬性的 value
0
HTML <setvar>
元素將不會正確顯示。