HttpCapabilitiesBase.RequiresLeadingPageBreak 屬性
定義
重要
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取得值，指出瀏覽器是否需要網頁主體的第一個項目為 HTML <br> 項目。
public:
virtual property bool RequiresLeadingPageBreak { bool get(); };public virtual bool RequiresLeadingPageBreak { get; }member this.RequiresLeadingPageBreak : boolPublic Overridable ReadOnly Property RequiresLeadingPageBreak As Boolean屬性值
如果瀏覽器要求網頁主體中的第一個項目為 HTML BR 項目，則為 true；否則為 false。 預設為 false。
範例
下列程式碼範例示範如何判斷瀏覽器是否需要網頁主體中的第一個專案成為 HTML <br> 元素。
<%@ 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).RequiresLeadingPageBreak)
{
labelText = "Browser requires that the first element in the body of a web page be an HTML BR element.";
}
else
{
labelText = "Browser does not require that the first element in the body of a web page be an HTML BR element.";
}
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)).RequiresLeadingPageBreak Then
labelText = "Browser requires that the first element in the body of a web page be an HTML BR element."
Else
labelText = "Browser does not require that the first element in the body of a web page be an HTML BR element."
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
如果 true 為 ，則伺服器控制配接器會在網頁中緊接在 標籤後面 <body> 插入其他 <br> 元素。