共用方式為

HttpResponse.IsClientConnected 屬性

定義

命名空間:
System.Web
組件:
System.Web.dll

會取得一個值，表示用戶端是否仍連接伺服器。

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

屬性值

Boolean

true如果用戶端目前已連接;否則，。 false

範例

以下範例使用該 IsClientConnected 屬性來檢查請求該頁面的用戶端是否仍與伺服器連接。 若 IsClientConnected 為真，程式碼會呼叫該 Redirect 方法，客戶端將查看另一頁。 若 IsClientConnected 為假，則程式碼呼叫該 End 方法，所有頁面處理終止。

<%@ 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">

    private void Page_Load(object sender, EventArgs e)
    {
        // Check whether the browser remains
        // connected to the server.
        if (Response.IsClientConnected)
        {
            // If still connected, redirect
            // to another page. 
            Response.Redirect("Page2CS.aspx", false);
        }
        else
        {
            // If the browser is not connected
            // stop all response processing.
            Response.End();
        }
    }

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
    </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">
    Private Sub Page_Load(sender As Object, e As EventArgs)

        ' Check whether the browser remains
        ' connected to the server.
        If (Response.IsClientConnected) Then

            ' If still connected, redirect
            ' to another page.             
            Response.Redirect("Page2VB.aspx", false)
        Else
            ' If the browser is not connected
            ' stop all response processing.
            Response.End()
        End If
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
    </form>
</body>
</html>

備註

當以下條件成立時，該 IsClientConnected 屬性會返回 false ：

適用於