asp.net ajax 提交中，暂停提交


 from msdn
 protected void Button1_Click(object sender, EventArgs e)
        {
            System.Threading.Thread.Sleep(3000);
            Label1.Text = System.DateTime.Now.ToString();
        }


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    
    </asp:ScriptManager>
    
    <script type="text/javascript">
    var prm = Sys.WebForms.PageRequestManager.getInstance();
   prm.add_initializeRequest(InitializeRequest);
   function InitializeRequest(sender, args) {
    if (prm.get_isInAsyncPostBack())
      {
         args.set_cancel(true);
      }
   }
    function AbortPostBack() {
      if (prm.get_isInAsyncPostBack()) {
           prm.abortPostBack();
      }        
    }
    </script>

    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
        <ContentTemplate>
            <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
            <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
        </ContentTemplate>
    </asp:UpdatePanel>
    <asp:UpdateProgress ID="UpdateProgress1" runat="server">
        <ProgressTemplate>
            正在加载数据!<br />
            <input type="button" value="stop" onclick="AbortPostBack()" />

        </ProgressTemplate>
    </asp:UpdateProgress>
    </form>
</body>
</html>

posted on 2007-12-26 09:54  gwazy  阅读(820)  评论(1)    收藏  举报

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