Asp.net Ajax中ProgressTemplate的问题

kroda 2008-07-06 12:13:52

1.<ProgressTemplate></ProgressTemplate>不能为label Text属性使用Eval吗？使用了后发现在cs文件中用this.databind()方法无法将值显示到页面上。
并且，在页面后置cs中无法通过this.出label

2.一个具体应用



<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Second.aspx.cs" Inherits="AjaxUpdateProgress_Second" %>



<!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>无标题页</title>

</head>

<body>

    <form id="form1" runat="server">

     <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>

    <div>

        <asp:UpdatePanel ID="upadte" runat="server">

            <ContentTemplate>

            <div>

                <div runat="server" id="div1">

                    <asp:UpdateProgress ID="UpdateProgress1" runat="server">

                    <ProgressTemplate>

                    

                    <%=str %>

                    </ProgressTemplate>

                    </asp:UpdateProgress>

                    <asp:Button ID="btnLogin" runat="server" Text="登陆" OnClick="btnLogin_Click" />

                   

                </div>

                

                <div id="div2" runat="server" style="display:none">欢迎您光临!</div>

            </div>

            </ContentTemplate>

        </asp:UpdatePanel>

         

    </div>

    </form>

</body>

</html>



using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;



public partial class AjaxUpdateProgress_Second : System.Web.UI.Page

{

    protected string str = "正在加载中....";

    protected void Page_Load(object sender, EventArgs e)

    {

        this.DataBind();

    }

    protected void btnLogin_Click(object sender, EventArgs e)

    {

         

        this.str = "加载50%.....";

        this.DataBind();

        System.Threading.Thread.Sleep(2000);



        this.str = "加载100%.....";

        this.DataBind();

        System.Threading.Thread.Sleep(2000);



        //显示结果

        this.div1.Style.Add("display", "none");

        System.Threading.Thread.Sleep(2000);

        this.div2.Style.Add("display", "block");

    }

}