中显示进度条
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Threading;
public partial class ShowProgress : System.Web.UI.Page
{
&&& protected void Page_Load(object sender, EventArgs e)
&&& {
&&&&&&& Response.Write("<div id='mydiv' >");
&&&&&&& Response.Write("_");
&&&&&&& Response.Write("</div>");
&&&&&&& Response.Write("<script>mydiv.innerText = '';</script>");
&&&&&&& Response.Write("<script language=javascript>;");
&&&&&&& Response.Write("var dots = 0;var dotmax = 10;function ShowWait()");
&&&&&&& Response.Write("{var output; output = '正在装载页面';dots+
+;if(dots>=dotmax)dots=1;");
&&&&&&& Response.Write("for(var x = 0;x < dots;x++){output += '·';}mydiv.innerText =
output;}");
&&&&&&& Response.Write("function StartShowWait(){mydiv.style.visibility = 'visible'; ");
&&&&&&& Response.Write("window.setInterval('ShowWait()',1000);}");
&&&&&&& Response.Write("function HideWait(){mydiv.style.visibility = 'hidden';");
&&&&&&& Response.Write("window.clearInterval();}");
&&&&&&& Response.Write("StartShowWait();</script>");
&&&&&&& Response.Flush();
&&&&&&& Thread.Sleep(10000);
&&& }
}