private void Button1_Click(object sender, System.EventArgs e)
{
System.Threading.Thread thread=new System.Threading.Thread(new System.Threading.ThreadStart(LongTask));
thread.Start();
Session["State"]=1;
OpenProgressBar(this.Page);
}
}
}
新建一个进度条页面Progress.aspx
客户端：
在head中加入<base target="_self">
<body MS_POSITIONING="GridLayout">
<form method="post" runat="server">
<asp:Label runat="server"></asp:Label>
<asp:Panel runat="server" BorderStyle="Solid" BorderWidth="1px"
ForeColor="Silver">
<asp:Panel runat="server" BackColor="Green"></asp:Panel>
</asp:Panel>
<asp:Label runat="server" ForeColor="Blue"></asp:Label>
</form>
</body>
服务器端：
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace WebProgressBar
{
/**//// <summary>
/// Summary description for Progress.
/// </summary>
public class Progress : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblMessages;
protected System.Web.UI.WebControls.Panel panelProgress;
protected System.Web.UI.WebControls.Panel panelBarSide;
protected System.Web.UI.WebControls.Label lblPercent;
private int state = 0;
private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
if(Session["State"]!=null)
{
state = Convert.ToInt32(Session["State"].ToString());
}
else
{
Session["State"]=0;
}
if(state>0&&state<=10)
{
this.lblMessages.Text = "Task undertaking!";
this.panelProgress.Width = state*30;
this.lblPercent.Text = state*10 + "%";
Page.RegisterStartupScript("","<script>window.setTimeout('window.Form1.submit()',100);</script>");
}
if(state==100)
{
this.panelProgress.Visible = false;
this.panelBarSide.Visible = false;
this.lblMessages.Text = "Task Completed!";
Page.RegisterStartupScript("","<script>window.close();</script>");
}
}