Hi,
Please see the following example which shows how to update progress bar during long server-side actions:
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Threading"%>
<%@ Register Assembly="Coolite.Ext.Web" Namespace="Coolite.Ext.Web" TagPrefix="ext" %>
<!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>Coolite Toolkit Example - ProgressBar</title>
<link href="../../../../resources/css/examples.css" rel="stylesheet" type="text/css" />
<script runat="server">
protected void StartLongAction(object sender, AjaxEventArgs e)
{
this.Session["LongActionProgress"] = 0;
ThreadPool.QueueUserWorkItem(LongAction);
ScriptManager1.AddScript("{0}.startTask('longactionprogress');", TaskManager1.ClientID);
}
private void LongAction(object state)
{
for (int i = 0; i < 10; i++)
{
Thread.Sleep(1000);
this.Session["LongActionProgress"] = i+1;
}
this.Session.Remove("LongActionProgress");
}
protected void RefreshProgress(object sender, AjaxEventArgs e)
{
object progress = this.Session["LongActionProgress"];
if(progress != null)
{
Progress1.UpdateProgress(((int)progress) / 10f, string.Format("Step {0} of {1}...", progress.ToString(), 10));
}
else
{
ScriptManager1.AddScript("{0}.stopTask('longactionprogress');", TaskManager1.ClientID);
Progress1.UpdateProgress(1,"All finished!");
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<ext:ScriptManager ID="ScriptManager1" runat="server"/>
<h1>Progress Bar</h1>
<p>The example shows how to update the ProgressBar during long server-side actions.</p>
<ext:Button ID="ShowProgress1" runat="server" Text="Start long action">
<AjaxEvents>
<Click OnEvent="StartLongAction"></Click>
</AjaxEvents>
</ext:Button>
<br />
<ext:ProgressBar ID="Progress1" runat="server" Width="300"></ext:ProgressBar>
<ext:TaskManager ID="TaskManager1" runat="server">
<Tasks>
<ext:Task
TaskID="longactionprogress"
Interval="1000"
AutoRun="false"
OnStart="
#{ShowProgress1}.setDisabled(true);"
OnStop="
#{ShowProgress1}.setDisabled(false);">
<AjaxEvents>
<Update OnEvent="RefreshProgress"/>
</AjaxEvents>
</ext:Task>
</Tasks>
</ext:TaskManager>
</form>
</body>
</html>
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