记录页面停留时间

 1<script language="C#" runat="server">
 2
 3DateTime startTime; 
 4
 5void Page_Init (Object sender, EventArgs e) //页面加载   
 6{   
 7startTime = DateTime.Now;   
 8//Response.Write("page init
 9");   
10} 
11
12protected override void Render(HtmlTextWriter writer) //加载结束   
13{   
14base.Render(writer); 
15
16DateTime endTime = DateTime.Now;   
17Response.Write("done in " + (endTime-startTime));   
18} 
19
20</script>