一个无刷新效果定时自动更新页面的例子(ASP.NET2.0-应用xmlhttp)

<p/>

<table id="dynamicUpdateArea" align="left">

<tbody>

<tr id="row0"><td></td></tr>

</tbody>

</table>

</form>

</body>

</html>

//Default2.cs

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 Default2: System.Web.UI.Page

{

private static int counter = 1;

protected void Page_Load(object sender, EventArgs e)

{

String res = "";

String task = this.Request.Params["task"];

String message = "";