namespace start
{
using System;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
/// <summary>
/// test 的摘要说明。
/// </summary>
public class testuc : System.Web.UI.UserControl
{
protected System.Web.UI.WebControls.DropDownList DropDownList1;
public event EventHandler change;
public string flag
{
get{
if (ViewState["__flag"]==null)
return string.Empty;
else
return (string)ViewState["__flag"];
}
set
{
ViewState["__flag"] = value;
}
}
protected void Onchang()
{
if (change != null )
change(this,null);
aspx文件
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 start
{
/// <summary>
/// webtest 的摘要说明。
/// </summary>
public class webtest : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataList DataList1;