?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;
using Web2ASPNET2.UserCommonOperation;

public partial class Portal_Desktop:System.Web.UI.Page
{
	protected void Page_Load(object sender,EventArgs e)
	{	///判斷用戶是否登錄
		UserInfo info = (UserInfo)UserCommonOperation.GetUserInfo(Session);
		if(info == null)
		{   ///返回到上一個頁面
			Response.Write("<script>history.back()</script>");
			///跳轉到登錄頁面
			Server.Transfer("~/Portal/UserLogin.aspx");
			return;
		}
	}
}