using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Collections;

/// <summary>
///CommonPage 的摘要说明
/// </summary>
public class CommonPage : System.Web.UI.Page
{
    public CommonPage()
    {
        //
        //TODO: 在此处添加构造函数逻辑
        //
    }

    override protected void OnInit(EventArgs e)
    {
        Hashtable hOnline = (Hashtable)Application["Online"];
        if (hOnline != null)
        {
            if (!hOnline.Contains(Session.SessionID))//同一台PC机多次打开IE登录
            {
                string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";
                Response.Write(string.Format(js, "帐号已在别处登录 ，你将被强迫下线（请保管好自己的用户密码）！", "../index.aspx"));
                return;
            }
            else
            {
                IDictionaryEnumerator idE = hOnline.GetEnumerator();
                while (idE.MoveNext())
                {
                    if (idE.Key != null && idE.Key.ToString().Equals(Session.SessionID))
                    {
                        //already login   
                        if (idE.Value != null && "alreadyLogin".Equals(idE.Value.ToString()))
                        {
                            hOnline.Remove(Session.SessionID);
                            Application.Lock();
                            Application["Online"] = hOnline;
                            Application.UnLock();
                            string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";
                            Response.Write(string.Format(js, "帐号已在别处登录 ，你将被强迫下线（请保管好自己的用户密码）！", "../index.aspx"));
                            return;
                        }
                        break;
                    }
                }
            }
        }
    }
}