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Hashtable hOnline = (Hashtable)Application["Online"];
if(hOnline != null)
{
IDictionaryEnumerator idE = hOnline.GetEnumerator();
string strKey = "";
while(idE.MoveNext())
{
if(idE.Value != null && idE.Value.ToString().Equals(UserID))
{
//already login
strKey = idE.Key.ToString();
hOnline[strKey] = "XXXXXX";
break;
}
}
}
else
{
hOnline = new Hashtable();
}
hOnline[Session.SessionID] = UserID;
Application.Lock();
Application["Online"] = hOnline;
Application.UnLock();
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override protected void OnInit(EventArgs e)
{
Hashtable hOnline = (Hashtable)Application["Online"];
if(hOnline != null)
{
IDictionaryEnumerator idE = hOnline.GetEnumerator();
while(idE.MoveNext())
{
if(idE.Key != null && idE.Key.ToString().Equals(Session.SessionID))
{
//already login
if(idE.Value != null && "XXXXXX".Equals(idE.Value.ToString()))
{
hOnline.Remove(Session.SessionID);
Application.Lock();


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