C # implement the effect of only one pop-up message after login like msn prompt

InAsppopup. aspx "target = _ blank _ fcksavedurl =" http://www.codeproject.com/aspnet/asppopup.asp ">Codeproject We can see a very good control that can completely customize the style, content, and links of the pop-up window. This control supportsMozilla,Internet ExplorerAndOperaI tried it and it worked very well. We recommend that you use it.

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The following describes how to use this control with cookies to implement the function of reminding users only once after logon!
I. Define variables}

#region members
protected AgronetControl.PopupWin pwVegnet;
private  string downmoontest="downmoontest";
#endregion

2. Button events

# RegionEvents
        Private VoidPage_Load (ObjectSender, System. EventArgs e)
{
PwVegnet. LinkClicked+ =NewEventHandler (pwVegnet_LinkClicked );
            This. PwVegnet. Visible=False;
            If(!IsPostBack)
{
                BoolBl=IsShowMessage ();
                If(Bl)
{
SetMessage ();
SetCookies (downmoontest,"Yes",1);
}
                Else
{
                    This. PwVegnet. Visible=False;
}
}
}
        /// <Summary>
        ///Logout button
        /// </Summary>
        /// <Param name = "sender"> </param>
        /// <Param name = "e"> </param>
        Private VoidBtnLogOff_Click (ObjectSender, System. EventArgs e)
{
RemoveAll ();
}
        Private VoidPwVegnet_LinkClicked (ObjectSender, EventArgs e)
{
            //Here, you can add "whether or not to display a script like" --- downmoon
Page. Response. Redirect (@"Http://www.vegnet.com.cn/user/");
}

Iii. Main Methods:

#region Methods
private void SetMessage()
{
pwVegnet.HideAfter = 5000 ;
pwVegnet.Visible = true ;
pwVegnet.Title = textTitle.Text;
pwVegnet.Message = textMsg.Te