protected void Login_Click(object sender, EventArgs e) { String user = loginType.SelectedValue; int num = 0; Session["uName"] = user; if (user.Equals("UA")) { User_Admin ua = new User_Admin(loginUser.Text, loginPwd.Text); if (ua.validate_UA()) { Response.Redirect("homeUA.aspx"); } else { Label2.Text = "Username or Password is invalid..."; } } else if (user.Equals("TG")) { Tour_Guide tg = new Tour_Guide(loginUser.Text, loginPwd.Text); num = tg.validate_TG(); Session["username"] = loginUser.Text; Session["password"] = loginPwd.Text; if (num == 1) { Response.Redirect("homeTG.aspx"); } else if (num == 2) { Label2.Text = "User is suspended"; } else if (num == 3) { Label2.Text = "Username or Password is invalid..."; } } else if (user.Equals("TR")) { Tourist tr = new Tourist(loginUser.Text, loginPwd.Text); num = tr.validate_TR(); Session["username"] = loginUser.Text; Session["password"] = loginPwd.Text; if (num == 1) { Response.Redirect("homeTR.aspx"); } else if (num == 2) { Label2.Text = "User is suspended"; } else if (num == 3) { Label2.Text = "Username or Password is invalid..."; } } }