public bool IsValid(User user)
        {
            IUserData userdata = new UserData();

            DataTable dt = new DataTable();
            dt = userdata.getSPUser(user.Entity(user));
            //System.Windows.Forms.MessageBox.Show("UserID:: " + dt.Rows[0]["UserID"]);

            userID = Convert.ToInt32(dt.Rows[0]["UserID"]);

            //if (dt.Rows.Count == 0)
            if (userID <= 0)
            {
                return false;
            }
            else
            {
                profileType = dt.Rows[0]["RoleName"].ToString();
                //System.Windows.Forms.MessageBox.Show("RoleID:: " + dt.Rows[0]["RoleName"]);

                return true;
            }
        }