//my functions--------------------------------------------------- public void getUserAndMoveToMain(string username, string password) { //send to business logic System.Data.DataTable dt = ws.userLogin(username, password); User user = dtFunc.getOneUserFromDt(dt); //check for errors if (user.Id == -1) { MessageBox.Show(" User loggin information incorrect Error UserID return -1"); } else { //Console.WriteLine(user.Id + " " + user.Username + " " + user.Userlevel + " " + user.Email); moveToMainMenuWithData(user); } }