private void btn_Login_Click(object sender, EventArgs e) { User huidigeUser = new User(); UserManagementController user_Service = new UserManagementController(); string Email = tb_Email.Text; string Password = tb_Password.Text; huidigeUser = user_Service.CheckEmailAndPassword(Email, Password); if (huidigeUser == null) { MessageBox.Show("Email or Password incorrect, Try again !", "", MessageBoxButtons.OK, MessageBoxIcon.Error); } else if (huidigeUser.type == UserType.Employee) { this.Hide(); TopDesk TopDesk = new TopDesk(huidigeUser); TopDesk.Show(); } else if (huidigeUser.type == UserType.ServiceDeskEmployee) { this.Hide(); TopDesk TopDesk = new TopDesk(huidigeUser); TopDesk.Show(); } }