private void Login_Click(object sender, EventArgs e) { EmployeeAuthentication auth = new EmployeeAuthentication(); if (auth.Login(Email.Text, Password.Text)) { /*Home home = new Home(auth); * home.ShowDialog();*/ var frm = new CarList(auth); frm.Location = this.Location; frm.StartPosition = FormStartPosition.Manual; frm.FormClosing += delegate { this.Show(); }; frm.Show(); this.Hide(); } else { ErrorMessage.Visible = true; } }