private void btn_login_Click(object sender, EventArgs e) { string username = txt_username.Text; string password = txt_password.Text; StoreProcedure.sp_login(username, password); StoreProcedure.fn_login_admin(username, password); GlobalVariable._LowImageFilePath = GlobalMethod.GetLowImageFilePath("1"); this.Close(); th = new Thread(openHome); th.SetApartmentState(ApartmentState.STA); th.Start(); }