private void submit_Click(object sender, EventArgs e) { InitData.Clear(); if (String.IsNullOrWhiteSpace(username.Text) || String.IsNullOrWhiteSpace(password.Text)) { dialog.MessageBox.Show(GlobalData.GlobalLanguage.empty_warn, GlobalData.GlobalLanguage.prompt); clear(); return; } var result = ValidUser(username.Text, password.Text); if (result.Item1) { dialog.MessageBox.Show(GlobalData.GlobalLanguage.welcome, GlobalData.GlobalLanguage.prompt); this.Hide(); szwlForm.mainForm.Init(); szwlForm.mainForm.ShowInTaskbar = true; szwlForm.mainForm.Show(); } else { dialog.MessageBox.Show(GlobalData.GlobalLanguage.login_error, GlobalData.GlobalLanguage.prompt); clear(); } }