private void BtnLogin_Click(object sender, EventArgs e) { try { if (pubclass.IsUserValid(txt_Username.Text.Trim(), txt_Password.Text.Trim())) { ValidUser = true; MainForm mfrm = new MainForm(); mfrm.Online_Username = txt_Username.Text.Trim(); Close(); } } catch (Exception ex) { OCA.WinUI.BaseForms.BaseMessageBox mesg = new OCA.WinUI.BaseForms.BaseMessageBox(); mesg.Error("خطا", ex.Message); if (LoginFailed == 3) { this.Close(); } LoginFailed++; txt_Username.Clear(); txt_Password.Clear(); txt_Username.Focus(); } }