private async void buttonX1_Click(object sender, EventArgs e) { if (Scileis == null) { Scileis = new Scileis(0, textBoxX1.Text); if (await Sqldatabasethrding.SqlSaveVitl(Scileis.adder())) { MegBox.Show("تم إضافة", this); this.Close(); } } else { Scileis = new Scileis(Scileis.id, textBoxX1.Text); if (await Sqldatabasethrding.SqlSaveVitl(Scileis.updata())) { MegBox.Show("تم التعديل", this); this.Close(); } } }