private async void BtnAdd_Click(object sender, EventArgs e) { using (frmAddClass frm = new frmAddClass(new Class())) { if (frm.ShowDialog() == DialogResult.OK) { try { classBindingSource.Add(frm.ClassInfo); db.Classes.Add(frm.ClassInfo); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }
private async void BtnEdit_Click(object sender, EventArgs e) { Class obj = classBindingSource.Current as Class; if (obj != null) { using (frmAddClass frm = new frmAddClass(obj)) { if (frm.ShowDialog() == DialogResult.OK) { try { classBindingSource.EndEdit(); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } } }