private async void BtnAdd_Click(object sender, EventArgs e) { using (FormAddEdit frm = new FormAddEdit(new Student() { gender = false })) { if (frm.ShowDialog() == DialogResult.OK) { try { studentBindingSource.Add(frm.StudentInfo); db.Students.Add(frm.StudentInfo); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }
private async void BtnEdit_Click(object sender, EventArgs e) { Student obj = studentBindingSource.Current as Student; if (obj != null) { using (FormAddEdit frm = new FormAddEdit(obj)) { if (frm.ShowDialog() == DialogResult.OK) { try { studentBindingSource.EndEdit(); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } } }