private void Insert_Click(object sender, EventArgs e) { using (TransportationIEF frm = new TransportationIEF(null, db)) { if (frm.ShowDialog() == DialogResult.OK) { transportationBindingSource.DataSource = db.Transportation.ToList(); } } }
private void Edit_Click(object sender, EventArgs e) { if (transportationBindingSource.Current == null) { return; } using (TransportationIEF frm = new TransportationIEF(transportationBindingSource.Current as Transportation, db)) { if (frm.ShowDialog() == DialogResult.OK) { transportationBindingSource.DataSource = db.Transportation.ToList(); } else { db = new my_db_for_db_2Entities(); transportationBindingSource.DataSource = db.Transportation.ToList(); } } }