private void buttonBEkleme_Click(object sender, EventArgs e) { Branch branch = new Branch { Name = textBoxBEkleme.Text }; EfContext efContext = new EfContext(); efContext.Branches.Add(branch); try { efContext.SaveChanges(); MessageBox.Show("Kaydedildi"); } catch (Exception exception) { MessageBox.Show("Kaydedilmedi"); } efContext.Dispose(); }