private void btnDelete_Click(object sender, EventArgs e) { if (MessageBox.Show("Are you sure to Delete this Record ?", "EF CURD operation ", MessageBoxButtons.YesNo) == DialogResult.Yes) { ; } using (EFDBEntities db = new EFDBEntities()) { var entry = db.Entry(model); if (entry.State == EntityState.Detached) { db.Customers.Attach(model); } db.Customers.Remove(model); db.SaveChanges(); PopulateDateGridView(); Clear(); } }
private void btnSave_Click(object sender, EventArgs e) { model.FirstName = textBox1.Text.Trim(); model.LastName = textBox2.Text.Trim(); model.City = textBox3.Text.Trim(); model.Address = textBox4.Text.Trim(); using (EFDBEntities db = new EFDBEntities()) { if (model.CustomerID == 0) //insert { db.Customers.Add(model); } else //update { db.Entry(model).State = EntityState.Modified; } db.SaveChanges(); } Clear(); PopulateDateGridView(); MessageBox.Show("Submitted successfully"); }