private void btnCategoryDelete_Click(object sender, EventArgs e) { try { DialogResult d = MessageBox.Show("Are you sure you want to delete?", "Delete", MessageBoxButtons.YesNo); if (d == DialogResult.Yes) { StoreRepo.delete(this.id); List <SMLIB.Entity.Store> s = StoreRepo.retrieve(); initStore(s); btnCategoryDelete.Enabled = false; btnCategoryUpdate.Enabled = false; btnCategoryAdd.Enabled = true; MessageBox.Show("Store has been deleted."); clearAll(); } } catch (Exception) { MessageBox.Show("Please select an item to delete."); } }