private void saveOrUpdateButton_Click(object sender, EventArgs e) { _category.Id = categoryId; _category.Name = nameTextBox.Text; _category.Code = codeTextBox.Text; if (String.IsNullOrEmpty(_category.Name)) { nameErrorLabel.Text = @"Name is required !"; nameErrorLabel.ForeColor = Color.Red; nameTextBox.Focus(); return; } if (_categoryManager.UniqueName(_category)) { nameErrorLabel.Text = @"Name is already exits !"; nameErrorLabel.ForeColor = Color.Red; nameTextBox.Focus(); return; } if (saveOrUpdateButton.Text == "Save") { try { if (_categoryManager.AddCategory(_category)) { //categoryDataGridView.DataSource = _categoryManager.GetAllCategory(); categoryUiController.ShowAllCategory(); MessageBox.Show(@"Saved Successfully"); //Close(); } else { MessageBox.Show(@"Save failed"); } } catch (Exception exception) { MessageBox.Show(exception.Message); } } else { try { if (_categoryManager.UpdateCategory(_category)) { //categoryDataGridView.DataSource = _categoryManager.GetAllCategory(); categoryUiController.ShowAllCategory(); MessageBox.Show(@"Updated Successfully", @"Info", MessageBoxButtons.OK, MessageBoxIcon.Information); saveOrUpdateButton.Text = @"Save"; ClearAllText(); Close(); } else { MessageBox.Show(@"Update failed"); } } catch (Exception exception) { MessageBox.Show(exception.Message); } } ClearAllText(); GenerateProductCode(); }