コード例 #1
0
        private void buttonDelete_Click(object sender, EventArgs e)
        {
            //Get Product ID
            int Product_ID = int.Parse(textBoxProductID.Text.Trim());

            if (Product_ID != 0 || textBoxProductID.Text != null)
            {
                Product P = new Product();
                P.ProductID = Product_ID;
                //Create Object of ProductDAL
                ProductDAL dal     = new ProductDAL();
                bool       success = dal.Delete_Product(P);
                if (success == true)
                {
                    MessageBox.Show("Product Successfully Deleted.");
                    //Refresh
                    DataTable dt = dal.Select_Product();
                    dataGridViewProduct.DataSource = dt;
                    //Clear
                    clear();
                }
                else
                {
                    MessageBox.Show("Failed to Delete Product. Try Again.");
                }
            }
            else
            {
                MessageBox.Show("Please Select the Product FIrst.");
            }
        }