public string AddNewProduct(string data)
        {
            string result = "";

            try
            {
                Products product = new Products();
                product.ProductName     = data.Split(';')[0].ToString();
                product.SupplierID      = Convert.ToInt32(data.Split(';')[1].ToString());
                product.CategoryID      = Convert.ToInt32(data.Split(';')[2].ToString());
                product.QuantityPerUnit = data.Split(';')[3].ToString();
                product.UnitPrice       = Convert.ToDecimal(data.Split(';')[4].ToString());
                product.UnitsInStock    = Convert.ToInt16(data.Split(';')[5].ToString());
                product.UnitsOnOrder    = Convert.ToInt16(data.Split(';')[6].ToString());
                product.ReorderLevel    = Convert.ToInt16(data.Split(';')[7].ToString());

                if (data.Split(';')[8].ToString() == "1")
                {
                    product.Discontinued = true;
                }
                else if (data.Split(';')[8].ToString() == "0")
                {
                    product.Discontinued = false;
                }

                ProductOperation productOperation = new ProductOperation();
                result = productOperation.InsertProduct(product);
            }
            catch (Exception)
            {
                result = "An error occurred during this operation.";
            }

            return(result);
        }