public void SavePurchaseItem() { string productID = ProductIDTextBox.Text; string productDesc = ProductDescTextBox.Text; string purchasePrice = PriceTextBox.Text; string primeCategory = GetSelectedPrimeCategory(); string secondaryCategory = GetSelectedSecCategory(); string customerID = GetSelectedCustomerID(); string purchaseDate = GetDate(); DataManager dataManager = new DataManager(connectionString); dataManager.InsertPurchaseItem(productID,productDesc,purchasePrice,primeCategory, secondaryCategory,customerID,purchaseDate,poNumber); }