public void SaveInventoryItem() { string productID = ProductIDTextBox.Text; string productDesc = ProductDescTextBox.Text; string purchasePrice = PriceTextBox.Text; string primeCategory = GetSelectedPrimeCategory(); string secondaryCategory = GetSelectedSecCategory(); string productStatus = "Available"; string serialNumber = SerialNumberTextBox.Text; string saleDate = "1/1/1990"; DataManager dataManager = new DataManager(connectionString); dataManager.InsertInventoryItem(productID,productDesc,purchasePrice,primeCategory, secondaryCategory,productStatus,serialNumber,saleDate); }