public string EditOrder(int orderID, int customerID, Product productID, int supplierID, String address, double amount, DateTime date) { //UPDATE table_name SET column1 = value1, column2 = value2...., columnN = valueN WHERE [condition]; OrderID = orderID; CustomerID = customerID; Product = productID; SupplierID = supplierID; Address = address; Amount = amount; Date = date; return(OrderMapper.EditOrder(this)); }