public void RemoveOrderLineFromOrder(int _prodID, int _orderID) { string query = "DELETE FROM[Order_Product] WHERE ProductID = @ProductID AND OrderID = @OrderID"; List <KeyValuePair <string, object> > parameterlist = new List <KeyValuePair <string, object> > { new KeyValuePair <string, object>("@OrderID", _orderID), new KeyValuePair <string, object>("@ProductID", _prodID), }; SQL_CRUD_Methods.SQLDelete(query, parameterlist); }