Query updation

hi all,

SELECT T0.[Quantity] + (T0.[Quantity]/10), T0.[ItemCode] FROM RDR1 T0 INNER JOIN ORDR T1 ON T0.DocEntry = T1.DocEntry WHERE T1.[DocNum] =[%0]

This query select particular sales order and then item is selected one by one in this order, after every selection we have to again run this query but my client want to select item by pressing ctrl button so that item can be selected at one time.so please provide me updated query.

thanks and regards

rahul