Hi Eduardo
Take a look at Tastrade. In that sample you will find out how to calculate rows and columns.
You find Tastrade (Tasmanian Traders) in the sampleapplications shipped with VFP.
/Pierre Unge

>hi im trying to program a form to handle orders and i allready have it with a problem i dont know how to perform a calculation in a grid
>
>example im trying to put in the diferent rows the operation qtty times unit price
>
>thanks