lcObject=sys(1272, this.parent) lcScreenObject = "_SCREEN.activeform." + justext(m.lcObject) if type(m.lcScreenObject + '.name') = 'C' lcCostSource = m.lcScreenObject + ".a_cost(&lcRecn,&lcColIndex)" .cnt_PurchOrd.spn_Cost.controlsource = lcCostSource lcRecvSource = lcScreenObject + ".a_Recv(&lcRecn,&lcColIndex)" .cnt_PurchOrd.spn_Received.controlsource = m.lcRecvSource .cnt_PurchOrd.txt_OnHand.value = evaluate(lcScreenObject +".a_OnHand(&lcRecn,&lcColIndex)") .cnt_PurchOrd.txt_lstCost.value = evaluate(lcScreenObject +".a_LastCost(&lcRecn,&lcColIndex)") .cnt_PurchOrd.txt_OnOrder.value = evaluate(lcScreenObject +".a_OnOrd(&lcRecn,&lcColIndex)") endifwhen the ActiveForm changes, it gives an error. Is there any way to make the above conditional in the ControlSource?