Thank you Nadya.

>You can put this code in the method, which calls Print Preview.
>
>>Thank you Nadya for the codes,
>>I'm not sure i understand the codes as i am not good in VFP.
>>Where do i put this code? Should i put it as a method of the
>>form and call this method at the valid() of all the controls?
>>Tnanks for replying.
>>JW
>>
>>
>>>See the code bellow to fix the problem. In some cases (like using hotkeys to >activate buttons) the valid of textbox is not fired, thus the value is not updated.
>>>

>>>* code from  06/06/2002 Vlad Grynchyshyn
>>>	local oObj, nIndex, i
>>>	if type('thisform.activecontrol.name')='C'
>>>		oObj = .activecontrol
>>>&& If it's a grid, we need to calculate the active control
>>>		if upper(m.oObj.baseclass) == "GRID"
>>>			nIndex = m.oObj.activecolumn
>>>			for i=1 to m.oObj.columncount
>>>				if m.oObj.columns(m.i).columnorder = m.nIndex
>>>					nIndex = m.i
>>>					exit
>>>				endif
>>>			endfor
>>>			oObj = m.oObj.columns(nIndex)
>>>			oObj = evaluate("m.oObj." + m.oObj.currentcontrol)
>>>		endif
>>>
>>>&& Check if control has different value than its ControlSource
>>>		if proper(m.oObj.baseclass)='Textbox' and not empty(m.oObj.controlsource) ;
>>>				and !(m.oObj.value==evaluate(m.oObj.controlsource))
>>>			m.oObj.value = m.oObj.value && Updated:NN: 06/07/02
>>>			lReturn = m.oObj.valid() && This is enough to write changes into ControlSource
>>>			if (vartype(m.lReturn)='N' and m.lReturn = 0) or m.lReturn = .f.
>>>				return .f.
>>>			endif
>>>		endif
>>>	endif