Validate one datagrid edit field off another edit field

ok I have a dropdownlist if the user selects Item 3 then I want to show a requiredfieldvalidator for the datefield.

see your previous post. I can provide you with some sample code doingnot exactly that but using one control validation based on the value ofthe other one. Give me a shout if you are interested
Cheers

i did not think the first one went through, thanks I will look