This is one nasty error which I've experienced many times. Finally got one solution for that.. Do view code of the rdl..Find the killer bug..and correct it... ex:
Only referring to the code will help..
=Parameters!FromDate.Value
Only referring to the code will help..
Correct it to
Whatever we do outside wont help...even if we remove all the parameters from query and redo again... :)
Thanks to this part of the report...
Hope this serves good for someone out there...
Happy programming guys!!
Regards,