Citat:
...
* Using a Filter or Locate with a TLargeIntField on a
TClientDataSet will always fail with the error
"Constant is not correct type".
...
Citat:
...
* Calling the TClientDataset.Locate method on a TWordField
always returns false (Quality Central 5319).
...
http://dn.codegear.com/article/32337