Checking for NULL values

[KeertanaCR]

I Have a field in Database table A.

I need to check for NULL Values in the Record Selection? How Can i do that.

I mean what is the substitue in Crystal for A IS NOT NULL in SQL

Thanks for ur help
Keertana

 

[Kendel]

... NOT IsNull(something)

 

[KeertanaCR]

Thank you