How to display alert message for invalid date

[sagar_vin]

Hi all

If the report dosn't  have data,
i want to display alert message like " No records can be found. This may be due to one of the following:
* No data exists for the dates selected or*
You do not have access to data base Please contact Administrator if you require assistance.

Thanks in advance

[Feanor]

Are you using a list report or a crosstab?

[chow]

see this document in cognos support site ,it will help full for you

Document#: 1011987.3

or search for this topic ==How do you display a custom message to viewers when no records are returned?