How to validate parameter values against a data source in Crystal Reports 2008

Posted by mjh41 on Stack Overflow See other posts from Stack Overflow or by mjh41
Published on 2010-04-22T16:09:04Z Indexed on 2010/04/22 16:13 UTC
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parameters

I have a report designed in Crystal 2008. The report has a parameter field called "Member ID" that I want to use to get a string input from the user running the report. However, I want to do some sort of validation to ensure that the ID they entered is valid (it exists in a database table that I already have set up). Is there any way to do this?

I know you can set up dynamic parameters that would give the user a dropdown list of Member ID values to choose from based on the data stored in my database table. But I don't want to make the user sort through thousands of IDs in a dropdown. I just want them to manually enter an ID and then have the report check the entered value against a database table.

Is this possible?

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