Hi Karyl,

Yes - you will want to look at adding "Data Validation" to your "Total"
field. I am assuming this is a text box - if so, right-click the text box,
choose Properties, click Data Validation and then add the appropriate
expression. Once you have this setup, then you can enter the text for the
message.

I hope this helps!

Best Regards,

Scott L. Heim
Microsoft Developer Support

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