"This field name is not known" error showing

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"This field name is not known" error showing in a formula field while viewing the report through the crystal report viewer. It works while running in the crystal designer window. Only difference while running from vb.net application it uses a temperory table that links with other tables in the report. The formula causing error is not a field from the temperory table. Anybody has any ideas?.
I use sql server 2008 as the database

Posted 21-Aug-12 3:48am

Reji Ab

Updated 21-Aug-12 3:51am

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ShaikhM 21-Aug-12 23:12pm

There's not sufficient information for us to comment.

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Kschuler · Answer 1 · 2012-08-21T04:35:00

Solution 1

Without seeing your code, it will be difficulr to help. Did you try google[^] first? It sounds like you've maybe misspelled a field name or are missing something in your code temporary table.

Posted 21-Aug-12 4:35am

Kschuler

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Reji Ab 22-Aug-12 1:59am

Thanks for your reply. I already googled it but no help.

It happens in the formula code
ToText({rooms.RM_DIRYPOS}) + ToText({rooms.RM_ABBR});
were rm_dirypos and rm_abbr are defined as varchar(10) in sql server.

When I use vb.net 2010 it uses crystal report XI to run the reports.
when I open in crystal report designer it uses 8.5 to run it and it runs fine.

This report works well when running it from DELPHI application, it uses crystal report 8.5 to run it. So I am wondering is that an issue with new version of crystal report. Any ideas please help

Kschuler 22-Aug-12 9:04am

Do you have any other special things about your report. For instance, are you using sub reports or parameters? Are you 100% sure it's that formula that is broken? If you remove that formula and run it again, does the report work? If you are worried about it being an issue with crystal report versions, you could saving it as a crystal XI report using visual studio and running it again to test.