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How do I update the ADO field definitions set by the .ttx file for a crystal report version 6.0 ? I need to add a couple of more fields. I tried updating the .ttx file but the report doesn't seem to recognize the update. When I select 'verify database' in the reports designer, it comes back with the error message 'memory full'.
I'm using CR 8.5 and I update my ttx files the same way you described without a problem. Have you tried either restarting Crystal Reports or rebooting your computer? That may salve the memory full issue. Also, I noticed that if the variables are not defined correctly in the ttx file, it could cause some weird error messages. For example, make sure that String variables are defined as VariableName [Tab] String [Tab] Length. (I always accidentally put a space instead of that second tab.)
When I was still new to CR (before I knew what Verify Database was for), I would always write my ttx file with a few extra String 100 variables in case I needed to add a field after the report was created.