>>I have several tables where I store a check sum value to a field based on values of other fields in the same table. I am trying to use the Update trigger on these tables to replace this CheckSum field with an integer value. Whenver I do, I get a Can not update the cursor error when I issue a replace ChkSum with lnChkSum command in the SP trigger code. I can kind of understand this in that this is a record level data verification trigger. Is there any way I can use a trigger to replace a field value in the record being updated and validated by the update trigger?
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>>TIA!
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>Doug's right, you have to use the REcord Validation Rule. THis is also the only way to implement a timestamp field in VFP.
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>If you think about it, it would be bad news to have an update trigger modify a field. Can you say infinite loop?

Yeah, I got a case of tunnel vision. I got it in my head that every time the record is updated, I want a specific field updated every time, so I locked in on the update trigger.