As soon as I do some calculations on some data fields during data entry ( using D5 and IB 6 ) I get this 'Invalid BLOB ID error' on a memo field in the same dataset. Should I be committing the memo field before doing the calcs and if so what is the best method of doing this?. posting still produces the error but closing and reopening the dataset does not.
 
cheers

Patrick Sheehan
( P+A Computing )
Patrick Anthony Associates Ltd

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