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I have a pretty big (3012 x 5) Table with many nulls/empty/blanks(probably a couple thousand). I would like, in Visual Basic, to replace these by a zero . I have tried using If IsEmpty syntax, If IsNull syntax, If Is Null, if = "" syntax and nothing seems to work. Either I get an error or the...

Well, as an introduction, I have programmed since 1953 (was a digital differential analyzer and an analog computer-both of which have been buried by todays computing technology). Did main frames and, about twenty years ago, switched to PC's. Used to know such esoteric languages as COBOL, ALGOL...