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Databases,Tables, Views, Indexing and SQL syntax
>>As a user I prefer feedback on incorrect data input to be as soon as possible, not after I have keyed in a number of other fields. As long as the field validation does an immediate check for the Esc key, bailing out if it was pressed, the user is not trapped in the field with no way out.
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>>And as an end user, I do not want to be nagged incessantly {s}. I prefer to have all the validation occur when I try to save the data and be presented with all the problems at the same time so that I can fix all of them in one fell swoop.
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>We use mixed approach with the preference on the record level business rules check, but some validations we're doing directly on the valid of the form's control.
I warn errors (with a WAIT WINDOW NOWAIT) during data entry and hard-trap (with a dialog box) during saves.
That way, the end user can move around at will during data entry, entering and correcting in whatever order he
sees fit.
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