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Prevent duplication of records in the entry form
Thank you all for your input. I have definitely used elements from all of the above, all of which are useful.:) thank you. -
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Prevent duplication of records in the entry form
Thank you so much for quick reply, When I try your code appeared this message, (This error can occur when an event fails to run because the logic location of this event could not be evaluated. For example, if the form's OnOpen property is set to = [Field], this error occurs because an event or... -
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Prevent duplication of records in the entry form
hello, I'm working on Access 2016, First, I have a regester table that contains three fields (ID), (courseNo#) and (memberNo#) I need to prevent duplecation in (courseNo#) and (memberNo#) in Form wizerd. I know how to prevent duplection in one field but I don't know for two fields:D. The...