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How to prevent Duplicates

Thread began 5/25/2011 1:24 pm by kp006274029 | Last modified 9/08/2011 1:43 pm by kp006274029 | 2156 views | 6 replies


How to prevent Duplicates

I have created an insert page using the data assist wizard..It has a dropdown menu which lists categories and a text box that allows the user to add a sub-category to the category in the dropdown menu. I need to allow the user to add the same
sub-category to multiple categories..i.e. both the categories Dog and Cat could contain the sub-category "LEASHS" however entering "LEASHS" twice in the Dog or Cat category is not allowed.

I know how to prevent a user from entering a duplicate, by using the standard insert
record and check username server behaviour but not sure how to do it in the above case.

Many Thanks In Advance.

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