How to Configure combination of fields with unique line item in editable grid?

Certified Associate Developer

Hi,

I have a requirement where I need to add validation in editable grid

Eg:  combination of (A+B+C+D) that should be unique for every entry but for D we need to add condition that all (A+B+C) should be unique, when we enter the data for D (or) it should throw error msg that having duplicate entries.

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