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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OK. I suggest to create a separate validation expression and use that on these fields.
Can you please elaborate more by putting some UI Screen shots.