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Former Member
May 10, 2015 at 10:26 AM

Data validation for view cluster data entries during navigation



I have created a view cluster which has a hierarchy as below.

I want to put a validation on *Navigation* within the view.

I know that the number of rows validation (Selecting a single row or multiple rows) can be done in SE54.

What I want is:

Assume that there are 10 records from number 1 to 10 in level1.

For 4 records, I want to allow the user to go to Level2 and for remaining entries, I want to give him an error message saying "You can't maintain entries for these fields". I want to issue this message before saving. I want to restrict data creation instead of checking at the very end before saving the data.

Which event should I use?