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I have an editable grid containing two drop-down columns with other editable columns as well.
In grid, one drop-down value is mapped with another drop-down value. I need to put a validation that if that particular mapping already exists in DB then show mapping already exists only on click of submit button.
Let's say in DB values in one row are:
A (drop-down 1) B (drop-down 2) C (Text field)
1 2 xyz
Then if user enters the same mapping of A and B, i.e. selects A as 1 and B as 2 in UI, then show mapping exists.
User can add multiple rows in editable grid through add row button and multiple mappings in grid can be added. It should be able to check for all rows and throw validation on row components where duplicate exists in DB.
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