Show Data-List Inside other
Question

I have Two table with one to many relationship

i want to get sub Categories according to main Category in the current list item  

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Hi,

For Sub Category you can create a Block as a categoryid input and you can select subcategory based on categoryid.

Please create a new list inside a block to render sub categories.

Put this block into inside parent list.

Thanks

Vinod

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MVP

Hello Abduerhman,

If it helps, here's an .OML example attached.

Kind Regards.

CategoryExample.oml

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