Quickedit in sharepoint 2013 using CSR

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SharePoint2013

Hi,
i am fresher in my organisation, i have doubt in QuickEdit in sharepoint 2013 using CSR.
1. I have changed three single line text into three drop down choice field in edit form using CSR (Cascading functionality).
2. i have changed even in quick edit from single line to drop down, but when i clicked in the field to edit. it shows the original value of single line text.
3.kindly let me know how to deal with it.

What I have tried:

I don't get any idea to proceed.