I need a check box in grid view to give permissions and remove permissionsto users.

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Java

HTML

I am an Admin, I added 4 usesrs Ramesh, Suresh, Ajay and Mahesh. I given permissions for updating data in Database only to Ramesh and Ajay. So, only Ramesh and Ajay can update, remaining 2 Users Suresh and Mahesh can only retrieve data from Database. Now i would like to remove permission for Ajay and give permission to other. I need a check box in Grid view to give permissions and remove permissions.

What I have tried:

I tried in java, but it is not coming