Suppose you want to make some fields editable for only some users in CRM forms, there is a great and simple MSDN blog that outlines how to do it.
Here’s a copy of their code. Just change _roles and _fields to the fields’ names that you want to disable for _roles. Flip it around and enable it only for those users by changing line x to false.
Put it in your form’s onLoad event at Customization->your entity->Forms and Views->Form->Form Properties->Event, OnLoad->Edit Continue reading