Parts of the form may be disabled due to form "business logic" of the inputs
You can use "readonly" attribute to disable those input fields. Do like this:
The readonly attribute specifies that an input field should be read-only.
A read-only field cannot be modified. However, a user can tab to it, highlight it, and copy the text from it.
from: HTML input readonly Attribute
A read-only field also can be submitted to server as query string.
