How to hide a TemplateField column in a GridView

Question

How can I hide a TemplateField column in a GridView?

I tried the following:

Answer 1

If appears to me that rows where Visible is set to false won't be accessible, that they are removed from the DOM rather than hidden, so I also used the Display: None approach. In my case, I wanted to have a hidden column that contained the key of the Row. To me, this declarative approach is a little cleaner than some of the other approaches that use code.

 <%--ROW ID--%>