Get the value of hidden column in Gridview

Question

I am using a Gridview and wondering if there is way to hide a column from the Gridview but still be able to access the hidden column value.

I set visible= false for

Answer 1

One way I have gotten values from Invisible GridView Columns is using the DataKeyNames attribute.

then to access the data

var data = GridView.DataKeys[RowIndex].Values[KeyIndex]