How to send gridview column value to code behind

Hi

 

This is my gridview template field:

 

" style="width: 250px; height: 200px" />


<%# Eval("Message") %>

')" class="note_icon_order text-center center-block">Preview





 

 

I want to use <%# Eval("Message") %>  value in my c# code behind of command argument event.

 

Please tell me the procedure

 

Thanks.