Link to remember for saving your time
How to create multiple row header and merge it with other columns in GridView
http://www.dotnettwitter.com/2010/12/how-to-create-multiple-row-header-and.html
LinkButton inside Repeater inside UpdatePanel
http://leonidius2010.wordpress.com/2010/10/19/linkbutton-inside-repeater-inside-updatepanel/
Gridview Scrool
http://gridviewscroll.aspcity.idv.tw/Demo.aspx
