Implement-check-all-checkbox-functionality-in-ASPNet-GridView-control-using-JavaScript

http://www.aspsnippets.com/Articles/Implement-check-all-checkbox-functionality-in-ASPNet-GridView-control-using-JavaScript.aspx

http://www.aspsnippets.com/Articles/Delete-multiple-rows-in-GridView-with-CheckBox-selection-and-with-confirmation-in-ASPNet.aspx

Dynamic CAML query generation

https://camlex.codeplex.com/