After deleting items from grid, paging doesn't get refreshed.
After deleting all items from last page grid disappears as Pager Index doesn't get updated to previous page.
I tried updating PagingIndex manually but it didnt work.
Found a similar thread open on this issue...Is it a bug with telerik?
http://www.telerik.com/community/forums/aspnet-ajax/docking/radgrid-pager-does-not-getting-refreshed-on-item-deletion.aspx