Hey dude,
Please help me out this problem,
in case i have page which contains RadTabStrib, in RadPageView i have few radsplitter for handle RadSlidingZone, the problem come when i want trigger button which request ajaxmanager to load other page to iframe in parent page, and then when i want to back too parent, the radsplitter was gone (blank),
check this out my code, on pasetebin
http://pastebin.com/FfWU2nbT -> for aspx
http://pastebin.com/4ADwNmNy -> for cs code