To every poor soul trying to make Ajaxify Timer sample from page http://demos.telerik.com/aspnet-ajax/ajax/examples/common/ajaxifytimer/defaultcs.aspx to work in Master page scenario:
You have to set
(as described in similar this and more specific this thread).
Cheers,
Jacek
You have to set
ClientIDMode="AutoID"
(as described in similar this and more specific this thread).
Cheers,
Jacek