Hi,
Is not possible? :(
Hi, What you can do is to configure te button as postbacktrigger, that option is able in updatepanel's properties in triggers, sorry by my english, hope can help you!!
There are a few forum threads on this topic. Here's a link to a post I made earlier with an explanation of why this occurs and what can be done about it:http://forums.infragistics.com/forums/p/19171/70448.aspx#70448