Possible Duplicate:
How to know which UpdatePanel causes the partial PostBack?
In case of multiple update panels on page how to know which update panel triggered the post back.
Possible Duplicate:
How to know which UpdatePanel causes the partial PostBack?
In case of multiple update panels on page how to know which update panel triggered the post back.
if You know where have you put update panels then you will be aware about that portions and if you/user rise any server side event in that particular area then only that particular area will be refreshed.