Cant send more data in WCF in silverlight and cant add behavior configuration in client endpoint

Hi Everyone,

Error Message:
The InnerException message was 'Maximum number of items that can be serialized or deserialized in an object graph is '65536'. Change the object graph or increase the MaxItemsInObjectGraph quota. '.  Please see InnerException for more details.

                    I cant send message more than 2849.I'm getting some error if i try  to send mor than 2849.Then i came to know that problem in deserialization and i found solution below link.

http://dotnetdev-lakshmi.blogspot.com/2011/01/wcf-errors.html

But i cant able to add behaviourconfiguration into endpoint(client side)

http://stackoverflow.com/questions/5111815/problem-adding-a-behaviors-element-to-my-wcf-client-config

now how can add behavior configuration in client configuration .............Really its headache since two days......

plz anyone can help me out?