wad issue

Hi all

can any one tell me how to resolve this following issue.

i am trying to change the legends of web items in wad.few of my web items having same query assigned.so when ever i am trying to change the legend of one web item its is also reflecting other web items as well.i want to reflect to one web item only.is it possible in wad or i need to write some code.dataprovider are different.

its urgent!

thanks

shalini