enable/disable collapsible menu

hi iam working on asp.net using c# project...iam facing a problem...the problem is,i had a master page in which iam using collapse panel(ajax control)...

in collapse panel i had folders like:- xyz abc def ghi....

and in xyz folder i had some forms....

nw the problem is that i had a search menu in my main page(comes after user login)...after searching a grid view is open and in that there is a column name (suppose) XYZ...so when i click on any item in that column then only i want xyz folder in collapsible panel to be enable or viewed so that i can access forms in that folder....how cud i do that..i search alot but didn't get the solution..plz help me go through this...