Multiple ValidationSummary Control problem in vs 2012

Hi All,

              We have migrated our project source from vs2010 to vs2012. we are facing script problem "Object Expected" on the pages where we have used multipe validationSummary Control. The pages are working fine when we used one ValidationSummary Control, for multiple ValidationSummary Controls page throw the script error. If any one have solution, please help me.

Waiting for your kind respone.