Silverlight app debugging when used WCF RIA and Entity Framework

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WCF

Silverlight4

RIA

Hi
I am working on an app where I am using WCF RIA services and entity framework.

On laod,i have written a method which gets a list of schedules from database(as fetched using RIA method LoadOperation<>).

I have put a breakpoint on the method,but when I debug it the list shows 0 count and when I bind the empty list to datagrid,the grid shows all records.

How's this possible.

I got stuck in between

Kindly help for the same!!!

Thanks
Piyush