How to find Duplicate record using silverlight web service
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Dear all, I have a maintenance database table(having ColA(primary) and ColB(varchar)) being records inserted using asynchronous web service.Before inserting a new record into table on save button click event,i have to check uniqueness of record.So, When i send query request to check with given record Webservice completed event is raised after the save button click event.So, I am not able to check the uniqueness using asynchronous web services.Please help me in finding a solution for this. regards, Sundeep G