Data Saved but thrown exception. #87

Hi From the Program,

ODataChangesetsExample

System creates a Record in DB , but exception is raised. I have checked the count of record in SQL. it shows the record created.

yet the programe isthrowing exception
Console.WriteLine(string.Format("Invoice {0} - Save Failed !", salesOrderNumber));

Not sure what is the issue. Can some one explain andhelp.

Thanks
Raj