The project illustrates how to compare and merge data which from different datasources. In this sample, we store some data in xml file and SQL Server database respectively. We need to compare the data from different datasources and display the columns with one GridView Control. If the records ID are equal we need to set the status column as "ok". Otherwise the status column should be set as "null". When we display the columns from different datasources we may need to merge the datasets in order to bind to GridView Control.
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