DataSource Controls :: Bulk Update In Table Using Dataset With Only Differences?

Feb 25, 2010

I select few columns from table A in dataset. Example "EMP_ID","Name","Address","Phone_Number". I want to save data in this dataset into some other table B.

I want to save data from dataset into table B. But i want to have following functionality

1. Before saving a record from dataset to table B if that record if previously present in table B, if yes then check if any value are different, if yes then update that record with the record from dataset, if all the values are same then leave the records as is.

2. If the record is not present in table B then insert it new records in table B from dataset.

Is there any efficient way to implement in .NET C#.

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