save new rows in grid

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how can i insert only new rows from grid into database and only update the existing rows.
how to find which is new and which are existing rows ?

Posted 31-Mar-11 9:55am

Rohit.Net100

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Wendelius · Answer 1 · 2011-03-31T10:00:00

Solution 1

Taken this is Sql Server and you're using a DataSet, you can use SqlDataAdapter[^].

If you need to know the modified, inserted, deleted records from a datatable you can use GetChanges[^] method.

Posted 31-Mar-11 10:00am

Wendelius