commiting changes made to a typed dataset

hello,
i am writing an app in c# which reads data from Excel files and submits
them to an sqlserver database. the db is not going to be modified by
others during the excecution of the program. also the db has many
tables with complex relations.

1. i created a typed dataset of the datasource
2. the data read from an excel file are being inserted as new rows in
corresponding tables of the dataset
3. finally all the added rows have to be submitted to the datasource

the problem is i can't figure out how to do step 3: submit the changes
to the datasource. i thought there should be a way of synchronising the
dataset with the datasource in one move and in one place (i.e. main()
). is that possible??

please help, i am running out of time....
dimitrisx

.

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