Hello tarun n juneja：）

You can offer an English version if the OP is from English-speaking country：http://support.microsoft.com/kb/308507/en-us

Hello Op：）

You can use "tarun n juneja"'s SqlCommandBuilder and then create new DataRow, and in the end, just call adapter.Update("dt") to finish inserting rows.

However to be simple, I'd like to recommand you using SqlCommandBuilder for a single table with primary key assigned.

Thx again.