How do you insert bulk items to DB? ( use SQL Server 2000)

I have a DataGrid which ablut 3000 rows or more
I place 1 dropdownlist in datagrid
after user click the submit button I want to update DataTable
the layout looks like this


*this is a DataGrid
No                         Permit  ( this column place a Dropdownlist the value is Y and N)  
1                                  Y
2                                  N
3                   ...