ok i will do it for u.
A datagridview accept the datasource in the structured data format.you can use dataset, datatable, even a single datarow.
to add data in your gridview.
1.fetch data from database with the help of adopters.
2.use this adopter to fill dataset/datatable.
3.assign the dataset/datatable as a sourse of your grid.
look at this example:
DataGrid.DataSource Property[
^]
every time you perform an operation on your grid. you must clear dataset first, then reload it with the new adopters.