It can be done by DataSet and dataTableAdapter by which the datagridview bind.
Ckeck your dataadapter have queies of Insert/delete/update
Take a button and on click of this button
private void button2_Click(object sender, EventArgs e)
{
try
{
requesterTableAdapter.Update(requesterFileInventoryDataSet.Requester);
MessageBox.Show("Record Updated", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception ex)
{
MessageBox.Show("Some Error in Update", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}