((DataTable)bindingSource.DataSource).RowDeleted += GRID_RowDeleted;

 private void GRID_RowDeleted(object sender, DataRowChangeEventArgs e)
        {
 //запускаю функцию
                NumberLines(Convert.ToInt64(e.Row["id_subsbj", DataRowVersion.Default]), Convert.ToDateTime( e.Row["id_DateReport", DataRowVersion.Default]));
            
        }

 Message =This row has been removed from a table and does not have any data.  BeginEdit() will allow creation of new data in this row.

There is no Proposed data to access.

dataRow.Delete()

dataRow.Delete()