public void SubscribeEvents(DataTable dt)
{
dt.RowChanging += new DataRowChangeEventHandler(dt_RowChanging);
dt.RowChanged += new DataRowChangeEventHandler(dt_RowChanged);
dt.RowDeleted += new DataRowChangeEventHandler(dt_RowDeleted);
dt.RowDeleting += new DataRowChangeEventHandler(dt_RowDeleting);
//dt.TableNewRow += new DataTableNewRowEventHandler (dt_TableNewRow);
}