question about RejectChanges,i know it is ok for a dataset and a row ,but is it possible to work only for a cell?

hi

   i have a mysql dataset and i tried

DataSet.table.Rows[0].RejectChanges();
and
DataSet.table.RejectChanges();
  but if i want only one cell (row,column),is it possible to make RejectChanges?
   thank u very much
best regards
martin