From DataSet
DataTable dtStates = dsStates.Tables[0].DefaultView.ToTable(true, “state”);
From DataTable
DataTable dtResult = dtTemp.DefaultView.ToTable(true, “HistoryDate”);
From DataView
DataTable dtResult = dtView.ToTable(true, “HistoryDate”);
true or false returns do u want to distict row or not.
history date: is a column name