public void AddUDF_HEADRow(UDF_HEADRow row) {
     this.Rows.Add(row);
 }
 public void RemoveUDF_HEADRow(UDF_HEADRow row) {
     this.Rows.Remove(row);
 }
 public UDF_HEADRowChangeEvent(UDF_HEADRow row, System.Data.DataRowAction action) {
     this.eventRow = row;
     this.eventAction = action;
 }