public void AddOrder_Details_ExtendedRow(Order_Details_ExtendedRow row) {
     this.Rows.Add(row);
 }
 public void RemoveOrder_Details_ExtendedRow(Order_Details_ExtendedRow row) {
     this.Rows.Remove(row);
 }
 public Order_Details_ExtendedRowChangeEvent(Order_Details_ExtendedRow row, System.Data.DataRowAction action) {
     this.eventRow = row;
     this.eventAction = action;
 }