изменение строк в ListView

[Aliens_wolfs]

unit UnitRashod;

 interface

 uses
 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
 Dialogs, StdCtrls, Grids, ExtCtrls, ComCtrls, Menus;

 type
 TFormRashod = class(TForm)
 Panel2: TPanel;
 PopupMenuRashod: TPopupMenu;
 NUdRashod: TMenuItem;
 Panel3: TPanel;
 Label1: TLabel;
 Label4: TLabel;
 Label5: TLabel;
 LabelItogRashod: TLabel;
 Label7: TLabel;
 Label6: TLabel;
 Label2: TLabel;
 NIzmRashod: TMenuItem;
 NDobRashod: TMenuItem;
 Label3: TLabel;
 Label8: TLabel;
 Label9: TLabel;
 Label10: TLabel;
 Label11: TLabel;
 Label12: TLabel;
 Label13: TLabel;
 Label14: TLabel;
 Label15: TLabel;
 Label16: TLabel;
 Label18: TLabel;
 Label19: TLabel;
 Label20: TLabel;
 TimerRashod: TTimer;
 ListViewRashod: TListView;
 procedure NIzmRashodClick(Sender: TObject);
 procedure NDobRashodClick(Sender: TObject);
 procedure ListViewRashodSelectItem(Sender: TObject; Item: TListItem;
 Selected: Boolean);
 private
 { Private declarations }
 public
 { Public declarations }
 end;


 //Добавить это но не в Public а сюда это отдельный тип массива
type
 TItemList = record
 AllDateArray: TDateTime;
 summa, skidka: currency;
 val, schet, com, statya: string;
 end;