Значение DBLookupComboBox
Я думаю что у меня есть то, что вы хотите. Если вы обратитесь к свойству LookUpValue, то вы получите поле, которое .... ищете.
Я надеюсь что помог вам.
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unit clookup; interface uses SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, DB, DBLookup; type TDBJustLookupCombo = class(TDBLookupCombo) private { Private declarations } protected { Protected declarations } function GetLValue: TField; public { Public declarations } property LookUpValue: TField read GetLValue; published { Published declarations } end; TDBJustLookupList = class(TDBLookupList) private { Private declarations } protected { Protected declarations } function GetLValue: TField; public { Public declarations } property LookUpValue: TField read GetLValue; published { Published declarations } end; procedure Register; implementation procedure Register; begin RegisterComponents('Data Controls', [TDBJustLookupList, TDBJustLookupCombo]); end; function TDBJustLookupCombo.GetLValue: TField; begin Result := LookupSource.DataSet.FieldByName(LookUpField); end; function TDBJustLookupList.GetLValue: TField; begin Result := LookupSource.DataSet.FieldByName(LookUpField); end; end. |
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