david
5678df5538
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@31 05c56307-c608-d34a-929d-697000501d7a
99 lines
2.6 KiB
ObjectPascal
99 lines
2.6 KiB
ObjectPascal
unit ViewTableSimpleDemoData;
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interface
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uses
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SysUtils, Classes, DB, cxStyles, cxClasses, cxGridTableView,
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Forms, DBTables;
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type
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TViewTableSimpleDemoMainDM = class(TDataModule)
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qreFilmsID: TIntegerField;
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qreFilmsCAPTION: TStringField;
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qreFilmsYEAR: TIntegerField;
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qreFilmsTAGLINE: TStringField;
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qreFilmsPLOTOUTLINE: TStringField;
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qreFilmsRUNTIME: TIntegerField;
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qreFilmsCOLOR: TStringField;
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qreFilmsPHOTO: TBlobField;
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qreFilmsICON: TBlobField;
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qreFilmsWEBSITE: TStringField;
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Database: TDatabase;
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UpdateSQL: TUpdateSQL;
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qreMaxFilmsID: TQuery;
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qreMaxFilmsIDMAXOFID: TIntegerField;
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procedure qreFilmsAfterDelete(DataSet: TDataSet);
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procedure qreFilmsBeforeDelete(DataSet: TDataSet);
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procedure qreFilmsAfterInsert(DataSet: TDataSet);
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procedure qreFilmsAfterPost(DataSet: TDataSet);
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private
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FUpdating: Boolean;
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published
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tlbGENRES: TTable;
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dsGENRES: TDataSource;
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qreFilms: TQuery;
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dsFilms: TDataSource;
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tlbGENRESID: TAutoIncField;
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tlbGENRESNAME: TStringField;
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tblFilms: TTable;
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tblFilmsGenres: TTable;
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tblFilmsID: TAutoIncField;
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tblFilmsCAPTION: TStringField;
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tblFilmsYEAR: TIntegerField;
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tblFilmsTAGLINE: TStringField;
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tblFilmsPLOTOUTLINE: TStringField;
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tblFilmsRUNTIME: TIntegerField;
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tblFilmsCOLOR: TStringField;
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tblFilmsPHOTO: TBlobField;
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tblFilmsICON: TBlobField;
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tblFilmsWEBSITE: TStringField;
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tblFilmsGenresID: TAutoIncField;
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tblFilmsGenresFILMID: TIntegerField;
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tblFilmsGenresGENREID: TIntegerField;
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end;
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var
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ViewTableSimpleDemoMainDM: TViewTableSimpleDemoMainDM;
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implementation
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{$R *.dfm}
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procedure TViewTableSimpleDemoMainDM.qreFilmsAfterDelete(
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DataSet: TDataSet);
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begin
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if ViewTableSimpleDemoMainDM.qreFilms.UpdatesPending then
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qreFilms.ApplyUpdates;
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end;
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procedure TViewTableSimpleDemoMainDM.qreFilmsBeforeDelete(
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DataSet: TDataSet);
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begin
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if tblFilmsGenres.Locate('FILMID', tblFilmsID.Value, []) then
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tblFilmsGenres.Delete;
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end;
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procedure TViewTableSimpleDemoMainDM.qreFilmsAfterInsert(
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DataSet: TDataSet);
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begin
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FUpdating := True;
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end;
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procedure TViewTableSimpleDemoMainDM.qreFilmsAfterPost(DataSet: TDataSet);
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begin
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qreFilms.ApplyUpdates;
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if FUpdating then
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begin
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FUpdating := False;
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qreMaxFilmsID.Active := False;
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qreMaxFilmsID.Active := True;
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tblFilmsGenres.Insert;
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tblFilmsGenresFILMID.Value := qreMaxFilmsIDMAXOFID.Value;
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tblFilmsGenresGENREID.Value := tlbGENRESID.Value;
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tblFilmsGenres.Post;
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end;
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end;
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end.
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