{ This file is part of the Free Component Library. Copyright (c) 2017 Michael Van Canneyt, member of the Free Pascal development team Preview form for data in FPReport Data loop classes based on TDataset. See the file COPYING.FPC, included in this distribution, for details about the copyright. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. **********************************************************************} unit frmfpreportpreviewdata; {$mode objfpc}{$H+} interface uses Classes, SysUtils, db, FileUtil, Forms, Controls, Graphics, Dialogs, ButtonPanel, DbCtrls, DBGrids, reportdesignbaseforms; type TForm = TBaseReportDataPreviewForm; { TReportDataPreviewForm } TReportDataPreviewForm = class(TForm) ButtonPanel1: TButtonPanel; DSPreview: TDataSource; GPreview: TDBGrid; NPreview: TDBNavigator; procedure FormClose(Sender: TObject; var CloseAction: TCloseAction); procedure FormShow(Sender: TObject); protected procedure SetDataSet(AValue: TDataset); override; end; var ReportDataPreviewForm: TReportDataPreviewForm; implementation {$R *.lfm} { TReportDataPreviewForm } procedure TReportDataPreviewForm.FormShow(Sender: TObject); Var I : integer; begin PreviewDataset.Open; For I:=0 To GPreview.Columns.Count-1 do if GPreview.Columns[i].Width>200 then GPreview.Columns[i].Width:=200; end; procedure TReportDataPreviewForm.FormClose(Sender: TObject; var CloseAction: TCloseAction); begin CloseAction:=caFree; end; procedure TReportDataPreviewForm.SetDataSet(AValue: TDataset); begin Inherited; DSPreview.DataSet:=PreviewDataset; end; begin ReportDataPreviewClass:=TReportDataPreviewForm; end.