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{
$Id: dbftest.pp,v 1.2 2001/01/18 12:40:41 sg Exp $
fpGUI - Free Pascal Graphical User Interface
Copyright (C) 2001 by
Areca Systems GmbH / Sebastian Guenther, sg@freepascal.org
DBF database test
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.
}
program DBFTest;
uses
SysUtils, Classes, fpGFX, fpGUI, fpGUI_DB, DB, DBF;
type
{ TMainForm }
TMainForm = class(TFForm)
DataSet: TDBF;
DataSource: TDataSource;
Box: TFBoxLayout;
ListBox: TFListBox;
CurDataseTFLabel: TFLabel;
CurNameText, CurEMailText: TDBText;
Navi: TFBoxLayout;
FirstDataset, PrevDataset, NextDataset, LastDataset: TFButton;
CurEmailEdit: TDBEdit;
procedure FormCreate(Sender: TObject);
procedure FirstDatasetClick(Sender: TObject);
procedure PrevDatasetClick(Sender: TObject);
procedure NextDatasetClick(Sender: TObject);
procedure LastDatasetClick(Sender: TObject);
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
end;
// -------------------------------------------------------------------
// TMainForm
// -------------------------------------------------------------------
procedure TMainForm.FormCreate(Sender: TObject);
var
x: Integer;
s: String;
begin
DataSet := TDBF.Create(Self);
DataSet.TableName := 'test.dbf';
DataSource := TDataSource.Create(Self);
DataSource.DataSet := DataSet;
CurNameText.DataSource := DataSource;
CurNameText.DataField := 'Name';
CurEMailText.DataSource := DataSource;
CurEMailText.DataField := 'Address';
CurEmailEdit.DataSource := DataSource;
CurEmailEdit.DataField := 'Address';
DataSet.Open;
CurEmailEdit.Field.ReadOnly := True;
while not DataSet.EOF do
begin
SetLength(s, 0);
for x := 0 to DataSet.FieldCount - 2 do
s := s + DataSet.Fields[x].AsString + ', ';
s := s + DataSet.Fields[DataSet.FieldCount - 1].AsString;
ListBox.Items.Add(s);
DataSet.Next;
end;
DataSet.First;
end;
procedure TMainForm.FirstDatasetClick(Sender: TObject);
begin
DataSet.First;
ReDraw; // a hack to get around a TFLabel.SetText issue
end;
procedure TMainForm.PrevDatasetClick(Sender: TObject);
begin
DataSet.Prior;
ReDraw; // a hack to get around a TFLabel.SetText issue
end;
procedure TMainForm.NextDatasetClick(Sender: TObject);
begin
DataSet.Next;
ReDraw; // a hack to get around a TFLabel.SetText issue
end;
procedure TMainForm.LastDatasetClick(Sender: TObject);
begin
DataSet.Last;
ReDraw; // a hack to get around a TFLabel.SetText issue
end;
constructor TMainForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
LoadForm(self);
end;
destructor TMainForm.Destroy;
begin
DataSet.Close;
DataSource.Free;
DataSet.Free;
inherited Destroy;
end;
var
MainForm: TMainForm;
begin
// WriteLn('Version: ' + {$I %date%} + ' ' + {$I %time%});
GFApplication.Initialize;
MainForm := TMainForm.Create(GFApplication);
try
MainForm.Show;
GFApplication.Run;
finally
MainForm.Free;
end;
end.
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