Files
lazarus-ccr/components/zmsql/demo/project1/unit1.pas

79 lines
1.7 KiB
ObjectPascal

unit Unit1;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls,
DbCtrls, DBGrids, ZMConnection, ZMQueryDataSet, db;
type
{ TForm1 }
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
ComboBox1: TComboBox;
Datasource1: TDatasource;
DBGrid1: TDBGrid;
DBNavigator1: TDBNavigator;
Label1: TLabel;
ZMConnection1: TZMConnection;
ZMQueryDataSet1: TZMQueryDataSet;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
{ TForm1 }
procedure TForm1.Button1Click(Sender: TObject);
var
db: String;
begin
db := ZMQueryDataset1.ZMConnection.DatabasePath + ZMQueryDataset1.TableName + '.csv';
ShowMessage('Data is going to be loaded from: '+ db);
ZMQueryDataset1.LoadFromTable;
end;
procedure TForm1.Button2Click(Sender: TObject);
var
vOriginalTableName:string;
vOrigDelim: TFieldDelimiter;
begin
try
vOriginalTableName:=ZMQueryDataset1.TableName;
vOrigDelim := ZMQueryDataset1.FieldDelimiter;
ZMQueryDataset1.TableName:='Test';
ZMQueryDataset1.FieldDelimiter := TFieldDelimiter(Combobox1.ItemIndex);
ShowMessage('Dataset is going to be saved to: '+
ZMQueryDataset1.ZMConnection.DatabasePath +
ZMQueryDataset1.TableName+'.csv');
ZMQueryDataset1.SaveToTable(FormatSettings.DecimalSeparator);
finally
ZMQueryDataset1.FieldDelimiter := vOrigDelim;
ZMQueryDataset1.TableName:=vOriginalTableName;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
ZMConnection1.DatabasePath := '..\data\';
end;
end.