main.pas

ODAC+SDAC源代码

unit Main;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  DBCtrls, ExtCtrls, Db, Grids, DBGrids, StdCtrls, ToolWin,
  ComCtrls, MemDS, DBAccess, MSAccess, SdacVcl;

type
  TfmMain = class(TForm)
    MSConnection: TMSConnection;
    DBGrid: TDBGrid;
    DataSource: TDataSource;
    MSConnectDialog: TMSConnectDialog;
    ToolBar: TPanel;
    btOpen: TButton;
    btClose: TButton;
    btPrepare: TButton;
    btUnPrepare: TButton;
    btExecute: TButton;
    DBNavigator: TDBNavigator;
    StatusBar: TStatusBar;
    Panel1: TPanel;
    edTableName: TEdit;
    Label1: TLabel;
    MSTable: TMSTable;
    Label3: TLabel;
    edOrderFields: TEdit;
    cbDebug: TCheckBox;
    procedure btOpenClick(Sender: TObject);       
    procedure btCloseClick(Sender: TObject);
    procedure btPrepareClick(Sender: TObject);
    procedure btUnPrepareClick(Sender: TObject);
    procedure btExecuteClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure edTableNameExit(Sender: TObject);
    procedure edOrderFieldsExit(Sender: TObject);
    procedure cbDebugClick(Sender: TObject);
  private
    { Private declarations }
    procedure ShowState;
  public
    { Public declarations }
  end;

var
  fmMain: TfmMain;

implementation

{$R *.DFM}

procedure TfmMain.ShowState;
var
  St:string;

  procedure AddSt(S:string);
  begin
    if St <> '' then
      St:= St + ', ';
    St:= St + S;
  end;

begin
  St:= '';

  if MSTable.Prepared then begin
    AddSt('Prepared');

    if MSTable.IsQuery then
      AddSt('IsQuery');
  end;

  if MSTable.Active then
    AddSt('Active')
  else
    AddSt('Inactive');

  StatusBar.Panels[0].Text:= St;
end;

procedure TfmMain.btOpenClick(Sender: TObject);
begin
  try
    MSTable.Open;
  finally
    ShowState;
  end;
end;

procedure TfmMain.btCloseClick(Sender: TObject);
begin
  MSTable.Close;
  ShowState;
end;

procedure TfmMain.btPrepareClick(Sender: TObject);
begin
  try
    MSTable.Prepare;
  finally
    ShowState;
  end;
end;

procedure TfmMain.btUnPrepareClick(Sender: TObject);
begin
  MSTable.UnPrepare;
  ShowState;
end;

procedure TfmMain.btExecuteClick(Sender: TObject);
begin
  try
    MSTable.Execute;
  finally
    ShowState;
  end;
end;

procedure TfmMain.FormShow(Sender: TObject);
begin
  edTableName.Text:= MSTable.TableName;
  edOrderFields.Text:= MSTable.OrderFields;
  cbDebug.Checked:= MSTable.Debug;
  ShowState;
end;

procedure TfmMain.edTableNameExit(Sender: TObject);
begin
  MSTable.TableName:= edTableName.Text;
  ShowState;
end;

procedure TfmMain.edOrderFieldsExit(Sender: TObject);
begin
  MSTable.OrderFields:= edOrderFields.Text;
  ShowState;
end;

procedure TfmMain.cbDebugClick(Sender: TObject);
begin
  MSTable.Debug:= cbDebug.Checked;
end;

end.