unit1.pas

当你写的程序希望移植到别的电脑上要安装数据库时我这个程序可以为您的程序实现数据库的连接。

unit Unit1;

interface

uses
  Windows,IniFiles, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, ADODB, Grids, DBGrids;

type
  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    ADOTable1: TADOTable;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
Var
  SetIni:TIniFile;
  ADOConnectString:String;
begin
  ADOConnection1.Connected := False;
  Self.ADOConnection1.ConnectionString :='';
  SetIni := TiniFile.Create(ExtractFilePath(Application.ExeName)
            +'Database.ini');
  ADoConnectString:='';

  ADOConnectString:= Setini.ReadString('Common','UseLink','');
  SetIni.Free;
  Self.ADOConnection1.ConnectionString := ADOConnectString;

  Try
    ADOConnection1.Connected := true;
  except
    begin
    showmessage('连接出错');
    halt
    end;
  end;
  ADoTAble1.Active :=True;


end;

end.