📄 datamodule.~pas
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unit DataModule;
interface
uses
Windows,SysUtils, Classes, DB, ADODB;
type
TData = class(TDataModule)
Connection: TADOConnection;
procedure DataModuleCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Data: TData;
implementation
{$R *.dfm}
procedure TData.DataModuleCreate(Sender: TObject);
var Path:string;
begin
Path:=ExtractFilePath(ParamStr(0));
Connection.ConnectionString:='Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+
Path+'onlineexam.mdb;Persist Security Info=true';
try
Connection.Open;
except
MessageBox(0,'无法打开数据库','错误',MB_OK);
end;
end;
end.
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