怎样用代码实现对Access数据库的密码进行操作:设置、删除、修改密码
这个问题我在另外一个帖子发出有一个星期了,还没有得到解答,请各位高
手帮帮忙吧。附另一帖子的地址:
http://expert.csdn.net/Expert/topic/1505/1505594.xml?temp=3.152102E-02

解决方案 »

  1.   

    可行的方法:
    记得uses加上ComObj,ActiveXfunction CompactDatabase(AFileName,APassWord:string;ANewPassWord:string=''):boolean;
    //压缩与修复数据库,覆盖源文件
    var
      STempFileName:string;
      vJE:OleVariant;
    begin
      //if ANewPassWord='' then ANewPassWord:=APassWord;
      STempFileName:=GetTempPathFileName;
      try
        vJE:=CreateOleObject('JRO.JetEngine');
        vJE.CompactDatabase(format(SConnectionString,[AFileName,APassWord]),
            format(SConnectionString,[STempFileName,ANewPassWord]));
        result:=CopyFile(PChar(STempFileName),PChar(AFileName),false);
        DeleteFile(STempFileName);
      except
        result:=false;
      end;
    end;function GetTempPathFileName():string;
    var
      SPath,SFile:array [0..254] of char;
    begin
      GetTempPath(254,SPath);
      GetTempFileName(SPath,'~SM',0,SFile);
      result:=SFile;
      DeleteFile(result);
    end;