你这样写:
begin
try begin
with ADOConnection do begin
Connected := False;
ConnectionString := 'Provider=MSDAO.Jet.4.0;Data Source=';
ConnectionString := ConnectionString + OpenDialog1.FileName;
ConnectionString := ConnectionString + ';User ID=admin;';
ConnectionString := ConnectionString + 'Password=;';
ConnectionTimeOut := 30;
LoginPrompt := False;
KeepConnection := True;
Connected := True;
end;
end;
except
on e: Exception begin
ShowMessage('Connect to DB failed : ' + e.Message);
Exit;
end;
end;
end;
begin
try begin
with ADOConnection do begin
Connected := False;
ConnectionString := 'Provider=MSDAO.Jet.4.0;Data Source=';
ConnectionString := ConnectionString + OpenDialog1.FileName;
ConnectionString := ConnectionString + ';User ID=admin;';
ConnectionString := ConnectionString + 'Password=;';
ConnectionTimeOut := 30;
LoginPrompt := False;
KeepConnection := True;
Connected := True;
end;
end;
except
on e: Exception begin
ShowMessage('Connect to DB failed : ' + e.Message);
Exit;
end;
end;
end;
ADOC.Connected:=TRUE;
//ExtractFilePath(Application.ExeName)+'data\meter_3.mdb;我的数据库的绝对地址
ADOC.Connected:=TRUE;
//ExtractFilePath(Application.ExeName)+'data\meter_3.mdb;我的数据库的绝对地址