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tableDB.ConnectionString:='Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+ ExtractFilePath(dir) +';Extended Properties=dBase 5.0;Persist Security Info=False;';
       tableDB.ConnectionString:='Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+ExtractFilePath(dir)+';Extended Properties=dBASE IV;User ID=Admin;Password=;';
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       tableDB.ConnectionString:='Provider=MSDASQL.1;Driver=Microsoft Visual Foxpro Driver;SourceDB='+ExtractFilePath(dir)+';SourceType=DBF;';


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ÔΣ¬delphi 7 ÓÐÁ½¸ö°æ±¾µÄ SelectDirectory

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unit QDialogs;
{$IFDEF LINUX}
function SelectDirectory(const Caption, Root: WideString;
  var Directory: WideString; ShowHidden: Boolean = False): Boolean;
{$ENDIF}
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ÎļþÃû:  Delphi×é¼þ²Î¿¼´óÈ«.rar
ÏÂÔØµØÖ·:  http://www.rayfile.com/files/678ca1e3-f73f-11de-9d02-0014221b798a/
ÎļþÃû:  DelphiÐÅϢϵͳ¿ª·¢ÊµÀý¾«Ñ¡.rar
ÏÂÔØµØÖ·:  http://www.rayfile.com/files/fb328f02-f73e-11de-8a76-0014221b798a/
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Ê×Ïȿ϶¨ÊÇÎÒÃǾ­³£¿´¼ûµÄIFÓï¾ä¿©. Var
I: Integer;
Begin
I:= 99;
If (I> 0)And (I< 0) Then
Writeln('I>0')
Else
If (I> 10)And (I< 100) Then
Writeln('I>10 and I100');
End.
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