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ÎÒÒª²éѯX±íÖÐ ÊÕÈë = YµÄ ×Ö¶Î
±ÈÈç ÎÒÔÚSQLÖÐ ÊÇÕâôÊäÈëµÄ slect * from X where ÊÕÈë = y
ÔÚdelphi ÖÐ y ¾ÍÓÃedit1.textÀïÊäÈë  
begin
  adoquery1.Close;
  ADOQuery1.SQL.Clear;
  adoquery1.SQL.Add('select * from xmb where ÊÕÈë='+''''+trim(edit1.Text)+'''');
  try
  adoquery1.open;
  except
  showmessage('ûÓиÃÊÕÈë¼Ç¼');
  exit;
end;

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adoquery1.SQL.Add('select * from xmb where ÊÕÈë:= earn')
adoquery1.Parameters.ParamValues['earn'] := trim(edit1.Text);

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