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±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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