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procedure TForm4.BitBtn2Click(Sender: TObject);
begin
if (Trim(ComboBox2.Text) <>'')and(Trim(Edit3.Text) <>'')then
begin
with ADOQuery1 do
begin
Close;
SQL.Clear;
SQL.Add('select * from ×÷Òµµ¥×ÊÁÏ where');
SQL.Add(Trim(ComboBox2.Text));
SQL.Add('= :a');
Parameters.ParamByName('a').Value := Trim(Edit3.Text);
Open;
end;
if ADOQuery1.RecordCount >0 then
begin
DataSource1.DataSet := ADOQuery1;
end
else
begin
DataSource1.DataSet := Nil;
Application.MessageBox('ÐÅÏ¢²»È«»ò²»´æÔÚ¡£','Ìáʾ',64);
end;
end;
end;
DataSource1.DataSet := ADOQuery1;(Õâ¾äÔËÐеÄʱºò´íÎó)
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