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procedure TForm1.dxDBGrid1ColumnClick(Sender: TObject;
Column: TdxDBTreeListColumn);
begin
if (ADOQuery1.FieldByName('列三').Value<>'') and (Column.Field.FieldName ='列一')
then
begin
showmessage('abc');
end;
end;
procedure TForm1.dxDBGrid1ColumnClick(Sender: TObject;
Column: TdxDBTreeListColumn);
begin
if (ADOQuery1.FieldByName('列三').Value<>'') and (Column=dxDBGrid1.column[0])
then
begin
showmessage('abc');
end;
end;