After testing If the options in the drop-down box will seriously affect the display speed of the page.
But up to multiple options are not tested.
I am now using data per page on the pagination, 18,000,000.
There are about 12,000 pagings, 12,000 options in the fixed drop box, the page display speed is about 10 seconds.
When I don't use the drop-down box, the page display speed is only the time required for the page execution. That is, the display time is almost 0.
I think it is best not to more than 200 options.
If you encounter such problems, it is best to recommend that users use the text box trip button to flip.
