how can Combo to do like this

hi dear.

http://t1.qpic.cn/mblogpic/781b8a81fd0bf8637186/2000
http://t1.qpic.cn/mblogpic/4836c52f9a5e6ea1684a/2000

picture can not open? https://twitter.com/sufeicn/status/732433446916628481/photo/1

for example, try this variant http://webix.com/snippet/65de9c5a
(it’s not Combo, this is datatable with Filter in header)

thank you ,but I want to try Combo,like my picture that

Hi,

please check the following:

http://webix.com/snippet/8e4b0642

thank you very much.
：）