asp.net mvc - jQuery initiating a extra call to server -

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i have asp.net mvc application , on 1 of page; have button sends ajax request load data (data request goes web api have created) in kendo listview control have on page. there 4 kendo list views on page , data getting binded them on click of button. how bind data 1 of 4 kendo list view below:

@(html.kendo().listview<carecomplete.data.core.viewmodel.personinfo>()                       .name("otherlistview").tagname("div")                       .clienttemplateid("templateperson")                       .pageable(page =>                       {                           page.messages(mess => mess.display(constants.showingpersonperpage + " others"));                           page.pagesizes(appsettings.pagingarray).messages(mes =>                           {                               mes.itemsperpage(string.format(constants.personperpage, "other persons"));                               mes.empty(string.format(constants.nopersonfound, "other person"));                           });                           page.buttoncount(appsettings.pagingoptioncount);                       })                       .datasource(datasource =>                       {                           datasource.read((read => read.url(personinfourl).type(httpverbs.get).data("otherdatafilter")));                           datasource.pagesize(appsettings.defaultpagesize);                        }).events(events => events.databound("onotherdatachange"))                       .autobind(false)//not load list automatically             )``

in addition 4 data bind request 2 more requests going server whenever clicking button evident in browser developer tools "network".

http://test.com:54785/null

http://test.com:54785/undefined

for quick reference attached screen shot of browser developer tools.

i can see originating jquery-2.1.1.js file; not find problem.

can me on this?

thanks,


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