c# - AjaxControlToolKit HTMLExtender ImageUpload works on localhost, not server -

c# - AjaxControlToolKit HTMLExtender ImageUpload works on localhost, not server -

so, i've looked on everyone's questions, , can't seem find reliable answer. find hard believe ajaxcontroltoolkit release item couldn't work on public facing website. here's question.

my ajaxcontroltoolkit htmlextender imageupload function works swimmingly on localhost when test, moment test on live address (which behind login in custom cms), can't file post server. have same .dlls, same web.config, same everything, response in chrome inspector:

uncaught error raising upload finish event , start new upload       t.onreadystatechange

any suggestions on start?

c# asp.net ajax ajaxcontroltoolkit htmlextensions