Anthem.NET

add the following in the web.config &ltsystem.web&gt &ltglobalization requestEncoding="utf-8" responseEncoding="utf-8" /&gt &lt/system.web&gt I was facing the problem of unclosed termination tags in the function Anthem_GetResult (in Anthem.js) when the file upload control was populated and any async postback occured on the page. this addition to the Globalization tag solved it.