getting error when clicking a button by javaScript to call codeBehind function

[Skope]

I need to call some codeBehind function from JavaScript. For this, I have a hidden button (\[code\]asp:Button\[/code\]). When I click this button from javaScript like:\[code\]var btn = document.getElementById("btnHidden");btn.click(); \[/code\]And there is a OnClick event in btnHidden button which call codeBehind functionBut I got an error:\[code\]System.Web.HttpException: The state information is invalid for this page and might be corrupted. \[/code\]Could you please help me?