Jscript Runtime Error Sys Is Undefined
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0x800a1391 - Javascript Runtime Error 'system' Is Undefined
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Sys.webforms.pagerequestmanager Undefined
is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Microsoft JScript runtime error: 'Sys' is undefined up vote 12 down vote favorite 2 I have a page with the following code on it: When the page loads I get the following error: Microsoft JScript runtime error: 'Sys' is undefined I'm using Visual Studio 2008 Standard Edition. What is causing this error? asp.net javascript asp.net-ajax share|improve this question asked Dec 19 '09 at 2:07 Achilles 6,088542102 add a comment| 4 Answers 4 active oldest votes up vote 30 down vote accepted Is your script block ahead of your ScriptManager? http://encosia.com/2007/08/16/updated-your-webconfig-but-sys-is-still-undefined/ share|improve this answer answered Dec 19 '09 at 5:40 Oscar 15.2k71185327 add a comment| up vote 6 down vote You should place your script code at the end of your page, after all your content but just before the end tag. between end form tag and end body tag Here’s the code you need, in its rightful place: ...
enter code here