IE10 SCRIPT5009: ‘__doPostBack’ is undefined
There is apparently a bug in the browser definition files that shipped with .NET 2.0 and .NET 4. The definition files do not cater for IE10 as a browser version and hence defaults to a default definition which doesn’t support JavaScript. Scott Hanselman has a very detailed writeup about this issue here: http://www.hanselman.com/blog/BugAndFixASPNETFailsToDetectIE10CausingDoPostBackIsUndefinedJavaScriptErrorOrMaintainFF5ScrollbarPosition.aspx Scott proposes … Read more