DevExpress – Incorrect route to ASPxUploadProgressHandlerPage.ashx

In case of error:

System.Exception

Incorrect route to ASPxUploadProgressHandlerPage.ashx. Please use the IgnoreRoute method to ignore this handler’s route when processing requests.

Please edit file RouteConfig.cs adding:

routes.IgnoreRoute(“{resource}.aspx/{*pathInfo}”);

routes.IgnoreRoute(“{resource}.asmx/{*pathInfo}”);

routes.IgnoreRoute(“{resource}.ashx/{*pathInfo}”);

Like this:

Please do not forget add to Layout file:

@Html.DevExpress().GetStyleSheets(

new StyleSheet { ExtensionSuite = ExtensionSuite.NavigationAndLayout },

new StyleSheet { ExtensionSuite = ExtensionSuite.Editors }

)

@Html.DevExpress().GetScripts(

new Script { ExtensionSuite = ExtensionSuite.NavigationAndLayout },

new Script { ExtensionSuite = ExtensionSuite.Editors }

)

Like this: