There is a duplicate system.web.extensions/scripting/scriptResourceHandler section defined – Chris F Carroll
infiniteZest.com: Where are the ASP.NET AJAX Library JavaScript files?
Troubleshooting: IIS on Windows Server 2008 returns an ASP
entity framework - Could not load file or assembly 'System.Web.Extensions, Version=4.0.0.0 - Stack Overflow
Safari Extensions - Safari - Apple Developer
How to Create a Web Extension
System.Web.Mvc.Controller' is defined in an assembly that is not referenced – Ben Hall's Blog
visual studio - .NET 4.0 Cannot resolve reference to System.Web.Extensions assembly - Stack Overflow
System.Web.Mvc.Controller' is defined in an assembly that is not referenced – Ben Hall's Blog
visual studio - .NET 4.0 Cannot resolve reference to System.Web.Extensions assembly - Stack Overflow
entity framework - Could not load file or assembly 'System.Web.Extensions, Version=4.0.0.0 - Stack Overflow
Jeff Widmer's Blog - The configuration section 'system.web.extensions' cannot be read because it is missing a section declaration
Troubleshooting: "Could not load file or assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies" error : VETtrak
The configuration section 'system.web.extensions' cannot be read because it is missing a section declaration. - Benjamin Day Consulting, Inc.
No se puede cargar el archivo o ensamblado System.Web.Extensions - PROGRAMADOR FREELANCE %
Jeff Widmer's Blog - The configuration section 'system.web.extensions' cannot be read because it is missing a section declaration
What are extensions? - Mozilla | MDN
The configuration section 'system.web.extensions' cannot be read because it is missing a section declaration. - Benjamin Day Consulting, Inc.
NET @es - Crear Graficas en ASP.NET | Oscar's Code
Could not load file or assembly 'System Web Extensions, Version=1 0 61025 0, Culture=neutral, Public - YouTube
visual studio - .NET 4.0 Cannot resolve reference to System.Web.Extensions assembly - Stack Overflow
Adding reference to assembly System.Web.Extensions causes build error · Issue #1088 · dotnet/wpf · GitHub
The configuration section 'system.web.extensions' cannot be read because it is missing a section declaration – F5debug
asp.net - Error - The type or namespace name 'Extensions' does not exist in the namespace 'System.Web' - Stack Overflow
