Erro de conflito da tag ScriptManager: System.Web.Configuration.ScriptingScriptResourceHandlerSection

Erro de conflito da tag ScriptManager, causado ao fazer a atualização do framework da aplicação de 2.0 para 3.5:

Unable to cast object of type 'System.Web.Configuration.ScriptingScriptResourceHandlerSection' to type 'System.Web.Configuration.ScriptingScriptResourceHandlerSection'.


Para solucionar insira as tags abaixo dentro da tag ... do arquivo web.config.


<assemblybinding xmlns="urn:schemas-microsoft-com:asm.v1">

<dependentassembly>

<assemblyidentity publickeytoken="31bf3856ad364e35" name="System.Web.Extensions">

<bindingredirect newversion="3.5.0.0" oldversion="1.0.0.0-1.1.0.0">

</dependentassembly>

<dependentassembly>

<assemblyidentity publickeytoken="31bf3856ad364e35" name="System.Web.Extensions.Design">

<bindingredirect newversion="3.5.0.0" oldversion="1.0.0.0-1.1.0.0">

</dependentassembly>

</assemblybinding>

</runtime>