在<configuration />中加入以下聲明

<configuration> ??<configSections> ????<sectionGroup?name="system.web.extensions"?type="System.Web.Configuration.SystemWebExtensionsSectionGroup,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"> ??????<sectionGroup?name="scripting"?type="System.Web.Configuration.ScriptingSectionGroup,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"> ????????<section?name="scriptResourceHandler"?type="System.Web.Configuration.ScriptingScriptResourceHandlerSection,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"?requirePermission="false"?allowDefinition="MachineToApplication"/> ????????<sectionGroup?name="webServices"?type="System.Web.Configuration.ScriptingWebServicesSectionGroup,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"> ??????????<section?name="jsonSerialization"?type="System.Web.Configuration.ScriptingJsonSerializationSection,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"?requirePermission="false"?allowDefinition="Everywhere"?/> ??????????<section?name="profileService"?type="System.Web.Configuration.ScriptingProfileServiceSection,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"?requirePermission="false"?allowDefinition="MachineToApplication"?/> ??????????<section?name="authenticationService"?type="System.Web.Configuration.ScriptingAuthenticationServiceSection,?System.Web.Extensions,?Version=3.5.0.0,?Culture=neutral,?PublicKeyToken=31bf3856ad364e35"?requirePermission="false"?allowDefinition="MachineToApplication"?/> ????????</sectionGroup> ??????</sectionGroup> ????</sectionGroup> ??</configSections>

轉載于:https://www.cnblogs.com/amyShizhen/p/3680886.html

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