This is my Web.Config code: 

<?, 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"/>section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/></sectionGroup></sectionGroup></sectionGroup></configSections><location path="events_edit.aspx">system.web>authorization>allow roles="Administrators"/>deny users="*"/>authorization>system.web>location>location path="locations_edit.aspx">system.web>authorization>allow roles="Administrators"/>deny users="*"/>authorization>system.web>location>location path="news_edit.aspx">system.web>authorization>allow roles="Administrators"/>deny users="*"/>authorization>system.web>location>location path="photoalbum_new.aspx">system.web>authorization>allow roles="Administrators"/>deny users="*"/>authorization>system.web>location>location path="member_list.aspx">system.web>authorization>deny users="?"/>authorization>system.web>location>location path="member_details.aspx">system.web>authorization>deny users="?"/>authorization>system.web>location>connectionStrings>add name="ClubSiteDB" connectionString="Data Source=.\SQLExpress;Integrated Security=true;AttachDBFileName=|DataDirectory|Club.mdf;User Instance=True" providerName="System.Data.SqlClient"/>connectionStrings>system.web>roleManager enabled="true"/>authentication mode="Forms"/>compilation debug="true" strict="true">assemblies>add assembly="System.Xml, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>add assembly="System.Messaging, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>add assembly="System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/></assemblies>compilation>membership defaultProvider="AspNetSqlMembershipProvider"/>siteMap defaultProvider="AspNetXmlSiteMapProvider" enabled="true">providers>remove name="AspNetXmlSiteMapProvider"/>add name="AspNetXmlSiteMapProvider" description="SiteMap provider which reads in .sitemap XML files." type="System.Web.XmlSiteMapProvider" securityTrimmingEnabled="true" siteMapFile="Web.sitemap"/>providers>siteMap>customErrors mode="Off" defaultRedirect="ErrorPage.htm"/>globalization requestEncoding="utf-8" responseEncoding="utf-8"/>pages>controls>add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></controls></pages>httpHandlers>remove verb="*" path="*.asmx"/>add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>add verb="GET,HEAD" path="ScriptResource.axd" validate="false" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></httpHandlers>httpModules>add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></httpModules></system.web>system.codedom>compilers>compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CSharp.CSharpCodeProvider,System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">providerOption name="CompilerVersion" value="v3.5"/>providerOption name="WarnAsError" value="false"/></compiler>compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">providerOption name="CompilerVersion" value="v3.5"/>providerOption name="OptionInfer" value="true"/>providerOption name="WarnAsError" value="false"/></compiler></compilers></system.codedom>system.webServer>validation validateIntegratedModeConfiguration="false"/>modules>remove name="ScriptModule"/>add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></modules>handlers>remove name="WebServiceHandlerFactory-Integrated"/>remove name="ScriptHandlerFactory"/>remove name="ScriptHandlerFactoryAppServices"/>remove name="ScriptResource"/>add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>add name="ScriptResource" verb="GET,HEAD" path="ScriptResource.axd" preCondition="integratedMode" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></handlers></system.webServer>runtime>assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">dependentAssembly>assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/></dependentAssembly>dependentAssembly>assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/></dependentAssembly></assemblyBinding></runtime></configuration>