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POASP.Net Session State not enabled properly
 

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  1. POASP.Net Session State not enabled properly
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    <p>I'm having trouble getting Session State to work correctly in my ASP.Net application. I've set <code>EnableSessionState="true"</code> in all my <code>&lt;%@ Page %&gt;</code> directives but I still seem to get issued a different Session ID on every page.</p> <p>I am using a Master Page which I can't find a way to specify EnableSessionState for (I assume if the Page using it has Session State then it does?)</p> <p>I've set the <code>&lt;sessionState&gt;</code> element in my Web.config to use InProc session state with cookies but this seems to have no effect - I am running IIS 7 so I'd expect the <code>&lt;system.web&gt;</code> section to be ignored in favour of the <code>&lt;system.webServer&gt;</code> section and there doesn't seem to be an equivalent config element for session state in this (or it isn't obvious).</p> <p>I've tried googling for stuff on this but I can't seem to find something that explains exactly what I need to do to get Session State enabled across my entire application and working properly. Any ideas anyone?</p> <p>My Web.config file is as below and I can post further details if required.</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/&gt; &lt;section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;/sectionGroup&gt; &lt;/sectionGroup&gt; &lt;/sectionGroup&gt; &lt;/configSections&gt; &lt;appSettings&gt; &lt;add key="DBServer" value="localhost"/&gt; &lt;add key="DBName" value="bbcdemo"/&gt; &lt;add key="DBUser" value="example"/&gt; &lt;add key="DBPassword" value="password"/&gt; &lt;add key="DemoEndpoint" value="http://nottm.ecs.soton.ac.uk/BBCDemo/sparql/"/&gt; &lt;add key="/BBCDemo/sparql/" value=""/&gt; &lt;add key="LoadMode" value="PreloadAllAsync" /&gt; &lt;add key="DefaultQueryFile" value="~/App_Data/default.rq"/&gt; &lt;add key="Stylesheet" value="/BBCDemo/bbcdemo.css"/&gt; &lt;add key="RewriteRuleFind1" value="^.*programmes/([A-Za-z0-9]+)$"/&gt; &lt;add key="RewriteRuleReplace1" value="http://www.bbc.co.uk/programmes/$1#programme"/&gt; &lt;/appSettings&gt; &lt;connectionStrings/&gt; &lt;system.web&gt; &lt;!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --&gt; &lt;compilation debug="true"&gt; &lt;assemblies&gt; &lt;add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;/assemblies&gt; &lt;/compilation&gt; &lt;!-- The &lt;authentication&gt; section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --&gt; &lt;authentication mode="Windows"/&gt; &lt;!-- The &lt;customErrors&gt; section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. &lt;customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"&gt; &lt;error statusCode="403" redirect="NoAccess.htm" /&gt; &lt;error statusCode="404" redirect="FileNotFound.htm" /&gt; &lt;/customErrors&gt; --&gt; &lt;pages&gt; &lt;controls&gt; &lt;add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/controls&gt; &lt;/pages&gt; &lt;httpHandlers&gt; &lt;remove verb="*" path="*.asmx"/&gt; &lt;add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;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"/&gt; &lt;add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/&gt; &lt;/httpHandlers&gt; &lt;httpModules&gt; &lt;add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/httpModules&gt; &lt;sessionState mode="InProc" timeout="20" cookieless="UseCookies" /&gt; &lt;/system.web&gt; &lt;system.codedom&gt; &lt;compilers&gt; &lt;compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"&gt; &lt;providerOption name="CompilerVersion" value="v3.5"/&gt; &lt;providerOption name="WarnAsError" value="false"/&gt; &lt;/compiler&gt; &lt;/compilers&gt; &lt;/system.codedom&gt; &lt;!-- The system.webServer section is required for running ASP.NET AJAX under Internet Information Services 7.0. It is not necessary for previous version of IIS. --&gt; &lt;system.webServer&gt; &lt;validation validateIntegratedModeConfiguration="false"/&gt; &lt;modules&gt; &lt;remove name="ScriptModule"/&gt; &lt;add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/modules&gt; &lt;handlers&gt; &lt;remove name="WebServiceHandlerFactory-Integrated"/&gt; &lt;remove name="ScriptHandlerFactory"/&gt; &lt;remove name="ScriptHandlerFactoryAppServices"/&gt; &lt;remove name="ScriptResource"/&gt; &lt;remove name="SPARQLHandler"/&gt; &lt;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"/&gt; &lt;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"/&gt; &lt;add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add name="SPARQLHandler" verb="*" path="sparql/" type="VDS.RDF.Web.SPARQLHandler"/&gt; &lt;add name="ResourceHandler" verb="*" path="programmes/*" type="VDS.RDF.Web.SQLResourceHandler"/&gt; &lt;/handlers&gt; &lt;/system.webServer&gt; &lt;runtime&gt; &lt;assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"&gt; &lt;dependentAssembly&gt; &lt;assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/&gt; &lt;bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/&gt; &lt;/dependentAssembly&gt; &lt;dependentAssembly&gt; &lt;assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/&gt; &lt;bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/&gt; &lt;/dependentAssembly&gt; &lt;/assemblyBinding&gt; &lt;/runtime&gt; &lt;/configuration&gt; </code></pre> <p>Before anyone moans at me for storing DB settings in AppSettings I should point out that in production I would encrypt the <code>&lt;appSettings&gt;</code> section and that the database account used only has (and needs) read-only privileges on the specific database.</p>
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    1. CODoesn't appear to be related to my problem but may explain similar issues when ASPX and ASHX are mixed - http://www.hanselman.com/blog/GettingSessionStateInHttpHandlersASHXFiles.aspx
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