We have rented a hosting that offers me to work with ASP.NET and .NET Framework 3.5; everything worked fine, until we got to the reporting part; where I had to created a dataset and a RDLC report. When I update my site, it doesn't start anymore because it does not recognize the report libraries.
How could I solve it please?
These entries were added to the web.config; without it, even my database-bound dataview worked fine:
I have a hard time reading the image; better post the config as code.
It looks like you are using traditional ASP.NET. I had used the following config in an previous project:
<compilation debug="false" targetFramework="4.5">
<assemblies>
<add assembly="Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845DCD8080CC91" />
<add assembly="Microsoft.ReportViewer.Common, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845DCD8080CC91" />
<add assembly="Microsoft.Build.Framework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" /> </assemblies>
<buildProviders>
<add extension=".rdlc" type="Microsoft.Reporting.RdlBuildProvider, Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" /> </buildProviders>
</compilation>
Good Morning,
We have an existing application that is stable and error free on a Windows Server 2008R2 with IIS 7.5 / .NET 4.5.
We are planning a move to Windows Server 2012R2 with IIS 8.5 / .NET 4.5 and are now encountered the problem that the application (identical binaries / configuration) are indeed injected two ScriptResource.axd files, but both contain the same content (different URLs).
Because of this, the MicrosoftAjaxWebforms.js, which provides "Sys.WebForms" is missing and i'm getting the Error
Unable to get property 'PageRequestManager' of undefined or null reference
The problem is browser Independent on two independent virtual machines.
The application runs in classic mode, the web.config does not contain the < xhtmlConformance > tag.
There are all the latest server updates.
All other functionalities of the application are working properly.
I hope some of you encountered the same Problem and know the solution.
Greetings, Verni
EDITH:
Snippet of web.config (system.web section)
<system.web>
<httpRuntime requestValidationMode="2.0" requestPathInvalidCharacters="" targetFramework="4.5" enableVersionHeader="false" />
<sessionState timeout="30" mode="StateServer" stateConnectionString="tcpip=...:42424" />
<httpModules>
<add name="LinkPartnerModule" type="....LinkPartnerModule, ..." />
<add name="RedirectModule" type="....RedirectModule, ..." />
<add name="ScriptCompressorModule" type="ScriptCompressorModule, ..." />
</httpModules>
<httpHandlers>
<remove verb="*" path="scriptresource.axd"/> // added from StackOverflow
<add verb="*" path="*js.axd" type="ScriptCompressorHandler" />
</httpHandlers>
<compilation debug="false" defaultLanguage="c#" targetFramework="4.5">
<assemblies>
<add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Data.Services.Client, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Data.Services.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="System.Speech, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</assemblies>
</compilation>
<globalization culture="de-DE" enableClientBasedCulture="true" fileEncoding="utf-8" uiCulture="de" />
<pages compilationMode="Auto" styleSheetTheme="*" validateRequest="false" enableEventValidation="false" controlRenderingCompatibilityVersion="3.5" enableViewState="true" clientIDMode="AutoID">
</system.web>
<system.web.extensions>
<scripting>
<scriptResourceHandler enableCompression="true" enableCaching="true" />
</scripting>
</system.web.extensions>
We had this issue as well for an application running in classic mode. The issue that time turned out to be multiple httphandlers registered for the .axd extension.
If you in your web.config make sure to remove any .axd handler before adding them it might resolve your issue.
Something like:
<remove verb="*" path="scriptresource.axd"/>
Edit:
When looking at your web.config I'm pretty sure the problem is related to the scriptcompressorhandler and module. As you stated this only happens using HTTPS and I suspect that what happens is that the module still runs over HTTPS but the handler does not. This means that the module sends the compressed version over to the regular scriptresource handler and a new copy of the script is outputted.
The solution would be to either activate scriptcompressorhandler over HTTPS as well or make sure the module is not run over HTTPS.
I fixed the Problem.
The reason was an misconfigured ARR (Application Request Router),
where SSL-Offloading was active.
The main reason of misconfiguration was the "function" that activates SSL-Offloading if no URL-Rewrite Rule is there with name like 'ARR_farmName_loadbalance_SSL'.
If this Rule will be deleted, the manager activates SSL-Offloading automatically.
Thanks to Robban, who brought me to HTTPS / SSL.
I have a web application with an admin panel. The admin panel is a webform project and I also have an MVC project to list products inserted in admin panel. But when I upload images to ProductImgs folder in webform project, how can I get them from MVC project? Or can I save them to the MVC project folder?
Ok so sounds like you are trying to share images between two web applications? EDIT Also you are trying to do this using Cassini (the inbuilt dev web server).
The easiest way to do this is to move your development environment to using IIS and then create a virtual directory within your mvc project in IIS that points to the images folder in your other site (on your file system). NB Moving to IIS will also have the added benefits of making your solution be more in line with how it will be deployed which IMHO is a great benefit.
Say you call this virtual directory 'images' and it has two images (image1.jpg and image2.jpg).
You can then reference these images from your mvc site by using
<img src="/images/image1.jpg" />
Here is a link on how to create Virtual Directories.
http://support.microsoft.com/kb/172138
Now i found the solution: here is the root web.config to solve this issue
<location inheritInChildApplications="false">
<system.web>
<compilation debug="true" targetFramework="4.0">
<assemblies>
<add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</assemblies>
</compilation>
<authentication mode="Forms">
<forms loginUrl="~/Account/LogOn" timeout="2880" />
</authentication>
<pages>
<namespaces>
<add namespace="System.Web.Helpers" />
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Routing" />
<add namespace="System.Web.WebPages"/>
<add namespace="EkosWeb.Helpers"/>
</namespaces>
</pages>
</system.web>
</location>
I need to add inheritInChildApplications="false" to location.
I´m starting to use "MVC 3" but I´m facing some little problems. In my Views, when I code something like this:
#if(Request.IsAuthenticated) {
<text>Welcome <b>#Context.User.Identity.Name</b>!
[ #Html.ActionLink("Log Off", "LogOff", "Account") ]</text>
}
else {
#:[ #Html.ActionLink("Log On", "LogOn", "Account") ]
}
The objects like #Request and #Html is indicating an error: The name 'HTML' does not exist in the current context.
The same occurs with #Context, #ViewBag, #Layout, #Url and others.
See:
But the code is correctly compiled with no errors. The problem is that I cannot use the Intellisense with theses objects in the Views. Is it normal? (I don´t think so). What could be happening?
I have reinstalled the MVC 3 framework but the same still occurs.
Note: this is a new project from scratch, not a MVC 2 migration. This occurs both with Razor engine and ASPX.
This is the Web.Config in the Views folder:
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
<section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
</sectionGroup>
</configSections>
<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<namespaces>
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Routing" />
</namespaces>
</pages>
</system.web.webPages.razor>
<appSettings>
<add key="webpages:Enabled" value="false" />
</appSettings>
<system.web>
<httpHandlers>
<add path="*" verb="*" type="System.Web.HttpNotFoundHandler"/>
</httpHandlers>
<!--
Enabling request validation in view pages would cause validation to occur
after the input has already been processed by the controller. By default
MVC performs request validation before a controller processes the input.
To change this behavior apply the ValidateInputAttribute to a
controller or action.
-->
<pages
validateRequest="false"
pageParserFilterType="System.Web.Mvc.ViewTypeParserFilter, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"
pageBaseType="System.Web.Mvc.ViewPage, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"
userControlBaseType="System.Web.Mvc.ViewUserControl, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<controls>
<add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" namespace="System.Web.Mvc" tagPrefix="mvc" />
</controls>
</pages>
</system.web>
<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<handlers>
<remove name="BlockViewHandler"/>
<add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />
</handlers>
</system.webServer>
</configuration>
Thanks!
You could try:
Close the View with the false errors.
(Steps 2-5 are sometimes optional) Close Visual Studio
Delete the bin and obj folders in all the Projects in the Solution.
Reopen the same Solution
Rebuild the Solution
Open a different View then the one causing the errors
Close that View, hopefully you didn't see any of the similar errors in this View
Reopen the View that gave you problems earlier
I have solved this issue with the old, good, wise Microsoft default solution: reinstall all the things again.
Uninstall and Reinstall the Visual Studio 2010 and MVC 3 Framework.
Clean your solution and Under references.
Then set the follow property:
System.Web.MVC file to Copy Local = True.
All I had to do was close all views that were open in the editor and rebuild.
What worked for me was closing Visual Studio, deleting the user option files (both solution and project level), then relaunching Visual Studio.
I'm using dotnet core sdk 2.2 and Visual Studio Professional 2019.
This was caused by Visual Studio mangling code.
Code was pasted into the razor view. Visual Studio would attempt but then fail to auto-format it. Part of the failure resulted in deleting code.
Pressing ctrl+z reverted the formatting but kept the pasted code. The razor compilation errors were then fixed (The name 'Html' does not exist in the current context)
Disable format on paste (see https://stackoverflow.com/a/28053865/1462295 ) under Tools -> Options -> Text Editor -> HTML -> Advanced
For me this just seemed to be the fact that I had compiler warnings. Code would still compile and run ok but it was not until I fixed all the build warnings that my Intellisense starting working.
I tried to remove the project that is still in trouble from solution and add it back again, after which the problem had been gone.
Set the property of System.Web.MVC,Copy Local = True
In my case my Packages folder was missing including MVC and Razor so I have updated packages in packages.config, reopened the view and it worked.
All you need to do is Restart Visual Studio and check.
You could try some following point:
Close the View with the false errors.
Close visual studio.
open project again.
clean your solution
Rebuild your solution.
hopefully you will not get any of the similar errors now.
If you still have same problem. than Please check following steps.
Make sure you have web.config file inside view folder. Becuase MVC has two web.config. one for solution and other one for project.
Your web.config file will seems like this which is inside views folder.
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
<section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
</sectionGroup>
</configSections>
<system.web.webPages.razor>
<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.2.7.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<namespaces>
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Optimization"/>
<add namespace="System.Web.Routing" />
<add namespace="Your Project Name" />
</namespaces>
</pages>
</system.web.webPages.razor>
<appSettings>
<add key="webpages:Enabled" value="false" />
</appSettings>
<system.webServer>
<handlers>
<remove name="BlockViewHandler"/>
<add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />
</handlers>
</system.webServer>
<system.web>
<compilation>
<assemblies>
<add assembly="System.Web.Mvc, Version=5.2.7.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</assemblies>
</compilation>
</system.web>
</configuration>
It worked for me. and hope for you also.
Close Visual Studio => Delete the obj and bin folders located in your project => Start Visual Studio
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
<parameters>
<parameter value="v11.0" />
</parameters>
</defaultConnectionFactory>
solution for this problem in web.config
I experienced this on ASP.NET MVC 4 as well, after uninstalling EntityFramework from my packages list.
I had to remove this section
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=4.4.0.0, ....
that's left on the Web.config file... at the least it removed the errors from the errors list
Apologies for the necro post.
Selecting "Build | Rebuild Solution" corrected this issue for me in Visual Studio 2015. In my case, the warnings occurred after renaming the primary namespace of a project. A rebuild set everything straight.
I'm using ASP .net core. Solved mine by upgrading Microsoft.AspNetCore.Mvc from 1.1.2 to 1.1.3.
For me, I just restarted my Visual Studios and everything got fixed.
Maybe I am a bit late to answer this question but this easy fix helped me:
Right click the file > Exclude from project.
Right click the file > Include in project.
I had this same issue in MVC 4. None of these solutions worked for me. Instead, in Windows, I went into Control Panel -> Uninstall a program. Select Microsoft ASP.NET MVC 4 in the program list. Click 'Uninstall.' A 'Microsoft ASP.NET MVC 4 Setup' wizard will display. Click 'Repair.'
I can compile and test my .NET 4.0 web application just fine within Visual Studio 2010. If, however I point my local IIS to the folder containing the application, I get the following error:
Compiler Error Message: CS0234: The type or namespace name 'Linq' does not exist in the namespace 'System' (are you missing an assembly reference?)
Source Error:
Line 388: <add namespace="System.ComponentModel.DataAnnotations" />
Line 389: <add namespace="System.Configuration" />
Line 390: <add namespace="System.Linq" />
Line 391: <add namespace="System.Text" />
Line 392: <add namespace="System.Text.RegularExpressions" />
Source File: c:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\web.config Line: 390
How is it that the web.config from the framework won't compile for me?
I have found similar problems on the web and most just say 'add this reference...', but it can't be the right thing to edit the default web.config -- can it?
This worked for me. Have this assemblies in the web.config file
<system.web>
<compilation debug="true">
<assemblies>
<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.Web.Extensions.Design, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
</assemblies>
</compilation>
</system.web>
I think you need to add the assemblies below in your web.config -
<add assembly="System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
You will get System.Linq in core assembly
If you have a website, asp.net needs proper references to be able to compile it. A web application would not need that.
There are some assemblies referenced in the machine.config, some might be missing depending on your code, you can add them to machine.config or the root web.config.