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Hello,
I have just downloaded "YAF.NET v2.2.3 Sample Web Application" and successfully built it with Microsoft Visual Studio Community 2017 (Version 15.2). I had this error "Could not load file or assembly 'System.Web.Helpers, Version=2.0.0.0" so I have used "Install-Package microsoft-web-helpers" in NuGet console. Now I'm trying to fix "Could not load file or assembly 'System.Web.Mvc, Version=4.0.0.0" but then I have this error:
[quote]Server Error in '/' Application.
Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Source Error:
Line 42:
Line 43:
Line 44:
Line 45:
Line 46:
Source File: C:\Users\myuser\Downloads\YAF.SampleWebApplication-v2.2.3-C\YAF.SampleWebApplication\web.config Line: 44
Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
=== Pre-bind state information ===
LOG: DisplayName = System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
(Fully-specified)
LOG: Appbase = file:///C:/Users/myuser/Downloads/YAF.SampleWebApplication-v2.2.3-C/YAF.SampleWebApplication/
LOG: Initial PrivatePath = C:\Users\myuser\Downloads\YAF.SampleWebApplication-v2.2.3-C\YAF.SampleWebApplication\bin
Calling assembly : (Unknown).
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: C:\Users\myuser\Downloads\YAF.SampleWebApplication-v2.2.3-C\YAF.SampleWebApplication\web.config
LOG: Using host configuration file: C:\Users\myuser\OneDrive\Dokumenty\IISExpress\config\aspnet.config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\machine.config.
LOG: Post-policy reference: System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
LOG: Attempting download of new URL file:///C:/Users/myuser/AppData/Local/Temp/Temporary ASP.NET Files/vs/551eec6e/5af4a661/System.Web.Mvc.DLL.
LOG: Attempting download of new URL file:///C:/Users/myuser/AppData/Local/Temp/Temporary ASP.NET Files/vs/551eec6e/5af4a661/System.Web.Mvc/System.Web.Mvc.DLL.
LOG: Attempting download of new URL file:///C:/Users/myuser/Downloads/YAF.SampleWebApplication-v2.2.3-C/YAF.SampleWebApplication/bin/System.Web.Mvc.DLL.
LOG: Attempting download of new URL file:///C:/Users/myuser/Downloads/YAF.SampleWebApplication-v2.2.3-C/YAF.SampleWebApplication/bin/System.Web.Mvc/System.Web.Mvc.DLL.
LOG: Attempting download of new URL file:///C:/Users/myuser/AppData/Local/Temp/Temporary ASP.NET Files/vs/551eec6e/5af4a661/System.Web.Mvc.EXE.
LOG: Attempting download of new URL file:///C:/Users/myuser/AppData/Local/Temp/Temporary ASP.NET Files/vs/551eec6e/5af4a661/System.Web.Mvc/System.Web.Mvc.EXE.
LOG: Attempting download of new URL file:///C:/Users/myuser/Downloads/YAF.SampleWebApplication-v2.2.3-C/YAF.SampleWebApplication/bin/System.Web.Mvc.EXE.
LOG: Attempting download of new URL file:///C:/Users/myuser/Downloads/YAF.SampleWebApplication-v2.2.3-C/YAF.SampleWebApplication/bin/System.Web.Mvc/System.Web.Mvc.EXE.
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2046.0 [/quote]
I've tried to solve it like this:
[quote]PM> Install-Package Microsoft.AspNet.Mvc
Attempting to gather dependency information for package 'Microsoft.AspNet.Mvc.5.2.3' with respect to project 'YAF.SampleWebApplication', targeting '.NETFramework,Version=v4.0'
Gathering dependency information took 1,71 sec
Attempting to resolve dependencies for package 'Microsoft.AspNet.Mvc.5.2.3' with DependencyBehavior 'Lowest'
Install-Package : Unable to resolve dependencies.
At line:1 char:1
+ Install-Package Microsoft.AspNet.Mvc
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Install-Package], Exception
+ FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PackageManagement.PowerShellCmdl
ets.InstallPackageCommand
Time Elapsed: 00:00:02.4767138[/quote]
And similar attempt:
[quote]PM> install-package microsoft.aspnet.mvc -version 4.0
Attempting to gather dependency information for package 'microsoft.aspnet.mvc.4.0.0' with respect to project 'YAF.SampleWebApplication', targeting '.NETFramework,Version=v4.0'
install-package : Package 'microsoft.aspnet.mvc 4.0' is not found in the following primary source(s
): 'https://api.nuget.org/v3/index.json,C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\'. Plea
se verify all your online package sources are available (OR) package id, version are specified corr
ectly.
At line:1 char:1
+ install-package microsoft.aspnet.mvc -version 4.0
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Install-Package], Exception
+ FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PackageManagement.PowerShellCmdl
ets.InstallPackageCommand
Time Elapsed: 00:00:00.6849268[/quote]
Could you, please, suggest the correct way?
Thank you!
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