Errors in HTMLHelper references

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Errors in HTMLHelper references

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#1 by (2 votes)

1

Visual studio throws me these errors that are seen in the image, even when I have the code well done and also when I run the page everything is fine.

asp.net asp.net-mvc-5 razor

asked by Luis Ruiz Martínez 08.11.2016 в 21:36

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1 answer

Input of type file that automatically selects files? Ackerman Recursion

score 2 · Accepted Answer

Recently I had the same problem what I did last time was to delete the contents of the folder

C:\Users\tuUsuario\AppData\Local\Microsoft\VisualStudio.0\ComponentModelCache

Those errors happened to me when I made a project migration ASP .NET MVC 4 to ASP .NET MVC 5 via Nuget .

This is optional because the above can work safely

To correct the error, I had to manually change the version of System.Web.WebPages.Razor from 2.0.0.0 to 3.0.0.0 in the web.config of the views:

<configSections>
  <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
    <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
    <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
  </sectionGroup>
</configSections>

a

<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>

After that, the web application runs fine, but complained that Visual Studio @Model does not exist in the current context. This time I had to change all the instances of System.Web.Mvc, Version = 4.0.0.0 to System.Web.Mvc, Version = 5.2.3.0 , restart the Visual Studio, and rebuild the project.

Reference:

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