The type or namespace name System could not be found

Question

I have the following errors  and more  in all my views    cshtml  when opening my project in Visual Studio 2015 Professional      Error  CS0246  The type or namespace name  System  could not be found  are you missing a using directive or an assembly reference     Severity    Code    Description Project File    Line      Error  CS0518  Predefined type  System Object  is not defined or imported   Severity    Code    Description Project File    Line      Error  CS0518  Predefined type  System String  is not defined or imported   I got these references    lt ItemGroup gt   lt Reference Include  Microsoft CSharp    gt   lt Reference Include  Sitecore Kernel  Version 7 0 0 0  Culture neutral  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX Sitecore Kernel dll lt  HintPath gt   lt  Reference gt   lt Reference Include  Sitecore Mvc  gt     lt HintPath gt N  XXX Sitecore Mvc dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web DynamicData    gt   lt Reference Include  System Web Entity    gt   lt Reference Include  System Web ApplicationServices    gt   lt Reference Include  System ComponentModel DataAnnotations    gt   lt Reference Include  System    gt   lt Reference Include  System Data    gt   lt Reference Include  System Core    gt   lt Reference Include  System Data DataSetExtensions    gt   lt Reference Include  System Web Extensions    gt   lt Reference Include  System Web Helpers  Version 2 0 0 0  Culture neutral  PublicKeyToken 31bf3856ad364e35  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX System Web Helpers dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web Mvc  Version 4 0 0 0  Culture neutral  PublicKeyToken 31bf3856ad364e35  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX System Web Mvc dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web Providers  gt     lt HintPath gt N  XXX System Web Providers dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web Razor  Version 2 0 0 0  Culture neutral  PublicKeyToken 31bf3856ad364e35  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX System Web Razor dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web WebPages  Version 2 0 0 0  Culture neutral  PublicKeyToken 31bf3856ad364e35  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX System Web WebPages dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web WebPages Deployment  Version 2 0 0 0  Culture neutral  PublicKeyToken 31bf3856ad364e35  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX System Web WebPages Deployment dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Web WebPages Razor  Version 2 0 0 0  Culture neutral  PublicKeyToken 31bf3856ad364e35  processorArchitecture MSIL  gt     lt SpecificVersion gt False lt  SpecificVersion gt     lt HintPath gt N  XXX System Web WebPages Razor dll lt  HintPath gt   lt  Reference gt   lt Reference Include  System Xml Linq    gt   lt Reference Include  System Drawing    gt   lt Reference Include  System Web    gt   lt Reference Include  System Xml    gt   lt Reference Include  System Configuration    gt   lt Reference Include  System Web Services    gt   lt Reference Include  System EnterpriseServices    gt      I found some solutions saying that a mscorlib wasn t referenced   but when I tried to add it it sayd that it s already there  even though I don t see it on the csproj file    System dll reference       SOLUTION    Managed the issue   I had the build path set to a  c     bin  instead of   bin   I believe this happened because I don t have any web config in the root of the project  so VS didn t identify my project as a web project

User · Answer

I had the same problem earlier when I tried to edit an open source project from the internet     Solved it by just Cleaning the solution and rebuilding it    Hope this helps

The type or namespace name 'System' could not be found

The Solution to The type or namespace name 'System' could not be found is

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