Source file Properties AssemblyInfo cs could not be found

Question

I m running VS2010   When I open my web solution  amp  attempt to build  the build fails with the error  CSC 0 0   error CS2001  Source file  Properties AssemblyInfo cs  could not be found    I have created Windows applications  but in different solutions   I cannot find any reference to this file in the web solution project   Any help is appreciated

User · Answer

I got the error using TFS  my AssemblyInfo wasn t mapped in the branch I was working on

User · Answer

delete the assemeblyinfo cs file from project under properties menu and rebulid it

User · Answer

This can also happen if you have a solution containing the project open in Visual Studio  then use your source control software to change to an older commit that does not contain that project  Normally  this would be obvious as all the project files would disappear as well  But  if it s a new project with very few or no files at all  it could be puzzling to see that just this one file  AssemblyInfo cs  is missing  And  it s more likely you d be messing about with an AssemblyInfo cs when a project is new  so might miss that another file or two is also missing   The cure is to do any of the following    Fetch the missing AssemblyInfo cs and any other missing files from another commit  taking care to manage and save your  csproj file so the referenced files don t vanish from the project   perhaps by adding and removing a random  cs file to cause changes to need to be saved  since visual studio thinks the  csproj file has been saved when it hasn t   Close and reopen Visual Studio without saving  if the project file isn t really saved  or remove the project  Removing makes sense if you didn t actually want the project created yet  since it will be created in the later commit  Recreate the AssemblyInfo cs file manually  Just copy another project  and change the details  especially the GUID so it matches the one from the  sln file

User · Answer

This rings a bell  I came across a similar problem in the past     if you expand Properties folder of the project can you see  AssemblyInfo cs  if not that is where the problem is  An assembly info file consists of all of the build options for the project  including version  company name  GUID  compilers options    etc   You can generate an assemblyInfo cs by right clicking the project and chosing properties  In the application tab fill in the details and press save  this will generate the assemblyInfo cs file for you  If you build your project after that  it should work    Cheers  Tarun  Update 2016-07-08   For Visual Studio 2010 through the most recent version  2015 at time of writing   LandedGently s comment still applies      After you select project Properties and the Application tab as  Tarun mentioned  there is a button  Assembly Information     which opens another dialog  You need to at least fill in the Title here  VS will add the GUID and versions  but if the title is empty  it will not create the AssemblyInfo cs file

User · Answer

This solved my problem  You should select Properties  Right-Click  Source Control and Get Specific Version

[visual-studio-2010] Source file 'Properties\AssemblyInfo.cs' could not be found

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