Could not find any resources appropriate for the specified culture or the neutral culture

Question

I have two ASP NET Web projects  ProjectA and ProjectB   When class in ProjectA is instantiating a class of ProjectB which uses a resource file Blah resx  I get this error         An exception of type  System Resources MissingManifestResourceException  occurred in mscorlib dll but was not handled in user code       Could not find any resources appropriate for the specified culture or the neutral culture   Make sure  Resources Blah resources  was correctly embedded or linked into assembly  App GlobalResources sn flri6  at compile time  or that all the satellite assemblies required are loadable and fully signed    Whats causing this    There is an article on Microsoft s site about this http   support microsoft com kb 318603  which suggests       To resolve this problem  move all of the other class definitions so that they appear after the form s class definition    This is a solution for Windows Forms project  I m not sure if that also applies to Web projects

User · Answer

No-one seems to have mentioned this solution. Obvious really - but tripped me over for a moment...

The default access modifier for a new resources file is Internal (or Friend in VB.Net.) Make sure you change this to Public

(in the resx designer there is a dropdown at the top for the access modifier)

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For users who facing this isssue in  NET Core 3 0  this could be related to a breaking change that made in  NET Core 3 0  to resolve it just set EmbeddedResourceUseDependentUponConvention to false in your project csproj    lt PropertyGroup gt     lt EmbeddedResourceUseDependentUponConvention gt false lt  EmbeddedResourceUseDependentUponConvention gt   lt  PropertyGroup gt

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I resolved this by going to the project where my resources file was saved  scrolling down to its ItemGroup and adding a logical name that corresponded to the path the compiler expected   My EmbeddedResource looked like this       lt ItemGroup gt       lt EmbeddedResource Update  Properties TextResources resx  gt         lt Generator gt PublicResXFileCodeGenerator lt  Generator gt         lt LastGenOutput gt TextResources Designer cs lt  LastGenOutput gt       lt  EmbeddedResource gt     lt  ItemGroup gt    Now it looks like this     lt ItemGroup gt       lt EmbeddedResource Update  Properties TextResources resx  gt         lt Generator gt PublicResXFileCodeGenerator lt  Generator gt         lt LastGenOutput gt TextResources Designer cs lt  LastGenOutput gt         lt LogicalName gt MyProject Properties Resources resources lt  LogicalName gt       lt  EmbeddedResource gt     lt  ItemGroup gt

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One approach would be to put the shared classes resources in a separate class library project and refer them in both the web sites

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In my case these lines of code added to Web config helped a lot    lt system web gt                lt globalization uiCulture  cs  culture  cs-CZ    gt            lt system web gt    Together with Build action  Embedded Resource and Custom Tool  PublicResXFileCodeGenerator

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I solved the problem like this     Right click on your ResourceFile  Change the  Build Action  property Compile to  Embedded Resource  Then build and run    It works perfectly

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Thanks  CFinck   Just to add a tip to others   I changed the ResourceManager line with this     New Global System Resources ResourceManager Reflection Assembly GetCallingAssembly GetName Name  amp    CommonNameOf Resources   Reflection Assembly GetCallingAssembly      I m in vb net but I think in C  the only difference would be   instead of  amp  to concatenate strings   This way I can use the same linked assembly files in two similar projects that share the resources

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Yet another cause   if your namespace has a hyphen   -    then it will build and run correctly  but the resource won t be accessible   Namespaces  identifiers  aren t supposed to have hyphens  but this doesn t appear to be enforced anywhere except in loading resources   This has burned me twice over the decade

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As far as this case is concerned check if the assembly containing resources has the default namespace set to the same text  Project- Properties- Default namespace  in VS  Check as well if the resx file has a property BuildAction set to  Embedded resource  Enjoy

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I have a WinForms application with a single project in the solution  Targeting  NET Framework 4 0 Using SharpDevelop 4 3 as my IDE  Sounds silly  but I happened to have the Logical Name property set to  Resources  on my  Resources resx  file  Once I cleared that property  all works hunky-dory   Normally  when you add random files as EmbeddedResource  you generally want to set the Logical Name to something reasonable  for some reason  I did the same on the Resources resx file and that screwed it all up     Hope this helps someone

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This error is also raised by Dotfuscation  since a resx designer file relies on reflection   If you are using Dotfuscator it will break your resx files   You must always add them as an exclusion from the obfuscation process

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In my case  Build Action of the resource file was already Embedded Resource but every time I ran update-database  I got the same error  so i did the fellow steps and it s worked   Change Build Action property to Compile Build  got so many errors  Change back Build Action property to Embedded Resource update-database  And for some reason it s worked

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Another thing to check is if you have LogicalName or ManifestResourceName defined on the EmbeddedResource  Make sure those are defined appropriately if your project file is using them as they can cause the resources to live under a name you are not expecting

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It happens because the   res  is excluded from migration    Right click on your ResourceFile Click on the menu item  Include in project

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I had the same issue when trying to run an update-database command on EF  Turns out the migration that was throwing the exception had the  resx file excluded from the project  I just right-clicked the  resx file and clicked  quot Include In Project quot   Problem solved

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When I tried sharing a resource resx file from one C  project with another C  project  I got this problem  The suggestion on moving the Form class to the beginning of its file wasn t appropriate   This is how I solved it  You essentially use a link from the second project to the first  then enable regeneration of the resource designer cs file    Delete the second project s Properties Resources resx file Add the first project s Properties Resources resx file as a LINK to the Properties folder in the second project  Don t add it to the root level of the project  Don t add the first project s Properties Resources designer cs  On the properties of the second project s Resources resx  add ResXFileCodeGenerator as the CustomTool Right click on the Resources resx and select  Run Custom Tool   This will generate a new designer cs file    Note  I would avoid editing the resource designer cs file  as this is autogenerated

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I was also facing the same issue  tried all the solutions mentioned in the answer but none seemed to work  Turned out that during the checkin of code to TFS  TFS did not checkin the Resx file it only checked in the designer file  So all other developers were facing this issue while running on their machines  Checking in the resx file manually did the trick

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Just because you are referencing Project B s DLL doesn t mean that the Resource Manager of Project A is aware of Project B s App GlobalResources directory   Are you using web site projects or web application projects  In the latter  Visual Studio should allow you to link source code files  not sure about the former  I ve never used them   This is a little-know but useful feature  which is described here  That way  you can link the Project B resource files into Project A

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I found that deleting the designer cs file  excluding the resx file from the project and then re-including it often fixed this kind of issue  following a namespace refactoring  as per CFinck s answer

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I just hit this same exception in a WPF project   The issue occurred within an assembly that we recently moved to another namespace  ProblemAssembly Support to ProblemAssembly Controls    The exception was happening when trying to access resources from a second resource file that exists in the assembly   Turns out the additional resource file did not properly move references from the old namespace name to the new namespace name   In the designer cs for the resource file  there is a static property to get the ResourceManager   Within that getter  the string was still referring the old namespace   Once correcting it to the new namespace  the problem was resolved   global  System Resources ResourceManager temp         new global  System Resources ResourceManager             ProblemAssembly Support Properties Stuff   typeof Stuff  Assembly     should have been   global  System Resources ResourceManager temp         new global  System Resources ResourceManager             ProblemAssembly Controls Properties Stuff   typeof Stuff  Assembly     Hope this helps the next person

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For me the problem was copying  resx files and associated  cs files from one project to another   Both projects had the same namespace so that wasn t the problem   Finally solved it when I noticed in Solution Explorer that in the original project the  resx files were dependent on the  cs files   MyResource cs    MyResource resx   While in the copied project the  cs files was dependent on the  resx files   MyResource resx    MyResource cs   It turned out that in the second project somehow the  resx files had been set to auto-generate the  cs files   The auto-generated  cs files were overwriting the  cs files copied from the original project   To fix the problem edit the properties of each  resx file in the copied project   The Custom Tool property will be set to something like ResXFileCodeGenerator   Clear the Custom Tool property of the  resx file   You will need to re-copy the  cs file from the original project as it will have been overwritten by the auto-generated file

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When we were using   HttpContext GetGlobalResourceObject     It would generate that error unless we wrapped that call inside a try catch statement

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Just another case  I copied a solution with two projects and renamed them partially in the Windows explorer  folder names   sln and  csproj file names  and partially with a massive Find  amp  Replace action in Visual Studio  namespaces etc    Nevertheless the exception stated by the OP still occurred  I found out that the Assembly and Namespace names were still old   Although the project and everything else was already named OfficeStyle the Assembly name and Default namespace were still named Linckus     After this correction everything worked fine again  compile and run time

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I faced this issue for running Migration command Update-Database in Package Manager console   Accepted answer didn t solve my problem   I had to change Build Action from Compile to Embedded Resource and It worked for me   You can do the same using below steps    Right click on migration   Change the  Build Action  property  Compile  to  Embedded Resource   Run Update-Database command

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In my case a series of badly thought global text replacements had inadvertently changed this line in the resource designer cs file     Since the namespace in that argument did not match the namespace of the class anymore  the application got confused at run time   Check that the namespace of the designer matches the string argument in that line

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In my case  the issue caused by the wrong order of class definitions  For example  I had added another class definition before my Form class  namespace MyBuggyWorld       public class BackendObject   This hack broke the VS 2017 winform designer and resources linker                public TcpClient ActiveClient   get  set            public BackgroundWorker ActiveWorker   get  set               public partial class FormMain   Form                After moving BackendObject to the end of the file  better yet would be to move it to a separate file   doing project clean   rebuild resolved the issue

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This can be caused by mismatched namespaces  The second from top answer  Sibi Elango s  says to right-click the resx file  and change Build option to EmbeddedResource  but I had already done that and still had the error  The top answer  CFinck s  notes a way of fixing this via manually editing files  however  I had this problem in MonoDevelop  and had to set the default namespace to the same as the cs file which was calling for the resource  the file which contained code such as the code below      this Icon     System Drawing Icon  resources GetObject   this Icon        After setting the default namespace via the GUI  the line above no longer caused an exception

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Sibi Elangos s answer alone was not sufficient for me  so I had to   Right click on your ResourceFile Change the  quot Build Action quot  property Compile to  quot Embedded Resource quot  Build and deploy  This will generate an App GlobalResources in your  bin folder  now copy that folder also to the root of the web application

[.net] Could not find any resources appropriate for the specified culture or the neutral culture

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