How to change default error messages of MVC Core ValidationSummary?

Question

Using MVC Core with ASP.NET Identity I would like to change the defaults error messages of ValidationSummary that arrived from Register action. Any advice will be much appreciated.

You should be able to change these Error Messages in the AccountViewModel.cs with the Property ErrorMessage = "..." in a DataAnnotation. — maracuja-juice
– maracuja-juice, Commented Aug 16, 2016 at 6:51

Adrian Thompson Phillips · Accepted Answer · 2017-07-10 11:28:05Z

17

You should override methods of IdentityErrorDescriber to change identity error messages.

public class YourIdentityErrorDescriber : IdentityErrorDescriber
{
    public override IdentityError PasswordRequiresUpper() 
    { 
       return new IdentityError 
       { 
           Code = nameof(PasswordRequiresUpper),
           Description = "<your error message>"
       }; 
    }
    //... other methods
}

In Startup.cs set IdentityErrorDescriber

public void ConfigureServices(IServiceCollection services)
{
    // ...   
    services.AddIdentity<ApplicationUser, IdentityRole>()
            .AddErrorDescriber<YourIdentityErrorDescriber>();
}

The answer is from https://stackoverflow.com/a/38199890/5426333

edited Jul 10, 2017 at 11:28

Adrian Thompson Phillips

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answered Aug 16, 2016 at 7:26

adem caglin

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