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razorasp.net-coreasp.net-core-mvc

@helper directive no longer works out of the box in ASP.NET5 MVC6 beta4.

Since I updated my ASP.NET5 project to beta4 (the one included with Visual Studio 2015 RC), any of my Razor views where I use a helper, such as:

@helper foo()
{
   <h2>Bar</h2>
}

results in the following error:

error CS0103: The name 'helper' does not exist in the current context.

Is the @helper directive no longer supported? Can someone point me to anything useful about the issue?

Solution

  • The @helper directive was removed since beta 4 because it imposed too many restrictions on other Razor features: https://github.com/aspnet/Razor/issues/281.

    Edit
    To be clear: based on the discussion in the GitHub issue(s) Microsoft is not planning to bring the @helper directive back or replace it in ASP.NET Core.