RazorGenerator

Generator Types

MvcHelper: Creates a static type that is best suited for writing Mvc specific helper methods.
MvcView: Create a WebViewPage which allows the use of precompiled MVC views.
WebPage: Creates a WebPage type that can be used as WebPages Application Part (such as _Admin and RazorDebugger).
WebPagesHelper: Creates a HelperPage type that is suited for precompiling and distributing WebPages helper.
Template: Generator based on T4 preprocessed template.

Install the 'RazorGenerator.Mvc' package, which registers a special view engine
Go to an MVC Razor view's property and set the Custom Tool to RazorGenerator
Optionally specify a value for Custom Tool Namespace to specify a namespace for the generated file. The project namespace is used by default.
Optionally specify one of the generators in the first line of your Razor file. A generator declaration line looks like this: @* Generator: MvcHelper *@. If you don't specify this, a generator is picked based on convention (e.g. files under Views are treated as MvcViews) NOTE: The selection has other criteria such as detecting "Helper" in the filename and choosing WebPagesHelper for those.
You'll see a generated .cs file under the .cshtml file, which will be used at runtime instead of the .cshtml file
You can also go to the nuget Package Manager Console and run Enable-RazorGenerator to enable the Custom Tool on all the views.
And to cause all the views to be regenerated, go to the nuget Package Manager Console and run Redo-RazorGenerator. This is useful when you update the generator package and it needs to generate different code.
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download RazorGenerator extension

in cshtml under app_code

@* Generator: MvcHelper DisableLinePragmas: true Namespace: BSS.SubProj.Web GeneratePrettyNames : true ExcludeForCodeCoverage : true*@

--helper build action none and custom tool:RazorGenerator

--generated cs- build action compile