mvc 4 assembly reference missing for Json.Encode

  1. References in solutions explorer > right click > Add reference
  2. Under Assemblies > Framework, search for “System.Web.Helpers” Double click
  3. System.Web.Helpers version 2.0.0.0 and click ok. Find the
  4. System.Web.Helpers you’ve just added > right click it > properties.
  5. Change “Copy Local” from false, to true

And now @Json.Encode should work.

Update

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