This is because there is no way for the tooling to tell what the final rendered element will be. My Tag Helper renders to an tag, but at design time there is no IntelliSense for img attributes. HTML IntelliSense is Missing from Custom Tag Helpers Visual Studio 2010 VS100COMNTOOLS Visual Studio 2012 VS110COMNTOOLS Visual Studio 2013 VS120COMNTOOLS However, for Visual Studio 2012 and later, you need to use a different UpdateSchemaCache.js All other instructions are same. Now Tag Helpers should be highlighted in purple, and there should be IntelliSense (Note: in the current RC 1 tooling, we may need to close and re-open the Razor file):
This package is what gives Visual Studio the tooling support for Tag Helpers. To solve this, add the package as a dependency in the MVC project's project.json file (Note: in ASP.NET Core 1.0 RC 2, this may need to be added to the tools section instead of dependencies). Here I created a Tag Helper, but it's not being highlighted as a Tag Helper. Often this is because we created the project from scratch instead of using a Visual Studio or Yeoman generated template. If Tag Helper IntelliSense is missing completely in Visual Studio, chances are, the package is missing from the project. But you can change it to C 5 or lower version check it out here.
If you are creating a project in Visual Studio 2015 with latest version of framework then the default version of C is C 6.
Tag Helper IntelliSense is Missing Entirely C 6 introduced about a year ago and it has a lot of new features and after release of Visual Studio 2015 C 6 became the default language version of C.
#Visual studio 2015 intellisense async how to#
In this post, I'll talk about two Tag Helper IntelliSense problems in Visual Studio and how to resolve them. While creating custom Tag Helpers, sometimes we end up with Tag Helpers that work perfectly fine at runtime, but design-time IntelliSense is missing in Visual Studio. Razor Tag Helpers is a great new feature in ASP.NET Core.
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