How to Create Custom TagHelper in ASP.Net MVC 6?

To create a custom TagHelper in ASP.NET MVC 6, follow these steps:

1. Create a new class that inherits from the TagHelper class. For example:

2. Add a [HtmlTargetElement] attribute to the class to specify which HTML elements the tag helper should target. For example:

3. Override the Process method and modify the TagHelperOutput object as necessary to generate the desired HTML output. For example:

4. Build the project to compile the tag helper.

5. In the Razor view where you want to use the custom tag helper, add a @addTagHelper directive at the top of the file to reference the assembly that contains the tag helper. For example:

6. Use the custom tag helper in your HTML code by adding the tag name and any necessary attributes. For example:

When the Razor view is rendered, the custom tag helper will be invoked and modify the output as specified in the Process method.

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