Htmlstring class Create HTML hepler extension MVC textbox component

First step: Define a static class
Step two: Define a static method
1  Public Static classMytextboxex () {2      //three elements of the extension method:3         //1. Static Class4         //2. Static Methods5         //3.this Keywords6          Public StaticHtmlstring Textboxex ( ThisHtmlHelper Helper,stringTypestringvalue)7         {8             return NewHtmlstring (string. Format ("<input type= ' {0} ' value= ' {1} '/>", type, value));9         }Ten}

Step three: Change the namespace to SYSTEM.WEB.MVC
Fourth Step: Razor page Call
@Html. Textboxex ("text", "Test text box class");

Htmlstring class Create HTML hepler extension MVC textbox component