c# - How to extend TextAreaFor in MVC -

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i know how extend textboxfor :

public static mvchtmlstring textboxfor<tmodel, tvalue>(this htmlhelper<tmodel> htmlhelper, expression<func<tmodel, tvalue>> expression, object htmlattributes)         {             mvchtmlstring html = default(mvchtmlstring);             routevaluedictionary routevalues = new routevaluedictionary(htmlattributes);                      html = system.web.mvc.html.inputextensions.textboxfor(htmlhelper, expression, routevalues);             return html;         }

i want same textareafor unfortunately system.web.mvc.html.inputextensions dose not contain textareafor method. how can solve ?

see doc, it's in textareaextensions static class

return system.web.mvc.html.textareaextensions.textareafor(htmlhelper, expression, routevalues);

or just

return htmlhelper.textareafor(expression, routevalues);

by way, third argument (as in textboxfor) idictionary<string, object> htmlattributes, nothing routevalues.

it's working because routevaluedictionary implements idictionary<string, object>, arguments confusing.


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