ASP.NET MVC - pass htmlAttributes as parameter

Question

I want to pass htmlAttributes as parameter to my HtmlHelper similar as it created in Html.ActionLink("linktext", "Home", null, new{width="100px"}) How to pass this new{width="100px"} to my method

    public static string SelectCategoryAdminWithAllItem(this HtmlHelper htmlHelper, string name, **???**)
    { }

and how to parse it?

Thanks

archil · Accepted Answer · 2011-06-06 11:17:18Z

5

Always try to look at sources when interested with this kind of questions. From the implementation of HtmlHelper.TextBox

public static MvcHtmlString TextBox(this HtmlHelper htmlHelper, string name, object value, object htmlAttributes)
{
    return htmlHelper.TextBox(name, value, HtmlHelper.AnonymousObjectToHtmlAttributes(htmlAttributes));
}

as you see, type of parameter is object as you cant use anonymous types as parameters to methods, and object is choice. And when parsing it, you can use HtmlHelper.AnonymousObjectToHtmlAttributes Method

answered Jun 6, 2011 at 11:17

archil

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1 Comment

Oleg Sh Over a year ago

I use ASP.NET MVC 2.0, not 3.0 :(

Chao · Accepted Answer · 2011-06-06 12:59:36Z

3

I looked through the source for MVC2 when trying to figure this one out. In MVC2 they used an overload of RouteValueDictionary in System.Web.Routing to turn an object to a dictionary rather than having a helper method available like in MVC3.

public static MvcHtmlString TextBox(this HtmlHelper htmlHelper, string name, object value, object htmlAttributes)
{
    return htmlHelper.TextBox(name, value, new RouteValueDictionary(htmlAttributes));
}

A bit counter intuitive but that's the standard in 2.

Edit: Updated tags to include mvc2

edited Jun 6, 2011 at 12:59

answered Jun 6, 2011 at 12:52

Chao

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