ASP.NET MVC – Pass array object as a route value within Html.ActionLink(…)

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Try creating a RouteValueDictionary holding your values. You’ll have to give each entry a different key.

<%  var rv = new RouteValueDictionary();
    var strings = GetStringArray();
    for (int i = 0; i < strings.Length; ++i)
    {
        rv["str[" + i + "]"] = strings[i];
    }
 %>

<%= Html.ActionLink( "Link", "Action", "Controller", rv, null ) %>

will give you a link like

<a href="https://stackoverflow.com/Controller/Action?str=val0&str=val1&...">Link</a>

EDIT: MVC2 changed the ValueProvider interface to make my original answer obsolete. You should use a model with an array of strings as a property.

public class Model
{
    public string Str[] { get; set; }
}

Then the model binder will populate your model with the values that you pass in the URL.

public ActionResult Action( Model model )
{
    var str0 = model.Str[0];
}

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