Adding array of complex types to RouteValueDictionary

Question

I was wondering if there is an elegant way to add an array of complex types to a RouteValueDictionary or compatible type?

For example, if I have a class and an actio

Answer 1

Well, I am open to other (more elegant) solutions, but I did get it working by taking the extension method found at this q/a: https://stackoverflow.com/a/5208050/1228414 and adapting it to use reflection for complex type properties instead of assuming primitive type arrays.

My code:

public static RouteValueDictionary ToRouteValueDictionaryWithCollection(this RouteValueDictionary routeValues)
{
    RouteValueDictionary newRouteValues = new RouteValueDictionary();

    foreach (var key in routeValues.Keys)
    {
        object value = routeValues[key];

        if (value is IEnumerable && !(value is string))
        {
            int index = 0;
            foreach (object val in (IEnumerable)value)
            {
                PropertyInfo[] properties = val.GetType().GetProperties();
                foreach (PropertyInfo propInfo in properties)
                {
                    newRouteValues.Add(
                        String.Format("{0}[{1}].{2}", key, index, propInfo.Name),
                        propInfo.GetValue(val));
                }
                index++;
            }
        }
        else
        {
            newRouteValues.Add(key, value);
        }
    }

    return newRouteValues;
}