Can't load a DropDownList with values

I'm following the NerdDinner tutorial while building my own application.

The tutorial gives this:

public ActionResult Edit(int id) {
 
Dinner dinner = dinnerRepository.GetDinner(id);
 
ViewData["Countries"] = new SelectList(PhoneValidator.AllCountries, dinner.Country);
 
return View(dinner);
}

My code is like this:

public ActionResult Edit(int id)
        {
            Area area = areaRepository.GetArea(id);
            JefeRepository jefe = new JefeRepository();
            ViewData["Jefes"] = new SelectList(jefe.FindAllJefes(), area.Jefe.Nombre);
            return View(area);
        }

The FindAllJefes() returns a IQueryable collection. Right now when I run the application the dropdownlist loads with two items: SeguimientoDocente.Jefe and SeguimientoDocente.Jefe.

It seems it's loading the type and not the actual value I want.

Edit

I just realized this isn't a bug. The code is doing exactly what I'm telling it to do. What would be the most efficient way of retrieving the name of each Jefe?

Use another constructor for SelectList where you specify which property of SeguimientoDocente should be a value and which property should be displayed as text. Something like:

ViewData["Jefes"] = new SelectList(jefe.FindAllJefes(), "Id", "Name", area.Jefe.Nombre);