how can i set to show this and another in edit view ?

See more:

C#

MVC3

ASP.NET4

actually what i want to do is?
i want to show the if (model.IsItem==true)
i want to show certain div as it is item in edit view
and if false then i want to hide this
how can i do that ?
plz help !!
controller :

public ActionResult Edit(int id )
 {
 var ParamToEdit = (from pd in _db.Dog join p in _db.animal on pd.dogid equals p.animalid
                    where pd.dogid == id
                    select new ArticleRepository { dog = pd, animal = p }).First();  
                     ViewBag.DTypes = (dat.GetStateName());
                     ViewBag.dp = (dat.GetTrueFalse()); 
                  return View(ParamToEdit);
            }

view--

@model MvcDemo.Models.ObjectManager.ArticleRepository
 
@{
      ViewBag.Title = "Edit";
}
   @using (Html.BeginForm())
         {
            @Html.ValidationSummary(true)  
            <ul><h2>Parameter</h2></ul>
            <div class="editor-label">
                  @Html.LabelFor(model => model.cat.catid)
            </div>
            <div class="editor-field">        
                  @Html.DisplayFor(model => model.cat.catid)
                  @Html.ValidationMessageFor(model => model.cat.catid)
            </div>
 
            <div class="editor-label">
                  @Html.editorfor(model => model.dog.dogid)
            </div>
if(model.animal.animaltype==dog)
{
   <div>@html.editorfor(model=model.dog.dogname)</div>
}
else hide this;