@section toolbar {
    <div class="tool">
        <div class="row">
            @Html.ActionLink( Resources.Strings.Edit, "Edit", "Profile" )
        </div>
        <div class="row">
            @Html.ActionLink( Resources.Strings.Delete, "Delete", "Profile" )
        </div>
    </div >
}

@if (!Model.ReadOnly)
{
    <text>
    @section toolbar {

    }
    </text>
}

@if(!Model.ReadOnly)
{
    @Html.Partial("toolbar")
}

@section SomeSection {
   @if (!Model.ReadOnly)
   {

   }
}

@Html.Partial("MyAction)

public PartialViewResult MyAction()
{
   ...

   // determine readonly status - could have passed this to the action I suppose
   if (ReadOnly)
   {
      return PartialView("TheOneThatDefinesTheSection");
   }
   else
   {
      return PartialView("TheOneThatDoesNotDefineTheSection");
   }
}