Getting error "Child actions are not allowed to perform redirect actions" in MVC

I am using ASP.NET MVC and trying to use HTML.RenderAction to render partial View, inside Main View, but getting error as "Child actions are not allowed to perform redirect actions."

Here is my .cshtml code 

<div class="col-lg-3">
        @{Html.RenderAction("GetLeftMenu", new { category = Model.Category });}
    </div>
    <div class="col-lg-9">
        @Html.Raw(Model.TutorialText)
  </div>
</div>

and Here is my C# controller code

       [AllowAnonymous]
        public ActionResult GetLeftMenu(string category)
        {
            using (var context = new ModelEntities())
            {                           
                  var  List = context.Tuts.Where(a => a.Category == category && a.IsActive == true).Select(a=> new TutorialLeftMenu { Title= a.TutorialTitle, Id= a.Id, URL=a.TutorialURL, Order=Convert.ToInt32(a.TutOrder),MainHeader=a.MainHeader, Category=a.Category }).OrderBy(a=>a.Order).ToList();
                  return PartialView(List);
                
            }
           
        }

how can I resolve this error?

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1 Answers