Getting error in umbraco There is not current PublishedContentRequest, it must be initialized before the RenderRouteHandler executes

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ASP.NET

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Hello,

Right Now i am working on Umraco CMS. It's good to work on that.
But Now i have some doubts related get data from database.
My question is how to edit/delete data which are getting from database.
when i trying to click on edit button by using

@Html.ActionLink("Edit", "EditWrittenExam", new { id = certi.id })

that time "There is not current PublishedContentRequest, it must be initialized before the RenderRouteHandler executes"
this error is occurred.


Here My code.
writtenexamsurfacecontroller.cs

 public class WrittenExamSurfaceController : SurfaceController
    {  
       public ActionResult EditWrittenExam(int id)
        {
            var repo = new ABORepository();
            return View(repo);
        }

        //[HttpPost]
        [ChildActionOnly]
        public ActionResult EditWrittenExam(WrittenExam editwrittenexam)
        {
            var repo = new ABORepository();
            repo.EditWrittenExam(editwrittenexam);
            return CurrentUmbracoPage();
        }
}

Simply when i can press edit button than open new page and editable that data.


Thanks.