//delete forum post via forum id
 //NOTE: if user did not delete forum before removing account, name displayed on post
 //will be [deleted], like reddit
 public string Delete(int id)
 {
     using (ThyroidDataEntities entities = new ThyroidDataEntities())
     {
         disease_forum postid = entities.disease_forum.Find(id);
         entities.disease_forum.Remove(postid);
         entities.SaveChanges();
         return("Forum Deleted Successfully");
     }
 }
        //add forum post
        public void POST(disease_forum forumdetails)
        {
            using (ThyroidDataEntities entities = new ThyroidDataEntities())
            {
                entities.disease_forum.Add(forumdetails);


                entities.SaveChanges();
            }
        }
        //update forum by forum id
        public void PUT(int id, disease_forum forum)
        {
            using (ThyroidDataEntities entities = new ThyroidDataEntities())
            {
                var fpost = entities.disease_forum.Find(id);
                fpost.post_title       = forum.post_title;
                fpost.post_description = forum.post_description;
                fpost.disease_name     = forum.disease_name;
                fpost.user_name        = forum.user_name;

                entities.Entry(fpost).State = System.Data.Entity.EntityState.Modified;
                entities.SaveChanges();
            }
        }