public ViewResult Update(int sisterid)
        {
            SisterMaster obj = new SisterMaster();

            if (sisterid > 0)
            {
                obj.CMD = "Update";
                //obj = obj.GetSingleSister(sisterid);
                obj = obj.GetSingleSister(sisterid, Convert.ToInt32(Session["hospital"].ToString()));
            }
            return(View("Registration", obj));
        }