var empList = from p in customers

                          select new

                          {

                              p.Personnel_ID,

                              p.PersonName

                          };

            var empTempList = empList.Distinct().ToList();

            Dictionary<string, string> dict = new Dictionary<string, string>();

            if (empTempList != null && empTempList.Count() > )

            {

                foreach (var item in empTempList)

                {

                    dict.Add(item.Personnel_ID, item.PersonName);

                }

            }

            ViewBag.EmpList = dict;