public List<sp_ProjectEventContact_DM> ListEventsContacts(Guid? EventID,Guid? ContactID)
        {
            List<sp_ProjectEventContact_DM> list = new List<sp_ProjectEventContact_DM>();
            try
            {
                using (VolTeerEntities context = new VolTeerEntities())
                {
                    list = (from result in context.sp_ProjectEventContact_Select(EventID,ContactID)
                            select new sp_ProjectEventContact_DM
                            {
                                EventID = result.EventID,
                                ContactID = result.ContactID,
                                PrimaryContact = result.PrimaryContact
                            }).ToList();
                } // Guaranteed to close the Connection
            }
            catch (Exception ex)
            {
                throw (ex);
            }

            return list;
        }