private void LoadPrivOrg()
        {
            PrivilegeService proxy = Common.Util.CreateProxy();

            using (proxy as IDisposable)
            {
                privOrgDictionary = proxy.QueryAuthorityPrivOrg(currentUser);
                if (privOrgDictionary == null)
                {
                    privOrgDictionary = new Dictionary <string, List <string> >();
                }
            }
        }