public ResultModel GetEntryOneToDel(string sAMAccountName)

        {

            bool del=false;

            ResultModel result = new ResultModel();

            foreach (var ldap in LDAPStore)

            {

                ADHelper.DomainName = ldap.DomainName;

                ADHelper.LDAPDomain = ldap.LDAPDomain; //ADHelper.DomainName = ldap.LDAPDomain;

                ADHelper.ADPath = ldap.ADPath;

                ADHelper.ADUser = ldap.ADUser;

                ADHelper.ADPassword = ldap.ADPassword;

                if (ADHelper.IsAccExists(sAMAccountName))

                {

                    del = true;

                    break;

                }

            }

            if (del == true)

            {

                DirectoryEntry de = null;

                DirectoryEntry userEntry = new DirectoryEntry();

                try

                {

                    de = ADHelper.GetDirectoryObject();

                    DirectorySearcher deSearch = new DirectorySearcher(de);

                    deSearch.Filter = "(&(&(objectCategory=person)(objectClass=user))(sAMAccountName=" +

                        sAMAccountName + "))";       // LDAP 查询串

                    SearchResult sr = deSearch.FindOne();

                    userEntry = sr.GetDirectoryEntry();

                    de = userEntry.Parent;

                    de.Children.Remove(userEntry);

                    de.CommitChanges();

                    de.Dispose();

                    userEntry.Dispose();

                    result.ExecResult = ExecResult.Success;

                    return result;

                }

                catch (Exception ex)

                {

                    de.Dispose();

                    userEntry.Dispose();

                    result.ExecResult = ExecResult.Failure;

                    LogHelper.WriteLog(new LogModel(Level.Error, DateTime.Now, "del ADAccount is error: " + ex.Message));

                    return result;

                }

            }

            else

            {

                result.ExecResult = ExecResult.Failure;

                result.ResultMessage = "无此帐号";

                LogHelper.WriteLog(new LogModel(Level.Error, DateTime.Now, "del ADAccount is not  Exists" ));

                return result;

            }

        }