void win_SubmitEvent(AddUserGroup obj)
        {
            try
            {
                foreach (var item in UserGroups)
                {
                    if (item.UserGroupName == obj.UserGroupInstance.UserGroupName)
                    {
                        MessageBox.Show("已存在相同名称的分组!");
                        return;
                    }
                }

                ErrType rst = _businessService.AddUserGroups(obj.UserGroupInstance, _loginID);
                if (rst.Err != ERR.SUCCESS)
                {
                    MessageBox.Show("添加用户分组失败:" + rst.ErrMsg);
                }
                else
                {
                    UserGroups.Add(obj.UserGroupInstance);
                    MessageBox.Show("添加用户分组成功");
                    obj.Close();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("添加用户分组失败:" + ex.Message);

            }
        }
        /// <summary>
        /// 添加用户分组
        /// </summary>
        private void AddUserGroupEx()
        {
            AddUserGroup win = new AddUserGroup();
            win.SubmitEvent += new Action<AddUserGroup>(win_SubmitEvent);
            win.ShowDialog();

        }