public static T Snapshoot<T>(this XtraForm form, T obj)        {            var config = new DefaultMapConfig();            config.SetConfigName("AllField");            var map = EmitMapper.ObjectMapperManager.DefaultInstance.GetMapper<T, T>(config);            var config2 = map.MapperImpl.MappingConfigurator as DefaultMapConfig;                                    return  map.Map(obj);        }        public static T Restore<T>(this XtraForm form, T src, T tag)        {            var config = new DefaultMapConfig().IgnoreMembers<T, T>(new string[] { "EntityKey", "EntityState" });            config.SetConfigName("NoEntityKey");            var map = EmitMapper.ObjectMapperManager.DefaultInstance.GetMapper<T, T>(config);            var config2 = map.MapperImpl.MappingConfigurator as DefaultMapConfig;                  return map.Map(src,tag);        }