builder.AppendFormat(" update RB_Class_Plan SET ClassRoomId={0} where ClassPlanId in({1})",newChangePlanItemList.FirstOrDefault().ClassRoomId,string.Join(",",oldChangePlanItemList.Select(x=>x.ClassRoomId)));
builder.AppendFormat(" update RB_Class_Plan SET ClassRoomId={0} where ClassPlanId in({1})",newChangePlanItemList.FirstOrDefault().ClassRoomId,string.Join(",",oldChangePlanItemList.Select(x=>x.ClassPlanId)));