builder.AppendFormat(" update rb_class_time SET StartTime='{0}' ,EndTime='{1}' where ClassTimeId ={1};",itemTime.StartTime,itemTime.EndTime,itemTime.ClassTimeId);
builder.AppendFormat(" update rb_class_time SET StartTime='{0}' ,EndTime='{1}' where ClassTimeId ={2};",itemTime.StartTime,itemTime.EndTime,itemTime.ClassTimeId);