great, thank you veru much. Also I got lot of knowledge.

Thank you very much for your reply. You, genius are exactly in correct track of business.

How do you assign a box to a PO? E.g. item01, box01 could be assigned...

Sorry for the inconvenient, here I have rework on it and appreciate if you can go through it.

-- Just a brief of business scenario is table has...

thank you for your reply. it is a new tric.. I will try it.

great! thts what i want. 😀

Grate!! it works, thank you very much.

Thank you for quick reply.

Year that sound is better. I can guarantee the data. J't tell me the way enableing constraint without validating data?

thank you very much for your quick reply.

That is not the result tht i want.

In Table A,. DropID become ChildID in somecases where typrid = 4 sometimes..

DRPANU010____ DRPANU005____4

DRPANU010____DRPANU006____4

so...