How to maintain a purchase order

First go to task bar then select purchase order option after that you see a new window open which is as follows.

This window is open when u click on purchase order option . in this picture u see the Performs of purchase order.

In this window we should maintain vendors account for further proceed. We should enter id or name for purchase order.

Then we enter  quantity  and item which we should buy or purchase .

In this window we should enter item id and description of item which we should purchase.

1.Then fill all the necessary columns which we needed.

2.Then we should enter quantity and order no is compulsory.