Merge pull request #238 from creamdory/erpnext_#13925

Amend SO and PO Documentations

foundation/www/docs/user/manual/en/buying/articles/amending-purchase-order-after-submit.md

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+<!-- add-breadcrumbs -->
+#Amending Purchase Order after Submit
+Rate and Qty in Purchase Order can now be amended after Submit using the `Update Items` button.
+
+<img alt="Update Items" class="screenshot" src="{{docs_base_url}}/assets/img/articles/po-update-items.png">
+
+To Update Rate and Qty in a Submitted Purchase Order, click on the `Update Items` button. A dialog will pop up to let you make the change.
+
+<img alt="Update Items" class="screenshot" src="{{docs_base_url}}/assets/img/articles/po-update-items-rate-and-qty.gif">
+
+Please Note the following validations and usecases:
+
+- Update Features checks if Purchase Order has Purchase Receipt and Purchase Invoice.
+- Qty can be updated for un-received and for partially-received Purchase Order. For Purchase Order with completed Purchase Receipt, it cannot be updated.
+- Rate can be updated for un-invoiced and partially-invoiced Purchase Order. For Purchase Order with submitted Purchase Invoice, it cannot be updated.

foundation/www/docs/user/manual/en/selling/articles/amending-sales-order-after-submit.md

@@ -0,0 +1,15 @@
+<!-- add-breadcrumbs -->
+#Amending Sales Order after Submit
+Rate and Qty in Sales Order can now be amended after Submit using the `Update Items` button.
+
+<img alt="Update Items" class="screenshot" src="{{docs_base_url}}/assets/img/articles/so-update-items.png">
+
+To Update Rate and Qty in a Submitted Sales Order, click on the `Update Items` button. A dialog will pop up to let you make the change.
+
+<img alt="Update Items" class="screenshot" src="{{docs_base_url}}/assets/img/articles/so-update-items-rate-and-qty.gif">
+
+Please Note the following validations and usecases:
+
+- Update Features checks if Sales Order has Delivery Note and Sales Invoice.
+- Qty can be updated for undelivered Sales Order and for Partial Delivery Note. For Sales Order with completed Delivery Notes, it cannot be updated.
+- Rate can be updated for un-invoiced and partially-invoiced Sales Order. For Sales Order with submitted Sales Invoice, it cannot be updated.