Maybe this will help guide you.
In standard Business Central, purchase order numbers are not directly visible in the Value Entries or Item Ledger Entries, but you can find them by:
✅ Easy Methods (No Customization):
1. Use "Item Ledger Entries" → Navigate → Document
From the Item Ledger Entry, click Navigate > Posted Document to see the related receipt or invoice with the PO number.
2. Check “Posted Purchase Receipts” or “Posted Purchase Invoices”
Add the “Order No.” column to the list — this shows the original PO number.
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🛠️ Customization Example (If Needed):
You can create a page extension on Item Ledger Entries or Value Entries and add a flowfield like:
field("Source Order No."; Code[20])
{
Caption = 'Purchase Order No.';
FieldClass = FlowField;
CalcFormula = Lookup("Purch. Rcpt. Line"."Order No." WHERE ("Document No." = FIELD("Document No.")));
}
This will pull the related PO number directly into the entry view for easier tracking.
Mark below checkbox to make this answer Verified if it helps you. Let me know if you’d like help building the flowfield.
