fix(ux): show row index and field label while selecting the Sales Order Item
diff --git a/erpnext/controllers/queries.py b/erpnext/controllers/queries.py
index 199732b..e858820 100644
--- a/erpnext/controllers/queries.py
+++ b/erpnext/controllers/queries.py
@@ -891,3 +891,31 @@
 			as_list=1,
 		)
 	return terms
+
+
+@frappe.whitelist()
+@frappe.validate_and_sanitize_search_inputs
+def get_filtered_child_rows(doctype, txt, searchfield, start, page_len, filters) -> list:
+	table = frappe.qb.DocType(doctype)
+	query = (
+		frappe.qb.from_(table)
+		.select(
+			table.name,
+			Concat("#", table.idx, ", ", table.item_code),
+		)
+		.orderby(table.idx)
+		.offset(start)
+		.limit(page_len)
+	)
+
+	if filters:
+		for field, value in filters.items():
+			query = query.where(table[field] == value)
+
+	if txt:
+		txt += "%"
+		query = query.where(
+			((table.idx.like(txt.replace("#", ""))) | (table.item_code.like(txt))) | (table.name.like(txt))
+		)
+
+	return query.run(as_dict=False)
diff --git a/erpnext/selling/doctype/sales_order/sales_order.js b/erpnext/selling/doctype/sales_order/sales_order.js
index be02877..0d36f23 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.js
+++ b/erpnext/selling/doctype/sales_order/sales_order.js
@@ -225,6 +225,7 @@
 							in_list_view: 1,
 							get_query: () => {
 								return {
+									query: "erpnext.controllers.queries.get_filtered_child_rows",
 									filters: {
 										"parenttype": frm.doc.doctype,
 										"parent": frm.doc.name,