fix: Blanket Order in SO/PO child tables (#21442)

erpnext/public/js/controllers/transaction.js

@@ -175,6 +175,20 @@ erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 			};
 		}
 
+		if (this.frm.fields_dict["items"].grid.get_field('blanket_order')) {
+			this.frm.set_query("blanket_order", "items", function(doc, cdt, cdn) {
+				var item = locals[cdt][cdn];
+				return {
+					query: "erpnext.controllers.queries.get_blanket_orders",
+					filters: {
+						"company": doc.company,
+						"blanket_order_type": doc.doctype === "Sales Order" ? "Selling" : "Purchasing",
+						"item": item.item_code
+					}
+				}
+			});
+		}
+
 	},
 	onload: function() {
 		var me = this;