[fix] link with supplier quotation to purchase order
diff --git a/erpnext/buying/doctype/supplier_quotation/supplier_quotation.py b/erpnext/buying/doctype/supplier_quotation/supplier_quotation.py
index c395d0c..b221a08 100644
--- a/erpnext/buying/doctype/supplier_quotation/supplier_quotation.py
+++ b/erpnext/buying/doctype/supplier_quotation/supplier_quotation.py
@@ -124,7 +124,8 @@
 				["name", "supplier_quotation_item"],
 				["parent", "supplier_quotation"],
 				["material_request", "material_request"],
-				["material_request_item", "material_request_item"]
+				["material_request_item", "material_request_item"],
+				["sales_order", "sales_order"]
 			],
 			"postprocess": update_item
 		},
diff --git a/erpnext/buying/doctype/supplier_quotation_item/supplier_quotation_item.json b/erpnext/buying/doctype/supplier_quotation_item/supplier_quotation_item.json
index b3a55b6..da78c12 100644
--- a/erpnext/buying/doctype/supplier_quotation_item/supplier_quotation_item.json
+++ b/erpnext/buying/doctype/supplier_quotation_item/supplier_quotation_item.json
@@ -1332,6 +1332,37 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fieldname": "sales_order", 
+   "fieldtype": "Link", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Sales Order", 
+   "length": 0, 
+   "no_copy": 0, 
+   "options": "Sales Order", 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 1, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 1, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "request_for_quotation", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -1614,7 +1645,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2017-12-14 09:37:47.427897", 
+ "modified": "2018-01-25 15:04:40.171617", 
  "modified_by": "Administrator", 
  "module": "Buying", 
  "name": "Supplier Quotation Item", 
diff --git a/erpnext/stock/doctype/material_request/material_request.py b/erpnext/stock/doctype/material_request/material_request.py
index c4059c1..defce62 100644
--- a/erpnext/stock/doctype/material_request/material_request.py
+++ b/erpnext/stock/doctype/material_request/material_request.py
@@ -345,7 +345,8 @@
 			"doctype": "Supplier Quotation Item",
 			"field_map": {
 				"name": "material_request_item",
-				"parent": "material_request"
+				"parent": "material_request",
+				"sales_order": "sales_order"
 			}
 		}
 	}, target_doc, postprocess)