[fix] [minor] net_total on sales/purchase register
diff --git a/accounts/report/purchase_register/purchase_register.py b/accounts/report/purchase_register/purchase_register.py
index 0970541..aa55a3b 100644
--- a/accounts/report/purchase_register/purchase_register.py
+++ b/accounts/report/purchase_register/purchase_register.py
@@ -54,7 +54,7 @@
 			row.append(expense_amount)
 		
 		# net total
-		row.append(net_total)
+		row.append(net_total or inv.net_total)
 			
 		# tax account
 		total_tax = 0
@@ -121,7 +121,7 @@
 def get_invoices(filters):
 	conditions = get_conditions(filters)
 	return webnotes.conn.sql("""select name, posting_date, credit_to, supplier, supplier_name, 
-		bill_no, bill_date, remarks, grand_total, outstanding_amount 
+		bill_no, bill_date, remarks, net_total, grand_total, outstanding_amount 
 		from `tabPurchase Invoice` where docstatus = 1 %s 
 		order by posting_date desc, name desc""" % conditions, filters, as_dict=1)
 	
diff --git a/accounts/report/sales_register/sales_register.py b/accounts/report/sales_register/sales_register.py
index 91ad1c2..653b5e6 100644
--- a/accounts/report/sales_register/sales_register.py
+++ b/accounts/report/sales_register/sales_register.py
@@ -54,7 +54,7 @@
 			row.append(income_amount)
 		
 		# net total
-		row.append(net_total)
+		row.append(net_total or inv.net_total)
 			
 		# tax account
 		total_tax = 0
@@ -120,7 +120,7 @@
 def get_invoices(filters):
 	conditions = get_conditions(filters)
 	return webnotes.conn.sql("""select name, posting_date, debit_to, project_name, customer, 
-		customer_name, remarks, grand_total, rounded_total, outstanding_amount 
+		customer_name, remarks, net_total, grand_total, rounded_total, outstanding_amount 
 		from `tabSales Invoice` 
 		where docstatus = 1 %s order by posting_date desc, name desc""" % 
 		conditions, filters, as_dict=1)