Index: trunk/grails-app/services/InventoryPurchaseService.groovy
===================================================================
--- trunk/grails-app/services/InventoryPurchaseService.groovy	(revision 597)
+++ trunk/grails-app/services/InventoryPurchaseService.groovy	(revision 600)
@@ -233,4 +233,5 @@
 
             result.inventoryItemPurchaseInstance.properties = params
+            result.inventoryItemPurchaseInstance.purchaseOrderNumber = result.inventoryItemPurchaseInstance.purchaseOrderNumber.trim()
 
             if(result.inventoryItemPurchaseInstance.hasErrors() || !result.inventoryItemPurchaseInstance.save())
@@ -255,4 +256,5 @@
 
             result.inventoryItemPurchaseInstance = new InventoryItemPurchase(params)
+            result.inventoryItemPurchaseInstance.purchaseOrderNumber = result.inventoryItemPurchaseInstance.purchaseOrderNumber.trim()
             result.inventoryItemPurchaseInstance.enteredBy = authService.currentUser
             result.inventoryItemPurchaseInstance.inventoryItemPurchaseType = InventoryItemPurchaseType.read(1) // Order