From: Alan Knowles <alan@roojs.com>
Date: Wed, 28 Aug 2013 04:38:37 +0000 (+0800)
Subject: Roo/form/ComboCheck.js
X-Git-Url: http://git.roojs.org/?a=commitdiff_plain;h=425c3785c529d9bf617098032d04cdfdfe56dd47;p=roojs1

Roo/form/ComboCheck.js
---

diff --git a/Roo/form/ComboCheck.js b/Roo/form/ComboCheck.js
index 1903b8f548..c96eeef2c8 100644
--- a/Roo/form/ComboCheck.js
+++ b/Roo/form/ComboCheck.js
@@ -141,7 +141,7 @@ Roo.extend(Roo.form.ComboCheck, Roo.form.ComboBox, {
     expand : function ()
     {
         Roo.form.ComboCheck.superclass.expand.call(this);
-        this.valueBefore = this.value;
+        this.valueBefore = tyepof(this.value) == 'undefined' ? '' : this.value;
         
 
     },