Roo/form/ComboBoxArray.js

diff --git a/Roo/form/ComboBoxArray.js b/Roo/form/ComboBoxArray.js
index 8dd327a..256d32b 100644 (file)
--- a/Roo/form/ComboBoxArray.js
+++ b/Roo/form/ComboBoxArray.js
@@ -301,7 +301,7 @@ Roo.extend(Roo.form.ComboBoxArray, Roo.form.TextField,
         this.reset();
         this.el.dom.value = v[this.displayField];
         this.hiddenEl.dom.value = v[this.valueField];
-        if (!v[this.valueField].length) {
+        if (typeof(v[this.valueField].) == 'undefined' || !v[this.valueField].length) {
             return;
         }
         var keys = v[this.valueField].split(',');