Roo/form/ComboNested.js

diff --git a/Roo/form/ComboNested.js b/Roo/form/ComboNested.js
index 0e7828f..c0d7ed8 100644 (file)
--- a/Roo/form/ComboNested.js
+++ b/Roo/form/ComboNested.js
@@ -291,7 +291,8 @@ Roo.extend(Roo.form.ComboNested, Roo.form.ComboBox, {
         
         if (!ix.length) {
             this.setFromData({});
-            this.stores[opts.list+1].loadData( [] );
+            var str = this.stores[opts.list+1];
+            str.loadData( str.reader.readerType == 'json' ? { data : [] } : [] );
             return;
         }