From 44b037c21c07dc5e857aa5a2b9f46ec23d7506bf Mon Sep 17 00:00:00 2001
From: Samuel Georges <sam@daftspunk.com>
Date: Wed, 25 Mar 2015 19:33:19 +1100
Subject: [PATCH] Prevents doubling up of dataset

---
 modules/backend/formwidgets/DataTable.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/backend/formwidgets/DataTable.php b/modules/backend/formwidgets/DataTable.php
index 1adf51e20..c9e37a955 100644
--- a/modules/backend/formwidgets/DataTable.php
+++ b/modules/backend/formwidgets/DataTable.php
@@ -138,6 +138,8 @@ class DataTable extends FormWidgetBase
         // all records at once. -ab
 
         $records = $this->getLoadValue() ?: [];
+
+        $dataSource->purge();
         $dataSource->initRecords((array) $records);
     }