From 1458d5b9731d8d0fde6d85df09f0643f8055ac47 Mon Sep 17 00:00:00 2001
From: Sean Harvey <sean@silverstripe.com>
Date: Thu, 13 Nov 2008 01:43:38 +0000
Subject: [PATCH] BUGFIX Fixed deletion of RedirectorPage

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@65769 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 forms/TreeDropdownField.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/forms/TreeDropdownField.php b/forms/TreeDropdownField.php
index eb53dbc0e..ff78b27fe 100755
--- a/forms/TreeDropdownField.php
+++ b/forms/TreeDropdownField.php
@@ -124,8 +124,9 @@ HTML;
 
 	function performReadonlyTransformation() {
 		$fieldName = $this->labelField;
+		$value = ($this->getByKey($this->value)) ? $this->getByKey($this->value)->$fieldName : '';
 		$source = array(
-			$this->value => $this->getByKey($this->value)->$fieldName
+			$this->value => $value
 		);
 		$field = new LookupField($this->name, $this->title, $source);
 		$field->setValue($this->value);