From 1503b7c7c90f06d75929fe47fc6ee478d447ae9c Mon Sep 17 00:00:00 2001
From: xue <>
Date: Thu, 12 Jan 2006 20:50:34 +0000
Subject:

---
 framework/Web/UI/WebControls/TBaseValidator.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'framework')

diff --git a/framework/Web/UI/WebControls/TBaseValidator.php b/framework/Web/UI/WebControls/TBaseValidator.php
index 1f1d0b1b..e3fc8b2f 100644
--- a/framework/Web/UI/WebControls/TBaseValidator.php
+++ b/framework/Web/UI/WebControls/TBaseValidator.php
@@ -92,6 +92,7 @@ abstract class TBaseValidator extends TLabel implements IValidator
 	 * @var boolean
 	 */
 	private $_isValid=true;
+	private $_registered=false;
 
 	public function __construct()
 	{
@@ -103,11 +104,14 @@ abstract class TBaseValidator extends TLabel implements IValidator
 	{
 		parent::onInit($param);
 		$this->getPage()->getValidators()->add($this);
+		$this->_registered=true;
 	}
 
 	protected function onUnload($param)
 	{
-		$this->getPage()->getValidators()->remove($this);
+		if($this->_registered && ($page=$this->getPage())!==null)
+			$page->getValidators()->remove($this);
+		$this->_registered=false;
 		parent::onUnload($param);
 	}
 
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