From acbeaa0255f86bf88f35a1192ec05bfc0d5ac92b Mon Sep 17 00:00:00 2001
From: wei <>
Date: Sun, 1 Apr 2007 07:00:25 +0000
Subject: Fix default button not firing in IE if no validator is assigned to
 the button

---
 framework/Web/UI/WebControls/TImageButton.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'framework/Web/UI/WebControls/TImageButton.php')

diff --git a/framework/Web/UI/WebControls/TImageButton.php b/framework/Web/UI/WebControls/TImageButton.php
index f5c331c1..41de5087 100644
--- a/framework/Web/UI/WebControls/TImageButton.php
+++ b/framework/Web/UI/WebControls/TImageButton.php
@@ -105,7 +105,7 @@ class TImageButton extends TImage implements IPostBackDataHandler, IPostBackEven
 			$writer->addAttribute('name',$uniqueID);
 		if($this->getEnabled(true))
 		{
-			if($this->getEnableClientScript() && $this->canCauseValidation())
+			if($this->getEnableClientScript() && $this->needPostBackScript())
 				$this->renderClientControlScript($writer);
 		}
 		else if($this->getEnabled()) // in this case, parent will not render 'disabled'
@@ -147,6 +147,15 @@ class TImageButton extends TImage implements IPostBackDataHandler, IPostBackEven
 			return false;
 	}
 
+	/**
+	 * @return boolean whether the button needs javascript to do postback
+	 */
+	protected function needPostBackScript()
+	{
+		//IE needs JS to be rendered for default button to work if no validators are assigned to this button
+		return $this->canCauseValidation() || $this->hasEventHandler('OnClick') || $this->hasEventHandler('OnCommand');
+	}
+
 	/**
 	 * Returns postback specifications for the button.
 	 * This method is used by framework and control developers.
-- 
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