From e2aa6353237b3e7481f7c86813e855000753aee0 Mon Sep 17 00:00:00 2001
From: Sean Harvey <sean@silverstripe.com>
Date: Thu, 17 May 2012 14:52:03 +1200
Subject: [PATCH] BUGFIX Ensure GridFieldExportButton uses "text/csv" as the
 MIME type

---
 forms/gridfield/GridFieldExportButton.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/forms/gridfield/GridFieldExportButton.php b/forms/gridfield/GridFieldExportButton.php
index 971864431..eda95b0d3 100644
--- a/forms/gridfield/GridFieldExportButton.php
+++ b/forms/gridfield/GridFieldExportButton.php
@@ -87,7 +87,7 @@ class GridFieldExportButton implements GridField_HTMLProvider, GridField_ActionP
 		$fileName = "export-$now.csv";
 
 		if($fileData = $this->generateExportFileData($gridField)){
-			return SS_HTTPRequest::send_file($fileData, $fileName);
+			return SS_HTTPRequest::send_file($fileData, $fileName, 'text/csv');
 		}
 	}