Content-Dispositon issue in IE9

[karim481]

Hi,
I want to download a file as an attachment to IE9 browser. I have written the code to perform this and is working fine in IE6 and Ie7 but not in IE9. When i click open button in IE9 information bar it says "file might have been moved or deleted". But sometimes IE9 is opening the documents. Please find the below code which i am using. Please help me in resolving the issue.

servletOutputStream = response.getOutputStream();
response.setContentType("text/richtext");
response.setHeader("Content-Disposition", "attachment;filename=one.rtf");
response.setContentLength(byteArrayGrid.length);
servletOutputStream.write(byteArrayGrid);
servletOutputStream.flush();

[OC-John]

Whether the file name includes any special characters?