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HTTP Compression
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HTTP Compression problem
Some users report that if they configure HTTP Compression in IIS, they encounter errors while sending generated files to client browsers.
Explanation
We use the “Content-Disposition: inline; filename=test.xls” header to force the browser to open the file, and the “Content-Disposition: attachment; filename=test.xls” header to display the Save As dialog and open the file with Microsoft Excel. However, there are some exceptions that do exist.
Exceptions
You can use the following code to verify that it is not a bug in Aspose.
Solutions
You can use one of the following workarounds to solve this problem:
- Move those specified ASP.NET files (which contain code calling Aspose.Cells) to another folder that is not compressed.
- Disable HTTP Compression for dynamic content.
- Save the generated file on your server and provide a link to your users.
If you do wish to use HTTP Compression, please always use the OpenInExcel option instead of the OpenInBrowser option when you have enabled IIS compression.