How to mask a file type for uploading

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Hello,

I am using FileUpload control to upload files. My requirement is when I click the Browse button, I should be able to see files of .pdf only. How can I mask for the File Type to be shown.

Thanks in advance.

Posted 22-Aug-10 21:16pm

bedathur_ganesh

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Nuri Ismail · Answer 1 · 2010-08-22T21:55:00

Solution 1

No. There is no way to set a direct filter to FileUpload control but you can add a file filtering logic that accepts only given file formats. This logic can be implemented on client or server side.
Check out this[^] article for implementation details.

:)

Posted 22-Aug-10 21:55pm

Nuri Ismail

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bedathur_ganesh 23-Aug-10 6:04am

Thanks for the reply.. At present, we are implementing it using Javascript. But, I need to implement it by applying FileType masking.

Nuri Ismail 23-Aug-10 6:24am

AFAIK, there is know way to display only given file types (like OpenFileDialog on Winforms does), because you cannot set a filter. The FileUpload control will always show all file types and you have to validate yourself on the client or/and on the server side.