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How to limit file types uploaded

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AsyncUpload
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Al
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Al asked on 13 Aug 2015, 03:02 PM

Hi,

In my aspx, I have tried setting 'AllowedFileExtensions='.xls,.xlsx' and <FileFilters><FileFilter Exntensions='xls,xlsx'> but neither seem to have any effect - please advise.

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Dimitar
Telerik team
answered on 13 Aug 2015, 03:33 PM
Hi,

You may browse the RadAsyncUpload Overview and Validation demos which show how file extensions validation could be implemented. I hope that they will get you in the right direction.

Regards,
Dimitar
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Al
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answered on 14 Aug 2015, 06:07 AM
Thanks Dimitar - so if I understand correctly it is not possible to limit the type of file that is selected, instead I need to ​validate after the file is selected and then ​handle the types from there on?
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Dimitar
Telerik team
answered on 14 Aug 2015, 06:48 AM
Hi,

Yes, this is correct. You cannot limit the type of file a user may try to select from the popup OS window. But you may validate if the chosen file matches the required file type, specified by the allowed extensions.

Regards,
Dimitar
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