Pure ASP Upload - Restricting upload file types
Restricting upload file types
In this tutorial we will explain how to only allow specific files to be uploaded. You can restrict unwanted file types from being uploaded (depending on their extension).
How to do it
To make the file upload with restricted file types, you need to:
- Start with basic upload page
Start with an upload page where you have Pure ASP Upload on it. If you haven't done it yet, go through the Simple file upload tutorial.
- Open the Pure ASP Upload dialog
Select the Pure ASP Upload dialog by double clicking it on the Sever behaviors list.
- Select the Allowed Extensions
- Save and done
When you need to restrict the uploaded files to specific number of extensions, you need to select the Allowed Extensions field.
First choose the extensions type. All means no restriction, Images Only will fill in the most common image extensions and Custom will allow you to enter your own comma separated list of allowed extensions.
In this example we've chosen to only allow our users to upload Images Only.
So now you choose for example to upload Images Only
Save your page and upload it to your server, and you are done! Go to your website and test it - you should only be able to upload images now.
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