I have this problem on my form... says the file extension is not allowed on iPhone.  Users are able to take photos and upload that, but not select photos from their gallery to upload.   Works fine on Androids.   Any suggestions??   Error looks like this: ...

Hello How can I specify alternative user credentials for the Ajax Uploader to use when accessing the TempDirectory? We have technical requirement to be able to specify a directory for which the aspnet account does not have permission. But I can't find any options to be able to set a an alternative user name and password to use.