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How to identify Size of a PDF file in JavaScript?

Posted on 2009-04-01
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Last Modified: 2012-05-06
Hi All,
In our ASP.NET, Ajax Based application, I have a requirement of uploading pdf files, and the need is to restrict the files to a specific file size.
It is possible to check the file with a ActiveX - FSO, which needs changes to Security settings of IE.

Is there a way to identify the size of the PDF files at the client side (Javascript) without using ActiveX objects?

Thanks in advance.
-Vidhee    
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Question by:vidhee
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Expert Comment

by:Morcalavin
ID: 24038262
Without using active-x, there is no way to identify the size of a file using javascript.
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Author Comment

by:vidhee
ID: 24104071
thanks a lot for the reply.
Out of curious, i have a question.
There are so many upload tools available in the market which does evaluate the file size before upload. One of the example is the ComponentArt Upload tool.
Does that mean that there are some alternatives to evaluate the file information at the client side?
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Accepted Solution

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Morcalavin earned 1000 total points
ID: 24704416
It is possible to check for filesize using things like Java applets, since they run client size, but have more access to the filesystem, provided they are signed and the user allows them to be installed.
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