Hi,
There is no difference between uploading pdf files and uploading common files.
And you can use FileUpload control to upload video. http://www.4guysfromrolla.com/webtech/091201-1.shtml
If your approach for uploading is correct but it can't work, maybe you should set larger maxRequestLength in web.config.
<httpRuntime maxRequestLength="10240"/>
<!--10M-->
If you want to upload mutiple files at one time, you can try this link:
http://www.c-sharpcorner.com/UploadFile/mahesh/FileUpload10092005172118PM/FileUpload.aspx?ArticleID=79850d6d-0e91-4d7b-9e27-a64a09b0ee6b
There are two Three-Party upload controls can achieve uploading mutiple files with progressbar.
http://www.codeproject.com/KB/aspnet/FlashUpload.aspx
http://krystalware.com/
Hope it helps.
================================================
Sincerely,
Vince Xu
Microsoft Online Community Support
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