Help: IPhone upload images to the server

I saw on the Internet IPhone uploaded to the server using the PHP web receiver, address: http://blog.sina.com.cn/s/blog_60b45f230100j4vq.html
I will asp.net, ask how combined with ASP.net and IPhone mobile terminal to achieve pictures uploaded to the server?
Help!!!

focus in: if (move_uploaded_file ($ _FILES ['userfile'] ['tmp_name'], $ uploadfile))
How to use ASP to achieve PHP's move_uploaded_file ();


Reply:
Why not use the http post?
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cited a floor ultrapro reply:

not use the http post it?

I did not realize using ASP.net, websites are always reported to the server can not find the file.
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If you tell me who "pushed map" process technology to achieve what would be great,!! 1
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Pictures in the iphone you can operate packaged ASIHttpRequest Post http library you want to upload to the server
Received and stored on the server side
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POST ah, do not