image - iphone post multipart -

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i trying upload image , other details using multipart post method. went through following link

http://lists.apple.com/archives/web-dev/2007/dec/msg00017.html

but not able tweak how want not able under stand content-disposition , things that. code sending other details here below. 

poststring = [nsstring stringwithformat:@"u=username&p=pass&color=red&date=12];

i need send image gallery. using alasset access image. please help. new bee in iphone

you can use asihttprequest upload file multipart. it's pretty easy.


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