Please when I upload same image name file 2 time then it will throw error. please our requirement is that type.so what shall i do.because i have to over write same image file name with different image in c#
This is a future feature that we are currently in the process of implementing. We will keep you posted. Please read this for a temporary solution.
http://developer.nirvanix.com/forums/p/28/62.aspx#62
Regards, Barry R.