Hello, I would know can Ajax Uploader control re-upload from the last breakpoint, rather than re-upload from the beginning.And if it is supported, how do I use this feature?

Thank you 

Yes.

This is a built-in function. You don’t need to do anything to use it.
 

Demo:
 

http://ajaxuploader.com/demo/resume.aspx 

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Hello Adam ,

I find that the function setresumeoption("Resume")  is just recovering the upload from scratch.Perhaps I Misunderstood the  "setresumeoption" function, or my question is not clear enough, I re-describe my question here

For example, I have a 10M file, use Ajax Uploader control to upload. When uploaded to 5M the network is broken. One minute after recovering the network  , I need to continue to upload the file, then can I just upload the rest of the 5M, without having to start from scratch again uploading this 10M file ?

Thank you 

Hi libkerry,

Yes, it will rest of the 5M. But this mode only work with Silverlight upload mode, it means your browser must has the silverlight plug-in installed and set the silverlight to  primary upload mode.

<CuteWebUI:UploadAttachments runat="server" ID="Uploader1" UploadType="Silverlight">

        </CuteWebUI:UploadAttachments>

Regards,

Ken