hi ,
how could i able to upload multiple files into the web browser using asp.net? the task is we need to use the tree view to brose the files and inside the tree view we will choose the required files by checking on the check box and thus on clicking upload buttomn we should be able to upload the files...?

The web doesn't support a multi-file upload, AFAIK. You can make an ActiveX or .NET user control that would do it, but that limits you to an IE base. Otherwise, have a form with multiple file-upload components and get 'em all when the user submits (though it's a pain to add them one by one...)

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