plupload

http://www.cnblogs.com/chillsrc/archive/2013/01/30/2883648.html

http://www.cnblogs.com/zjfree/archive/2010/12/27/1918400.html

http://www.plupload.com/example_queuewidget.php

http://www.cnblogs.com/luckybird/archive/2013/01/15/2861072.html

http://www.cnblogs.com/weisenz/archive/2013/03/26/2983663.html

http://stackoverflow.com/questions/4350686/using-plupload-with-asp-net-c?rq=1

var uploadfiles = $('#uploadfiles');

var uploader =new plupload.Uploader({
    runtimes:'flash,silverlight,html5,html4',
    //runtimes: 'silverlight,html5, html4',
    //runtimes: 'html5,html4',
    //runtimes: 'html4',
    browse_button: pickfiles.attr('id'),
    container:'container',
    max_file_size:'10mb',
    //chunk_size: '1mb',
    multi_selection:false,
    multipart:true,
    urlstream_upload:true,
    url:'@Url.Action("Upload", "Invoice")',
    flash_swf_url: uploadfiles.data('swfurl'),
    silverlight_xap_url: uploadfiles.data('xapurl'),
    filters:[
        { title:"Image Files", extensions:"jpg,gif,png,pdf"},
        { title:"Zip Files", extensions:"zip"},
        { title:"Office Files", extensions:"doc,docx,xls,xlsx"}
        ],
    resize:{ width:320, height:240, quality:90}
});