uploadify ASP.net 使用笔记

<script type="text/javascript" src="jquery.uploadify.min.js"></script

<link rel="Stylesheet" href="uploadify.css" type="text/css" />

<script type="text/javascript">
        $(document).ready(function () {
            $('#uploadify').uploadify({
                'swf': 'uploadify.swf',
                'buttonText': 'Loading',
                'uploader': 'Uploadhandler.ashx',
                'queueID': 'fileQueue',
                'queueSizeLimit': 10,
                'auto': false,
                'multi': false,
                'removeCompleted': true,
                'fileSizeLimit': '100MB',
                'fileTypeDesc': 'Excel文件',
                'fileTypeExts': '*.xls',
                'onUploadSuccess': function (file, data, response) {
                    layer.closeAll();
                    layer.open({
                        type: 1,
                        skin: 'layui-layer-rim', //加上边框
                        area: ['520px', '340px'], //宽高
                        content: '<div>File Name:' + file.name + data + '</div>'
                    });
                },
                'onUploadError': function (event, queueId, fileObj, errorObj) {
                    layer.closeAll();
                },
                'onUploadStart': function (file) {
                    $("#uploadify").uploadify("settings", "formData", { 'ddlregion': $('#ddlRegionSearch').val() });  //动态参数
                } 
            });

            $('#supload').click(function supload() {
                $('#uploadify').uploadify('upload', '*');
            });
        });
    </script>

  <div>
    <input type="file" name="uploadify" id="uploadify" /><button id="supload" class="btn">开始上传</button>
  </div>
  <div id="fileQueue"></div>

public void ProcessRequest(HttpContext context)
{
    context.Response.ContentType = "text/plain";
    context.Response.Charset = "utf-8";

    HttpPostedFile file = context.Request.Files["Filedata"];
    string uploadPath = context.Request.MapPath("/Upload/Files/");

    try
    {
    if (file != null)
    {
        string fileName = uploadPath + file.FileName;
        if (!Directory.Exists(uploadPath))
        {
        Directory.CreateDirectory(uploadPath);
        }

        //将文件上传至服务器
        file.SaveAs(fileName);
        context.Response.Write("<br>The import is complete!");
    }
    else
    {
        context.Response.Write("<br>File loading failure!");
        return;
    }
    }
    catch (Exception ex)
    {
    context.Response.Write("<br>Exception: " + ex.Message);
    }
}