asp.net使用jQuery Uploadify上传附件示例

!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
html xmlns="http://www.w3.org/1999/xhtml">
head runat="server">
    title>/title>
    link href="uploadify/uploadify.css" type="text/css" rel="Stylesheet" />
    script type="text/javascript" src="uploadify/jquery-1.7.2.min.js">/script>
    script type="text/javascript" src="uploadify/swfobject.js">/script>
    script type="text/javascript" src="uploadify/jquery.uploadify.min.js">/script>
    script type="text/javascript">

        $(function () {
            var taskId = "%= TaskID %>";
            var activityId = "%= ActivityId %>";
            var userId = "%= GetCurrentLoginUser().ID %>";

            $("#%=FileUpload1.ClientID %>").uploadify(
            {
                'swf': 'uploadify/uploadify.swf',
                'uploader': 'UploadHandler.aspx',
                'auto': false,
                'method': 'post',
                'multi': true,
                'buttonText': '浏览',
                'buttonImg': 'uploadify/browse.jpg',
                'folder': '../uploadfile',
                'fileDesc': '附件',
                'onUploadStart': function (event, data) { //this is where you will send the form //data, but remember to get if from post in the .ashx file, by contex.Request["gallaryId"]
                    $("#%=FileUpload1.ClientID %>").uploadify('settings', 'formData',
                          { 'taskId': taskId, 'activityId': activityId, 'userId': userId, 'secInfo': $("#%=ddlsecInfo.ClientID %>").val()}  //note hiddenGallaryId would //have the gallaryId which im sending through post , make sure it is rendered in your page( //i.e.not concealed by a multiview control e.t.c)
             );
                }

            });
        });
    /script>
/head>
body>
    form id="form1" runat="server">
    asp:FileUpload ID="FileUpload1" runat="server" />
    asp:DropDownList ID="ddlsecInfo" runat="server">
        asp:ListItem Text="公开" Value="1"> /asp:ListItem>
        asp:ListItem Text="普通" Value="2"> /asp:ListItem>
        asp:ListItem Text="机密" Value="3"> /asp:ListItem>
    /asp:DropDownList>
    a href="javascript: $('#%=FileUpload1.ClientID %>').uploadify('upload','*')">上传/a>
    a href="javascript:$('#%=FileUpload1.ClientID %>').uploadify('cancel','*')">取消上传/a>
    /form>
/body>
/html>