使用jquery.uploadify 传递自己需要的参数 .
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UploadFile.aspx.cs" Inherits="UploadFile" %>
<!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 ).uploadify({
'uploader': 'JS/jquery.uploadify-v2.1.0/uploadify.swf',
'script': 'JS/jquery.uploadify-v2.1.0/UploadHandler.ashx',
'cancelImg': 'JS/jquery.uploadify-v2.1.0/cancel.png',
'folder': 'UploadFile',
'queueID': 'fileQueue',
'auto': false,
'multi': false
});
});
</script>
</head>
<body>
<form >
取消上传</a>
</p>
<div>
</div>
</form>
</body>
</html>
在UploadHandler.ashx中,context.Request.Params["type"]即可