public static SigninDataUpload POST(string MeetingID, string UserID, string DeptId, string filePath)
    {
        SigninDataUpload result = null;

        try
        {
            string url    = WsTool.GetUrl();
            string format = "<?xml version=\"1.0\"?><UserInfo><MeetingID>{0}</MeetingID><UserID><![CDATA[{1}]]></UserID><DeptId><![CDATA[{2}]]></DeptId></UserInfo>";
            format = string.Format(format, MeetingID, UserID, DeptId);
            Dictionary <string, string> dictionary = new Dictionary <string, string>();
            dictionary["XmlDoc"] = format;
            string text = HttpTool.CreateRequestWithFile(url + "/SigninDataUpload", "", filePath);
            if (text.Equals(""))
            {
                return(result);
            }
            result = XmlHelper.XmlDeserialize <SigninDataUpload>(text, Encoding.UTF8);
            return(result);
        }
        catch (Exception ex)
        {
            LogTool.Debug(ex);
            return(result);
        }
    }