public abstract class QueryBase : UserControl, IReflactor
    {
        public const string SpaceName = "VMS.Views.MainPageItems.QueryItems.BussinessQuerys.";
        public static readonly Assembly CurrentAssembly = Assembly.GetExecutingAssembly();
        public static readonly string CurrentAssemblyName = CurrentAssembly.FullName;

        protected QueryBase()
        {
            ParamsQuery = new List<IParamQuery>();
            LoadingForm = new LoadingWindow();
            SetFunParamValues(CreateQueryParams());
            DownloadSucesss += OnDownloadData;
        }

        public string Data { get; private set; }

        /// <summary>
        ///     除去Host的相对Uri
        /// </summary>
        public abstract string Uri { get; }

        public abstract string Fun { get; }
        public List<IParamQuery> ParamsQuery { get; private set; }
        public LoadingWindow LoadingForm { get; private set; }

        public virtual string Caption
        {
            get { return GetType().Name; }
        }

        public virtual string FullName
        {
            get { return GetType().FullName; }
        }

        public event Action<string> DownloadSucesss;
        public virtual event Action<Exception> OnError;

        private void SetFunParamValues(IList<IParamQuery> paramsControls)
        {
            if (paramsControls == null) return; //throw new FormatException("查询参数不能为NULL");
            ParamsQuery.AddRange(paramsControls);
        }

        protected abstract IList<IParamQuery> CreateQueryParams();

        private string CreateBody()
        {
            var contentBody = new StringBuilder();
            contentBody.Append("<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">");
            contentBody.Append(
                "<s:Body xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">");

            contentBody.AppendFormat("<{0}    xmlns=\"http://tempuri.org/\">", Fun);
            foreach (IParamQuery funParam in ParamsQuery)
                contentBody.AppendFormat("<{0}>{1}</{0}>", funParam.PName, funParam.PValue);
            contentBody.AppendFormat("</{0}>", Fun);

            contentBody.Append("</s:Body>");
            contentBody.Append("</s:Envelope>");
            return contentBody.ToString();
        }

        protected abstract Exception Validate();

        protected virtual bool ValidateDealling(Exception ex)
        {
            if (ex == null)
            {
                return true;
            }
            if (OnError != null) OnError.Invoke(ex);
            return false;
        }

        public virtual void LoadData()
        {
            if (LoadingForm.IsDownloading) return;
            if (!ValidateDealling(Validate())) return;
            LoadingForm.Show();
            var webClient = new WebClient();
            webClient.UploadStringCompleted += (sender, args) =>
            {
                if (!LoadingForm.IsDownloading) return;
                if (args.Error != null)
                {
                    if (OnError != null) OnError.Invoke(new NetWorkException("网络错误", args.Error));
                }
                else if (args.Result == null)
                {
                    if (OnError != null) OnError.Invoke(new NetWorkException("数据错误", args.Error));
                }
                else
                {
                    try
                    {
                        XDocument doc = XDocument.Parse(args.Result);
                        Data = doc.Root.Value;
                        if (DownloadSucesss != null) DownloadSucesss.Invoke(Data);
                    }
                    catch (Exception ex)
                    {
                        OnError.Invoke(new NetWorkException("数据读取错误", ex));
                    }
                }
                LoadingForm.Close();
            };
            webClient.Headers["SOAPAction"] = string.Format("http://tempuri.org/{0}", Fun);
            webClient.Headers["Content-Type"] = "text/xml; charset=utf-8";
            string soapBody = CreateBody();
            webClient.UploadStringAsync(
                new Uri(string.Format("http://{0}:8001/{1}", WebServiceHelper.Host, Uri), UriKind.Absolute), soapBody);
        }

        protected abstract void OnDownloadData(string content);
    }