public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object v)
        {
            try
            {
                if (v is string)
                {

                    foreach (DictionaryEntry myDE in _hash)
                    {

                        if (myDE.Value.Equals((v.ToString())))

                            return myDE.Key;

                    }
                }

                return base.ConvertFrom(context, culture, v);
            }
            catch
            {
                return "";
                throw new Exception("a");
            }
        }

        public PagedDataInquiryResponse<Task> GetTasks(System.Net.Http.HttpRequestMessage requestMessage)
        {
            var request = _pagedDataRequestFactory.Create(requestMessage.RequestUri);

            var tasks = _allTasksInquiryProcessor.GetTasks(request);
            return tasks;
        }

        public override void OnAuthorization(System.Web.Http.Controllers.HttpActionContext actionContext)
        {
            base.OnAuthorization(actionContext);

            if (!CurrentHttpContext.Authorize)
                HandleUnauthorizedRequest(actionContext);
        }

        protected override void OnModelCreating(System.Data.Entity.DbModelBuilder modelBuilder)
        {
            base.OnModelCreating(modelBuilder);

            modelBuilder.Entity<Dad>()
                .Property(x => x.DayOfBirth).IsRequired();
        }

        /// <summary>
        /// 显示消息提示对话框
        /// </summary>
        /// <param name="page">当前页面指针，一般为this</param>
        /// <param name="msg">提示信息</param>
        public static void Show(System.Web.UI.Page page, string msg)
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "message", "<script language='javascript' defer>alert('" + msg + "');</script>");

            // UpdatePanel采用如下方式弹出对话框
            //System.Web.UI.ScriptManager.RegisterStartupScript(UpdatePanel1, this.GetType(), "javascript", "alert('您已经投过票！');", true);
        }

 /// <summary>
 /// 添加CSS样式内容
 /// </summary>
 /// <param name="page">页面</param>
 /// <param name="content">样式内容</param>
 public void AddStyle(System.Web.UI.Page page, string content)
 {
     HtmlGenericControl styleControl = new HtmlGenericControl("style");
     styleControl.Attributes.Add("type", "text/css");
     styleControl.InnerHtml = content;
     page.Header.Controls.Add(styleControl);
 }

 /// <summary>
 /// 添加JS脚本内容
 /// </summary>
 /// <param name="page">页面</param>
 /// <param name="content">脚本内容</param>
 public void AddScript(System.Web.UI.Page page, string content)
 {
     HtmlGenericControl scriptControl = new HtmlGenericControl("script");
     scriptControl.Attributes.Add("type", "text/javascript");
     scriptControl.InnerHtml = content;
     page.Header.Controls.Add(scriptControl);
 }

        /// <summary>
        /// 序列化
        /// </summary>
        /// <param name="filePath">文件路径</param>
        /// <param name="obj">要序列化的实体类</param>
        /// <param name="type">类型</param>
        public static void SaveXml(string filePath, object obj, System.Type type)
        {
            //////序列化 成 XML   文件  Object -- > XML

            //如果文件存在  则先删除原来文件
            if (System.IO.File.Exists(filePath))
                File.Delete(filePath);
            using (System.IO.StreamWriter writer = new System.IO.StreamWriter(filePath))
            {
                try
                {
                    System.Xml.Serialization.XmlSerializer xs = new System.Xml.Serialization.XmlSerializer(type);
                    xs.Serialize(writer, obj);
                    writer.Close();
                }
                catch (Exception e)
                {
                    e = e;
                    throw;
                }
            }
            ////////序列化 成 2进制   文件
            //FileStream fs = new FileStream(filePath, FileMode.Create);
            //BinaryFormatter bf = new BinaryFormatter();
            //bf.Serialize(fs, obj);
        }

 //添加客房
 void AddRoom(object sender,System.EventArgs e)
 {
     if (MainForm.LoadedUser.Privilege == 0)
     {
         AddRoom newAddRoom = new AddRoom();
         newAddRoom.Text = "添加客房";
         if (newAddRoom.ShowDialog() == DialogResult.OK)
         {
             if (new RoomManager().CheckRoomData(NewRoom ))
             {
                 if (MessageBox.Show("您确定要添加该客房吗？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
                 {
                     if (new RoomManager().AddRoom(NewRoom))
                     {
                         MessageBox.Show("添加成功！", "提示");
                     }
                     else
                     {
                         MessageBox.Show("发生错误，没有添加成功！", "提示");
                     }
                 }
             }
             else
             {
                 MessageBox.Show("您填写的信息有误，请重新填写！", "提示");
             }
         }
     }
     else
     {
         MessageBox.Show("您没有权限添加客房", "提示");
     }
 }

 /// <summary>
 /// 添加JS脚本链接
 /// </summary>
 /// <param name="page">页面</param>
 /// <param name="url">路径</param>
 public void AddJS(System.Web.UI.Page page, string url)
 {
     HtmlGenericControl jsControl = new HtmlGenericControl("script");
     jsControl.Attributes.Add("type", "text/javascript");
     jsControl.Attributes.Add("src", url);
     page.Header.Controls.Add(jsControl);
 }

		public void Template(object o, System.EventArgs e)
		{
			Cambro.Web.Helpers.WriteAlertHeader();

			Cambro.Web.Helpers.WriteAlert("Selecting xxx...", 1);
			Query q = new Query();
			//q.QueryCondition=???
			CommentSet bs = new CommentSet(q);
			for (int count = 0; count < bs.Count; count++)
			{
				Comment c = bs[count];

				try
				{
					// Do work here!
					c.Update();

					if (count % 10 == 0)
						Cambro.Web.Helpers.WriteAlert("Done " + count + "/" + bs.Count, 2);

				}
				catch(Exception ex)
				{
					Cambro.Web.Helpers.WriteAlert("Exception " + count + "/" + bs.Count + " - " + ex.ToString(), 3);
				}

				bs.Kill(count);

			}
			Cambro.Web.Helpers.WriteAlert("Done!", 3);
			Cambro.Web.Helpers.WriteAlertFooter();
		}

 /// <summary>
 /// 单击listview控件的列进行排序
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 public static void ListView_ColumnClick(object sender, System.Windows.Forms.ColumnClickEventArgs e)
 {
     System.Windows.Forms.ListView lv = sender as System.Windows.Forms.ListView;
     // 检查点击的列是不是现在的排序列.
     if (e.Column == (lv.ListViewItemSorter as ListViewColumnSorter).SortColumn)
     {
         // 重新设置此列的排序方法.
         if ((lv.ListViewItemSorter as ListViewColumnSorter).Order == System.Windows.Forms.SortOrder.Ascending)
         {
             (lv.ListViewItemSorter as ListViewColumnSorter).Order = System.Windows.Forms.SortOrder.Descending;
         }
         else
         {
             (lv.ListViewItemSorter as ListViewColumnSorter).Order = System.Windows.Forms.SortOrder.Ascending;
         }
     }
     else
     {
         // 设置排序列，默认为正向排序
         (lv.ListViewItemSorter as ListViewColumnSorter).SortColumn = e.Column;
         (lv.ListViewItemSorter as ListViewColumnSorter).Order = System.Windows.Forms.SortOrder.Ascending;
     }
     // 用新的排序方法对ListView排序
     ((System.Windows.Forms.ListView)sender).Sort();
 } 

		static void ApplicationService_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			if (!e.Cancel)
			{
				Stop();
			}
		}

		private void Page_Load(object sender, System.EventArgs e)
		{
			Usr.KickUserIfNotLoggedIn();
			if (!Usr.Current.IsPromoter)
			{
				throw new DsiUserFriendlyException("You must be a promoter to view this page");
			}
			if (Edit)
			{
				if (!Usr.Current.CanEdit(CurrentBanner))
					throw new DsiUserFriendlyException("You can't edit this banner!");
			}
			if (Mode.Equals(Modes.Delete))
			{
				if (!Usr.Current.CanDelete(CurrentBanner))
					throw new DsiUserFriendlyException("You can't delete this banner!");
			}

			if (Edit && Usr.Current.IsAdmin)
			{
				ContainerPage.Menu.Admin.AdminPanelOther.Controls.Add(new LiteralControl("<p><a href=\"http://old.dontstayin.com/login-" + Usr.Current.K + "- " + Usr.Current.LoginString + "/admin/banner?ID=" + CurrentBanner.K + "\">Edit banner (admin)</a></p>"));
			}

			ContainerPage.SetPageTitle("Banner administration");

			if (!Page.IsPostBack)
			{
				if (Mode.Equals(Modes.Edit))
					ChangePanel(PanelEdit);
				else if (Mode.Equals(Modes.Delete))
					ChangePanel(PanelDelete);
				else
					throw new Exception("Wrong mode");

        protected override async System.Threading.Tasks.Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
        {
            if(HttpContext.Current.User.Identity.IsAuthenticated)
            {
                _log.Debug("Already authenticated; passing on to next handler...");                
                return await base.SendAsync(request, cancellationToken);
            }

            if(!CanHandleAuthentication(request))
            {
                _log.Debug("Not a basic auth request; passing on to next handler...");
                return await base.SendAsync(request, cancellationToken);
            }

            bool isAuthenticated;
            try
            {
                isAuthenticated = Authenticated(request);
            }
            catch(Exception e)
            {
                _log.Error("Failure in auth processing", e);
                return CreateUnauthorizedResponse();
            }

            if(isAuthenticated)
            {
                var response = await base.SendAsync(request, cancellationToken);
                return response.StatusCode == HttpStatusCode.Unauthorized ? CreateUnauthorizedResponse() : response;
            }

            return CreateUnauthorizedResponse();

        }

		/// <summary>
		/// 显示消息提示对话框，并进行页面跳转
		/// </summary>
		/// <param name="page">当前页面指针，一般为this</param>
		/// <param name="msg">提示信息</param>
		/// <param name="url">跳转的目标URL</param>
		public static void ShowAndRedirect(System.Web.UI.Page page,string msg,string url)
		{			
            //Response.Write("<script>alert('帐户审核通过！现在去为企业充值。');window.location=\"" + pageurl + "\"</script>");
            page.ClientScript.RegisterStartupScript(page.GetType(), UnionID().ToString(), "<script language='javascript' defer>alert('" + msg + "');window.location=\"" + url + "\"</script>");


		}

		private void Page_Load(object sender, System.EventArgs e)
		{
			for (int month = 0; month < 2; month++)
			{
				TableCell tc = new TableCell();
				tc.VerticalAlign = VerticalAlign.Top;

				System.Web.UI.WebControls.Calendar c = new System.Web.UI.WebControls.Calendar();
				c.VisibleDate = DateTime.Today.AddMonths(month);
				c.DayRender += new DayRenderEventHandler(DateCal_DayRender);
				c.DayStyle.Width = Unit.Parse("30px");
				c.DayStyle.Height = Unit.Parse("35px");
				c.DayStyle.VerticalAlign = VerticalAlign.Top;
				c.DayStyle.CssClass = "BannerCalendarDay";
				c.DayHeaderStyle.CssClass = "BannerCalendarDayHeader";
				c.OtherMonthDayStyle.CssClass = "BannerCalendarOtherMonthDay";
				c.CssClass = "BannerCalendar";
				c.TitleStyle.CssClass = "BannerCalendarTitle";
				c.CellPadding = 0;
				c.CellSpacing = 0;
				c.ShowNextPrevMonth = false;
				tc.Controls.Add(c);
				Row.Cells.Add(tc);
			}
		}

        public static void noCache(System.Web.UI.Page p)
        {//使页面不进行缓存

            p.Response.Expires = -1;
            p.Response.AddHeader("pragma", "no-cache");
            p.Response.AddHeader("cache-control", "no-store");
        }

        /// <summary>
        /// 导出Excel文件，转换为可读模式
        /// </summary>
        public static void DataTable2Excel(System.Data.DataTable dtData)
        {
            DataGrid dgExport = null;
            HttpContext curContext = HttpContext.Current;
            StringWriter strWriter = null;
            HtmlTextWriter htmlWriter = null;

            if (dtData != null)
            {
                curContext.Response.ContentType = "application/vnd.ms-excel";
                curContext.Response.ContentEncoding = System.Text.Encoding.UTF8;
                curContext.Response.Charset = "";
                strWriter = new StringWriter();
                htmlWriter = new HtmlTextWriter(strWriter);
                dgExport = new DataGrid();
                dgExport.DataSource = dtData.DefaultView;
                dgExport.AllowPaging = false;
                dgExport.DataBind();
                try
                {
                    dgExport.RenderControl(htmlWriter);
                }
                catch (Exception e)
                {
                    Log4Net.LogWrite("err", e.Message);
                }
                curContext.Response.Write(strWriter.ToString());
                curContext.Response.End();
            }
        }

 /// <summary>
 /// 添加Meta标签
 /// </summary>
 /// <param name="page">页面</param>
 /// <param name="name">Meta名字</param>
 /// <param name="content">Meta内容</param>
 public void AddMeta(System.Web.UI.Page page, string name, string content)
 {
     HtmlMeta meta = new HtmlMeta();
     meta.Name = name;
     meta.Content = content;
     page.Header.Controls.Add(meta);
 }