The loading panel shows the first time.
HttpAnalyzer first time:
<table id="ctl39_RadioButtonList_Goal" class="radiobuttonlist-default" border="0" style="width:100%;"> <tr> <td><input id="ctl39_RadioButtonList_Goal_0" type="radio" name="ctl39$RadioButtonList_Goal" value="0" checked="checked" /><label for="ctl39_RadioButtonList_Goal_0">Трудоустройство</label></td> </tr><tr> <td><input id="ctl39_RadioButtonList_Goal_1" type="radio" name="ctl39$RadioButtonList_Goal" value="1" onclick="javascript:setTimeout('__doPostBack(\'ctl39$RadioButtonList_Goal$1\',\'\')', 0)" /><label for="ctl39_RadioButtonList_Goal_1">Практика</label></td> </tr> </table> </div>|61|updatePanel|ctl39_radAjaxManagerSU|<span id="ctl39_radAjaxManager" style="display:none;"></span>|0|hiddenField|__EVENTTARGET||0|hiddenField|__EVENTARGUMENT||0|hiddenField|__LASTFOCUS||1716|hiddenField|__VIEWSTATE|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|76|hiddenField|__EVENTVALIDATION|/wEWCQLuqZKrCQLtypk7AvLKmTsC/aWz1QwC65yXTQLVmKOhAQKqz5nVBgK8he+tAgKuvtzaBQ==|0|asyncPostBackControlIDs|||0|postBackControlIDs|||52|updatePanelIDs||tctl39$ctl39$PanelStartPanel,tctl39$radAjaxManagerSU|0|childUpdatePanelIDs|||50|panelsToRefreshIDs||ctl39$ctl39$PanelStartPanel,ctl39$radAjaxManagerSU|2|asyncPostBackTimeout||90|52|formAction||default.aspx?item=r%2fabout%2fvacancy%2fanketaonline|HTTPAnalyzer second:
656|updatePanel|ctl39_ctl39_PanelStartPanel|<div id="ctl39_PanelStart"> <table id="ctl39_RadioButtonList_Goal" class="radiobuttonlist-default" border="0" style="width:100%;"> <tr> <td><input id="ctl39_RadioButtonList_Goal_0" type="radio" name="ctl39$RadioButtonList_Goal" value="0" checked="checked" /><label for="ctl39_RadioButtonList_Goal_0">Трудоустройство</label></td> </tr><tr> <td><input id="ctl39_RadioButtonList_Goal_1" type="radio" name="ctl39$RadioButtonList_Goal" value="1" onclick="javascript:setTimeout('__doPostBack(\'ctl39$RadioButtonList_Goal$1\',\'\')', 0)" /><label for="ctl39_RadioButtonList_Goal_1">Практика</label></td> </tr> </table> </div>|0|hiddenField|__EVENTTARGET||0|hiddenField|__EVENTARGUMENT||0|hiddenField|__LASTFOCUS||1716|hiddenField|__VIEWSTATE|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|76|hiddenField|__EVENTVALIDATION|/wEWCQLuqZKrCQLtypk7AvLKmTsC/aWz1QwC65yXTQLVmKOhAQKqz5nVBgK8he+tAgKuvtzaBQ==|0|asyncPostBackControlIDs|||0|postBackControlIDs|||52|updatePanelIDs||tctl39$ctl39$PanelStartPanel,tctl39$radAjaxManagerSU|0|childUpdatePanelIDs|||27|panelsToRefreshIDs||ctl39$ctl39$PanelStartPanel|2|asyncPostBackTimeout||90|52|formAction||default.aspx?item=r%2fabout%2fvacancy%2fanketaonline|
<%@ Control Language="C#" Inherits="Test" CodeFile="Test.ascx.cs" %><telerik:RadAjaxLoadingPanel ID="LoadingPanel_1" runat="server" IsSticky="false" BackColor="#FFFFFF" Transparency="15" InitialDelayTime="0"></telerik:RadAjaxLoadingPanel> <telerik:RadAjaxManager ID="radAjaxManager" runat="server" RequestQueueSize="50" RestoreOriginalRenderDelegate="True" EnableAJAX="True"> <AjaxSettings> <telerik:AjaxSetting AjaxControlID="RadioButtonList_Goal"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="PanelStart" LoadingPanelID="LoadingPanel_1" UpdatePanelRenderMode="Block" /> </UpdatedControls> </telerik:AjaxSetting> </AjaxSettings> </telerik:RadAjaxManager> <div class="ContentForm"> <asp:Panel ID="PanelStart" runat="server" Visible="true"> <asp:RadioButtonList id="RadioButtonList_Goal" runat="server" Width="100%" DataTextField="text" DataValueField="value" AutoPostBack="true" EnableViewState="False"> <asp:ListItem Value="0">Трудоустройство</asp:ListItem> <asp:ListItem Value="1" Selected="True">Практика</asp:ListItem> </asp:RadioButtonList> </asp:Panel> </div>using System;using System.Data;using System.Diagnostics;using System.Web.UI.WebControls;using System.Configuration;using System.Text;using System.Data.SqlClient;using System.Xml;using System.Web.UI;using RSDN;using System.Net;using Telerik.Web.UI;using System.Collections.Generic;using System.Collections;using System.Xml.Linq;namespace AnketaOnline{ public partial class Test : Feedback { /// <summary> /// portlet title /// </summary> public override string GetPortletTitle() { return " AnketaOnline, Анкета по трудоустройству онлайн"; } }}