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Version Q2 2011 released 07/12/2011
select

Ajax / Explicit Show/Hide

<<<November 2024>>>
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Selected Dates:
No Selected Dates to display.




  • Select a calendar date to see how RadAjaxLoadingPanel is shown over the calendar only. Clicking on the button below will display the RadAjaxLoadingPanel over the whole form.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="vb" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.AJAXExamplesVBNET.AJAX.Examples.LoadingPanel.ExplicitShowHide.DefaultVB" %>
    <%@ Register TagPrefix="telerik" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="telerik" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="telerik" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>


    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/tr/xhtml11/DTD/xhtml11.dtd">
    <html xml:lang="en-US" xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <telerik:HeadTag runat="server" ID="Headtag1"></telerik:HeadTag>
        <style type="text/css">
            .module1
            {
                background-color: #dff3ff;
                border: 1px solid #c6e1f2;
                width: 100%;
            }
            .label
            {
                line-height:17px;
            }
        </style>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <telerik:Header runat="server" ID="Header1" NavigationLanguage="VB"></telerik:Header>
        <!-- content start -->
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
        </telerik:RadScriptManager>
        <telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" />
        <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">

            <script type="text/javascript">
                var currentLoadingPanel = null;
                var currentUpdatedControl = null;
                function RequestStart(sender, args) {
                    currentLoadingPanel = $find("<%= RadAjaxLoadingPanel1.ClientID%>");

                    if (args.get_eventTarget() == "<%= RadCalendar1.UniqueID %>") {

                        $get("<%= Button1.ClientID %>").disabled = true;
                        currentUpdatedControl = "<%= RadCalendar1.ClientID %>";
                        //show the loading panel over the updated control
                        currentLoadingPanel.show(currentUpdatedControl);
                    }
                    if (args.get_eventTarget() == "<%= Button1.UniqueID %>") {
                        currentUpdatedControl = "<%= Panel1.ClientID %>";
                        //show the loading panel over the updated control
                        currentLoadingPanel.show(currentUpdatedControl);
                    }
                }
                function ResponseEnd() {
                    //hide the loading panel and clean up the global variables
                    if (currentLoadingPanel != null) {
                        currentLoadingPanel.hide(currentUpdatedControl);
                    }
                    currentUpdatedControl = null;
                    currentLoadingPanel = null;
                    if ($get("<%= Button1.ClientID %>").disabled) {
                        $get("<%= Button1.ClientID %>").disabled = false;
                    }
                }
            </script>

        </telerik:RadCodeBlock>
        <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
            <AjaxSettings>
                <telerik:AjaxSetting AjaxControlID="RadCalendar1">
                    <UpdatedControls>
                        <telerik:AjaxUpdatedControl ControlID="RadCalendar1" />
                        <telerik:AjaxUpdatedControl ControlID="Label1" />
                    </UpdatedControls>
                </telerik:AjaxSetting>
                <telerik:AjaxSetting AjaxControlID="Button1">
                    <UpdatedControls>
                        <telerik:AjaxUpdatedControl ControlID="RadCalendar1" />
                        <telerik:AjaxUpdatedControl ControlID="Label1" />
                    </UpdatedControls>
                </telerik:AjaxSetting>
            </AjaxSettings>
            <ClientEvents OnRequestStart="RequestStart" OnResponseEnd="ResponseEnd" />
        </telerik:RadAjaxManager>
        <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server">
        </telerik:RadAjaxLoadingPanel>
        <asp:Panel ID="Panel1" runat="server" CssClass="module1">
            <table style="margin-top: 15px;">
                <tr>
                    <td style="padding-left: 60px;" valign="top">
                        <telerik:RadCalendar ID="RadCalendar1" runat="server" AutoPostBack="true" ShowOtherMonthsDays="false"
                            OnSelectionChanged="RadCalendar1_SelectionChanged" UseColumnHeadersAsSelectors="false"
                            UseRowHeadersAsSelectors="false" ShowRowHeaders="false">
                        </telerik:RadCalendar>
                    </td>
                    <td valign="top" style="padding-left: 60px" rowspan="2">
                        <fieldset>
                            <legend>Selected Dates:</legend>
                            <br />
                            <asp:Label ID="Label1" runat="server" Text="No Selected Dates to display." CssClass="label"></asp:Label>
                        </fieldset>
                    </td>
                </tr>
                <tr>
                    <td align="center" valign="top" style="padding-left: 60px; padding-top: 30px;">
                        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Clear Selected Dates" /><br />
                        <br />
                        <br />
                    </td>
                </tr>
            </table>
        </asp:Panel>
        <!-- content end -->
        <telerik:Footer runat="server" ID="Footer1"></telerik:Footer>
        </form>
    </body>
    </html>

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