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Version Q2 2011 released 07/12/2011
select

Calendar / Client-side Programming

Event Logger
Event log:

  • MonthYearPicker exposes a rich client-side API that allows you to control its behavior.

    You can manipulate the Min/MaxDate properties by the following client-side functions:
    • get_minDate( ) - Returns the date, representing the MinDate of the datepicker.
    • set_minDate(date) - if the date is valid, the datepicker MinDate is set to it.
    • get_maxDate( ) - Returns the date, representing the MaxDate of the datepicker.
    • set_maxDate(date) - if the date is valid, the datepicker MaxDate is set to it.

    You can manipulate the date selection by using the GetDate()/SetDate(newValue) method pair:
    var selectedDate = monthyearPicker.get_selectedDate();
    var year = (selectedDate.getFullYear() + 1);
    var month = (selectedDate.getMonth());
    var date = selectedDate.getDate();
    monthyearPicker.set_selectedDate(new Date(year, month, date));

    The datepicker child controls (RadDateInput and DatePopupButton) are available via the DateInput and DatePopupButton properties.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="vb" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ 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 xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag runat="server" ID="Headtag1"></qsf:HeadTag>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB"></qsf:Header>
        <!-- content start -->
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server" />
        <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
            <script type="text/javascript">
            //<![CDATA[
                function OnPopupOpening(sender, args) {
                    logEvent("OnPopupOpening fired by " + sender.get_id() + "<br />");
                }

                function OnPopupClosing(sender, args) {
                    logEvent("OnPopupClosing fired by " + sender.get_id() + "<br />");
                }
                function OnViewChanged(sender, args) {
                    logEvent("OnViewChanged fired by " + sender.get_id() + "<br />");
                }

                function OnDateSelected(sender, e) {
                    if (e.get_newDate() != null) {
                        logEvent("OnDateSelected: " + e.get_newDate().toDateString() + " selected in " + sender.get_id() + "<br />");
                    }
                    else {
                        logEvent("OnDateSelected: Date cleared in " + sender.get_id() + "<br />");
                    }
                }

                function onLoad(sender, args) {
                    logEvent("Date input " + sender.get_id() + " loaded <br />");
                }

                function NextYear(e) {
                    var monthyearPicker = $find("<%= RadMonthYearPicker1.ClientID %>");
                    var selectedDate = monthyearPicker.get_selectedDate();
                    if (selectedDate == null) {
                        alert("Select date!");
                        return false;
                    }
                    var year = (selectedDate.getFullYear() + 1);
                    var month = (selectedDate.getMonth());
                    var date = selectedDate.getDate();
                    monthyearPicker.set_selectedDate(new Date(year, month, date));
                    logEvent("MonthYearPicket.SelectedYear changed to " + monthyearPicker.get_selectedDate().format("MMM/yyyy") + "<br />");
                }

                function PrevYear(e) {
                    var monthyearPicker = $find("<%= RadMonthYearPicker1.ClientID %>"); ;
                    var selectedDate = monthyearPicker.get_selectedDate();
                    if (selectedDate == null) {
                        alert("Select date!");
                        return false;
                    }
                    var year = (selectedDate.getFullYear() - 1);
                    var month = (selectedDate.getMonth());
                    var date = selectedDate.getDate();
                    monthyearPicker.set_selectedDate(new Date(year, month, date));
                    logEvent("MonthYearPicket.SelectedYear changed to " + monthyearPicker.get_selectedDate().format("MMM/yyyy") + "<br />");
                }

                function setMinDate(minDate) {
                    var MonthYearPicker3 = $find("<%= RadMonthYearPicker3.ClientID %>");
                    if (minDate.checked) {
                        var date1 = new Date(2011, 0, 1);
                        MonthYearPicker3.set_minDate(date1);
                        logEvent("MonthYearPicker.MinDate changed to 01/2011 <br />");
                    }
                    else {
                        var date1 = new Date(1900, 0, 1);
                        MonthYearPicker3.set_minDate(date1);
                        logEvent("MonthYearPicker.MinDate changed to 01/1900 <br />");
                    }
                }

                function setMaxDate(maxDate) {
                    var date1 = new Date(2015, 11, 1);
                    var MonthYearPicker3 = $find("<%= RadMonthYearPicker3.ClientID %>");
                    if (maxDate.checked) {
                        MonthYearPicker3.set_maxDate(date1);
                        logEvent("MonthYear.MaxDate changed to 12/2015 <br />");
                    }
                    else {
                        var date1 = new Date(2050, 0, 1);
                        MonthYearPicker3.set_maxDate(date1);
                        logEvent("MonthYear.MaxDate changed to 01/2050 <br />");
                    }
                }

                function Enable(control) {
                    var MonthYearPicker3 = $find("<%= RadMonthYearPicker3.ClientID %>");
                    if (control.checked) {
                        MonthYearPicker3.set_enabled(true);
                        logEvent("MonthYearPicker Enabled <br />");
                    }
                    else {
                        MonthYearPicker3.set_enabled(false);
                        logEvent("MonthYearPicker Disabled <br />");
                    }
                }

                function clearText() {
                    var MonthYearPicker3 = $find("<%= RadMonthYearPicker3.ClientID %>");
                    MonthYearPicker3.clear();
                    logEvent("MonthYearPicker value cleared<br />");
                }
            //]]>
            </script>
        </telerik:RadCodeBlock>
        <div style="float: left">
            <fieldset style="width: 460px;">
                <legend>Select date:</legend>
                <telerik:RadMonthYearPicker ID="RadMonthYearPicker1" runat="server">
                    <ClientEvents OnViewChanged="OnViewChanged" OnPopupOpening="OnPopupOpening" OnPopupClosing="OnPopupClosing"
                        OnDateSelected="OnDateSelected"></ClientEvents>
                    <DateInput runat="server" ID="DateInput">
                        <ClientEvents OnLoad="onLoad" />
                    </DateInput>
                </telerik:RadMonthYearPicker>
                &nbsp;
                <input type="button" onclick="NextYear(event); return false;" value="Move to next year" />&nbsp;
                <input type="button" onclick="PrevYear(event); return false;" value="Move to previous year" />
                <br />
                <br />
            </fieldset>
            <fieldset style="width: 460px">
                <legend>Select Min/MaxDate for the RadMonthYearPciker: </legend>
                <div style="float: left;">
                    <telerik:RadMonthYearPicker ID="RadMonthYearPicker3" runat="server">
                        <ClientEvents OnViewChanged="OnViewChanged" OnPopupOpening="OnPopupOpening" OnPopupClosing="OnPopupClosing"
                            OnDateSelected="OnDateSelected"></ClientEvents>
                        <DateInput runat="server" ID="DateInput1">
                            <ClientEvents OnLoad="onLoad" />
                        </DateInput>
                    </telerik:RadMonthYearPicker>
                    <br />
    <asp:CheckBox runat="server" ID="Enabled" Checked="true" Text="RadDatePicker Enabled"
    onclick="Enable(this);" />
                    <br />
                    <input type="button" onclick="clearText(); return false;" value="Clear MonthYear value"/>
                </div>
                <div style="float: right;">
                    <br />
                    MinDate:<asp:CheckBox runat="server" ID="MinDate" Text="01/2011" onclick="setMinDate(this);" />
                    <br />
                    MaxDate:<asp:CheckBox runat="server" ID="MaxDate" Text="12/2015" onclick="setMaxDate(this);" />
                </div>
            </fieldset>
        </div>
        <table>
            <tr>
                <td style="vertical-align: top; width: 420px;">
                    <fieldset style="width: 280px; float: right;">
                        <legend>Event Logger </legend>
                        <qsf:EventLogConsole runat="server" ID="EventLogConsole1" />
                    </fieldset>
                </td>
            </tr>
        </table>
        <div style="clear: both">
        </div>
        <!-- content end -->
        <qsf:Footer ID="Footer1" runat="server"></qsf:Footer>
        </form>
    </body>
    </html>

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