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Server-side Events

Event log

About RadMultiSelect for ASP.NET AJAX

RadMultiSelect is a server-side WebForms wrapper over the MultiSelect for Kendo UI for jQuery. It operates on the client, displays a list of options and allows multiple selections from this list.

RadMultiSelect and 120+ other controls are part of Telerik UI for ASP.NET AJAX, a comprehensive toolset taking care of the common functionality of your application, while leaving you with more time to work on its business logic.

Key Features

  • Renders and operates on the client-side
  • DefaultVB.aspx
  • DefaultVB.aspx.vb
<%@ Page Language="vb" AutoEventWireup="true"  Inherits="Telerik.Web.Examples.MultiSelect.ServerSideEvents.DefaultVB" CodeFile="DefaultVB.aspx.vb" %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>

<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head runat="server">
    <title>Telerik ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <div class="demo-container size-narrow" runat="server">
        <telerik:RadAjaxManager runat="server" ID="RadAjaxManager1">
            <AjaxSettings>
                <telerik:AjaxSetting AjaxControlID="RadMultiSelect1">
                    <UpdatedControls>
                        <telerik:AjaxUpdatedControl ControlID="RadMultiSelect1" />
                        <telerik:AjaxUpdatedControl ControlID="EventLogConsole1" />
                    </UpdatedControls>
                </telerik:AjaxSetting>
            </AjaxSettings>
        </telerik:RadAjaxManager>
        <asp:Label Text="Continents:" ID="Label1" AssociatedControlID="RadMultiSelect1" runat="server" />
        <telerik:RadMultiSelect runat="server"
            AutoPostBack="true"
            OnItemSelected="RadMultiSelect1_ItemSelected"
            OnItemDeselected="RadMultiSelect1_ItemDeselected"
            OnSelectionChanged="RadMultiSelect1_SelectionChanged"
            Placeholder="Select continents..."
            AutoClose="false"
            TagMode="Single"
            DataTextField="text"
            DataValueField="value"
            Width="400px"
            ID="RadMultiSelect1">
            <Items>
                <telerik:MultiSelectItem Text="Africa" Value="1"></telerik:MultiSelectItem>
                <telerik:MultiSelectItem Text="Europe" Value="2"></telerik:MultiSelectItem>
                <telerik:MultiSelectItem Text="Asia" Value="3"></telerik:MultiSelectItem>
                <telerik:MultiSelectItem Text="North America" Value="4"></telerik:MultiSelectItem>
                <telerik:MultiSelectItem Text="South America" Value="5"></telerik:MultiSelectItem>
                <telerik:MultiSelectItem Text="Antarctica" Value="6"></telerik:MultiSelectItem>
                <telerik:MultiSelectItem Text="Australia" Value="7"></telerik:MultiSelectItem>
            </Items>
        </telerik:RadMultiSelect>
    </div>
    <qsf:EventLogConsole runat="server" ID="EventLogConsole1" AllowClear="true"></qsf:EventLogConsole>

    </form>
</body>
</html>

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