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Version Q2 2011 released 07/12/2011
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ListBox / Server-side Events

    
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Event log:

  • RadListBox exposes the following server side events:

    Deleting
    Raised when items are deleted. Can be cancelled.
    Deleted
    Raised after items are deleted.
    Inserting
    Raised when items are inserted during transfer.
    Inserted
    Raised after items are insrted during transfer.
    ItemCreated
    Raised when a new item is created during databinding, programmatic insertion or loading from ViewState.
    ItemDataBound
    Raised when an item is databound.
    Reordering
    Raised when items are reordered. Can be cancelled.
    Reordered
    Raised after items are reordered.
    Transferring
    Raised when items are transferred. Can be cancelled.
    Transferred
    Raised after items are transferred.
    SelectedIndexChanged
    Raised when the selected index of the listbox has changed after postback.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="VB" AutoEventWireup="true" CodeFile="DefaultVB.aspx.vb" Inherits="ListBox_Examples_Programming_ServerEvents_DefaultVB" %>

    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ 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="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!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" />
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <telerik:RadScriptManager ID="ScriptManager" runat="server" />
        <qsf:Header runat="server" ID="Header1" NavigationLanguage="VB" />
        <telerik:RadListBox runat="server" ID="RadListBox1" AutoPostBack="True" Width="200px"
            Height="200px" OnSelectedIndexChanged="RadListBox1_SelectedIndexChanged" OnDeleted="RadListBox1_Deleted"
            OnDeleting="RadListBox1_Deleting" OnInserted="RadListBox1_Inserted" OnInserting="RadListBox1_Inserting"
            OnTransferred="RadListBox1_Transferred" OnTransferring="RadListBox1_Transferring"
            TransferToID="RadListBox2" AllowTransfer="true" AutoPostBackOnTransfer="true"
            SelectionMode="Multiple">
        </telerik:RadListBox>
        <telerik:RadListBox runat="server" ID="RadListBox2" AllowReorder="true" AllowDelete="true"
            OnDeleted="RadListBox2_Deleted" OnDeleting="RadListBox2_Deleting" OnReordered="RadListBox2_Reordered"
            OnReordering="RadListBox2_Reordering" AutoPostBackOnDelete="true" AutoPostBackOnReorder="true"
            OnInserted="RadListBox2_Inserted" OnInserting="RadListBox2_Inserting" SelectionMode="Multiple"
            Width="200px" Height="200px">
        </telerik:RadListBox>
        <qsf:EventLogConsole runat="server" ID="EventLogConsole1" EnableViewState="false"
            Height="300px" />
        <qsf:Footer runat="server" ID="Footer1" />
        </form>
    </body>
    </html>

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