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    Persisting ListBox Settings

    In this example you can see how to preserve the Selected and Checked nodes of RadListBox control using the Telerik ASP.NET Persistence Framework.

    • DefaultCS.aspx
    • DefaultCS.aspx.cs
    • styles.css
    <%@ Page Title="" Language="C#"  AutoEventWireup="true" CodeFile="DefaultCS.aspx.cs" Inherits="DefaultCS" %>
     
    <!DOCTYPE html>
    <html xmlns='http://www.w3.org/1999/xhtml'>
    <head runat="server">
        <title>Telerik ASP.NET Example</title>
        <link rel="stylesheet" href="styles.css" />
    </head>
     
    <body>
        <form id="form1" runat="server">
        <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
        <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
     
        <telerik:RadPersistenceManager runat="server" ID="RadPersistenceManager1">
            <PersistenceSettings>
                <telerik:PersistenceSetting ControlID="RadListBox1" />
            </PersistenceSettings>
        </telerik:RadPersistenceManager>
     
        <div class="demo-container">
     
            <div class="demo-settings">
                <telerik:RadButton RenderMode="Lightweight" ID="SaveButton" runat="server" Text="Save state" OnClick="SaveButton_Click" />
                <telerik:RadButton RenderMode="Lightweight" ID="ResetButton" runat="server" Text="Reset state" OnClick="ResetButton_Click" />
                <telerik:RadButton RenderMode="Lightweight" ID="LoadButton" runat="server" Text="Load state" OnClick="LoadButton_Click" />
            </div>
     
            <telerik:RadListBox RenderMode="Lightweight" ID="RadListBox1" runat="server" CheckBoxes="true" ShowCheckAll="true" Width="300px" Height="300px">
                <Items>
                    <telerik:RadListBoxItem Text="Arts" />
                    <telerik:RadListBoxItem Text="Biographies" />
                    <telerik:RadListBoxItem Text="Children's Books" />
                    <telerik:RadListBoxItem Text="Computers &amp; Internet" />
                    <telerik:RadListBoxItem Text="Cooking" />
                    <telerik:RadListBoxItem Text="History" />
                    <telerik:RadListBoxItem Text="Fiction" />
                    <telerik:RadListBoxItem Text="Mystery" />
                    <telerik:RadListBoxItem Text="Nonfiction" />
                    <telerik:RadListBoxItem Text="Romance" />
                    <telerik:RadListBoxItem Text="Science Fiction" />
                    <telerik:RadListBoxItem Text="Travel" />
                </Items>
            </telerik:RadListBox>
        </div>
     
        </form>
    </body>
    </html>

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