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Version Q1 2012 released 04/11/2012
select

ListView / Items Drag-and-drop

4  Psychosocial

Slipknot
All Hope Is Gone (2008)

2  Dam That River

Alice in Chains
Dirt (1992)

2  Show Me How To Live

AudioSlave
AudioSlave (2002)

1  Enter Sandman

Metallica
Metallica (1991)

 Moonlight Sonata

Beethoven

 Ave Maria

Gounod

 Turkish March

Mozart

3  One on One

Wayman Tisdale
(1999)

1  All Or Nothing At All

Kurt Elling
(2007)

1  The Message

Grandmaster Flash & The Furious 5
(1996)

5  Planet Rock

Afrika Bambataa
(1997)

4  Fireflies

Owl City
(2005)

3  Love Story

Taylor Swift
(2000)

3  Use Somebody

Kings of Leon
(2009)

  • Drag a track to the right and drop over a category to organize.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="c#" Inherits="Telerik.ListViewExamplesCSharp.ItemDragDrop.DefaultCS"
        CodeFile="DefaultCS.aspx.cs" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.QuickStart" %>
    <%@ 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="sds" Namespace="Telerik.Web.SessionDS" %>
    <!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">
        <telerik:HeadTag runat="server"></telerik:HeadTag>
        <link href="style.css" type="text/css" rel="Stylesheet" />
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <div>
            <telerik:Header runat="server" ID="Header1" NavigationLanguage="CS" ShowSkinChooser="true"
                OnSkinChanged="Header1_SkinChanged"></telerik:Header>
            <!-- content start -->
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server" />
            <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" Skin="Office2007">
            </telerik:RadAjaxLoadingPanel>
            <telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="RadAjaxLoadingPanel1">
                <div id="trackContainer">
                    <telerik:RadListView ID="RadListView1" runat="server" OnNeedDataSource="RadListView1_NeedDataSource"
                        OnItemDrop="RadListView1_ItemDrop" ItemPlaceholderID="TrackContainer" DataKeyNames="TrackID, Title, Artist"
                        ClientDataKeyNames="TrackID, Title, Artist">
                        <ClientSettings AllowItemsDragDrop="true">
                            <ClientEvents OnItemDragStarted="itemDragStarted" OnItemDragging="itemDragging" OnItemDropping="trackDropping" />
                        </ClientSettings>
                        <LayoutTemplate>
                            <div class="RadListView RadListView_<%# Container.Skin %>">
                                <asp:PlaceHolder ID="TrackContainer" runat="server"></asp:PlaceHolder>
                            </div>
                        </LayoutTemplate>
                        <ItemTemplate>
                            <div class="track rlvI">
                                <telerik:RadListViewItemDragHandle ID="RadListViewItemDragHandle1" runat="server"
                                    ToolTip="Drag to organize" />
                                <div class="info">
                                    <h3>
                                        <%# (int)Eval("TrackNumber") > 0 ? Eval("TrackNumber") : "" %>
                                        &nbsp;<%# Eval("Title") %></h3>
                                    <div class="artist">
                                        <%# Server.HtmlEncode(Eval("Artist").ToString()) %></div>
                                    <div class="album">
                                        <%# Eval("Album") %>
                                        <%# (int)Eval("Year") > 0 ? "(" + Eval("Year") + ")" : ""%>
                                    </div>
                                </div>
                            </div>
                        </ItemTemplate>
                        <EmptyDataTemplate>
                            <div class="noTracks">
                                No tracks in this section
                            </div>
                        </EmptyDataTemplate>
                    </telerik:RadListView>
                </div>
                <div id="genreContainer">
    <asp:Repeater ID="GenresRepeater" runat="server" OnItemCommand="GenresRepeater_ItemCommand"
    OnPreRender="GenresRepeater_PreRender">
                        <ItemTemplate>
                            <asp:LinkButton ID="GenreLink" runat="server" CommandName="ShowTracks" CommandArgument='<%# Eval("Key") %>'
                                onmouseover='this.className += " selected";' onmouseout='this.className = this.className.split(" selected").join("");'>
                                <%# Eval("Key").ToString() == "" ? "Unsorted" : Eval("Key") %>&nbsp;
                                (<%# Eval("Value") %> items)
                            </asp:LinkButton>
                        </ItemTemplate>
                    </asp:Repeater>
                </div>
                <div style="clear: both">
                </div>
                <asp:Panel ID="ResultsPanel" runat="server" CssClass="result">
                </asp:Panel>
            </telerik:RadAjaxPanel>
            <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
                <script type="text/javascript">
                <!--
                    var originalMsg = "";

                    function itemDragStarted(sender, args) {
                        var title = args.get_dataKeyValues().Title;
                        var artist = args.get_dataKeyValues().Artist;

                        showAction(title, artist);
                    }

                    function itemDragging(sender, args) {
                        var evt = args.get_domEvent();
                        var genreContainer = $get("genreContainer");
                        var itemIndex = sender._itemDrag._draggedItemIndex;
                        var clientKeys = sender.get_clientDataKeyValue()[itemIndex];
                        var title = clientKeys.Title;
                        var artist = clientKeys.Artist

                        if ($telerik.isMouseOverElementEx(genreContainer, evt)) {
                            var target = evt.srcElement || evt.originalTarget;
                            var genre = target.className;

                            showAction(title, artist, genre.split(' ')[0]);
                        }
                        else {
                            showAction(title, artist);
                        }
                    }

                    function showAction(title, artist, genre) {
                        var titleDiv = title ? String.format("<div class='track'><b>{0}</b><br />{1}</div>", title, artist) : "";
                        var arrowDiv = genre ? "<div class='arrow'></div>" : "";
                        var genreDiv = genre ? String.format("<div class='genre {0}'>{0}</div>", genre) : "";

                        $get("ResultsPanel").innerHTML = String.format("{0}{1}{2}", titleDiv, genreDiv, arrowDiv);
                    }

                    function trackDropping(sender, args) {
                        var dest = args.get_destinationElement();
                        if (!dest || !dest.id || dest.id.indexOf("GenreLink") < 0) {
                            args.set_cancel(true);
                        }

                        showAction();
                    }
                    -->
                </script>
            </telerik:RadCodeBlock>
            <!-- content end -->
            <telerik:Footer runat="server" ID="Footer1" />
        </div>
        </form>
    </body>
    </html>

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