New to Telerik UI for ASP.NET AJAX? Download free 30-day trial

Drag-and-drop

Move operation is supported only when dragged item is expanded. If it is not, the code will fallback to (non-recursive) copy operation.
Source
Rigó Veronika
609-594-1238
Pleasantville (Atlantic), NJ 08232 2610 Moonlight Drive
 
Keira Demirel
251-752-1224
Birmingham, AL 35211 891 Joyce Street
  
Wendy H Golding
818-247-6418
Glendale, CA 91204 3474 Oakway Lane
 
Joe Palmer
313-576-8085
Detroit, MI 48201 2571 Woodbridge Lane
   
Edwin J Fleeman
626-609-5895
Los Angeles, CA 90017 1019 Nickel Road
 
Bo Ojala
530-255-4321
Chico, CA 95926 645 Francis Mine
Target
Ken J Sánchez
697-555-0142
Newport Hills 4350 Minute Dr.
 
Kevin F Brown
150-555-0189
Everett 7883 Missing Canyon Court
  
Isabel Burke
510-615-1721
Oakland, CA 94621 3437 Clifford Street
  
Frans A Lauritsen
320-556-2959
Saint Cloud, MN 56303 3145 Brighton Circle Road
   
Ondřej Honc
651-274-5093
Minneapolis, MN 55415 4125 Bryan Avenue
  
Ondřej Honc
651-274-5093
Minneapolis, MN 55415 4125 Bryan Avenue
  • Demo Configurator
Select this checkbox to toggle between copy/move mode.

You can drag items from left to right but not vice versa. Depending on the 'Move dragged items' checkbox selection, the items will be either copied or moved to the target control. Both RadTreeLists support item reordering.

  • DefaultVB.aspx
  • DefaultVB.aspx.vb
  • scripts.js
  • styles.css
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.Web.Examples.TreeListExamplesVBNET.ItemsDragDrop.DefaultVB"  %>

<%@ 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>
    <link href="styles.css" rel="stylesheet" />
    <script type="text/javascript" src="scripts.js"></script>
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <qsf:MessageBox ID="IDBox1" Icon="Info" runat="server" >
        Move operation is supported only when dragged item is expanded. If it is not,
        the code will fallback to (non-recursive) copy operation.
    </qsf:MessageBox>
    <telerik:RadAjaxManager runat="server" ID="RadAjaxManager1" DefaultLoadingPanelID="RadAjaxLoadingPanel1">
        <AjaxSettings>
            <telerik:AjaxSetting AjaxControlID="ConfigurationPanel1">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="RadTreeList1" />
                    <telerik:AjaxUpdatedControl ControlID="RadTreeList2" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="RadTreeList1">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="RadTreeList1" />
                    <telerik:AjaxUpdatedControl ControlID="RadTreeList2" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="RadTreeList2">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="RadTreeList1" />
                    <telerik:AjaxUpdatedControl ControlID="RadTreeList2" />
                </UpdatedControls>
            </telerik:AjaxSetting>
        </AjaxSettings>
    </telerik:RadAjaxManager>
    <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server"></telerik:RadAjaxLoadingPanel>
    <div class="demo-container">
        <div class="left">
            <telerik:RadTreeList RenderMode="Lightweight" ID="RadTreeList1" runat="server" AllowPaging="True" DataSourceID="SqlDataSource1" DataKeyNames="EmployeeID" ParentDataKeyNames="ParentEmployeeID" AutoGenerateColumns="false" AllowRecursiveDelete="true" Width="500px" PageSize="6" OnItemCommand="RadTreeList1_ItemCommand">
                <PagerStyle Mode="NumericPages"></PagerStyle>
                <Columns>
                    <telerik:TreeListDragDropColumn Visible="false" HeaderStyle-Width="20px" UniqueName="TreeListDragDropColumn"></telerik:TreeListDragDropColumn>
                    <telerik:TreeListTemplateColumn HeaderText="Source" DataField="FirstName">
                        <ItemTemplate>
                            <table class="templateTable">
                                <tr>
                                    <td class="templateHeader">
                                        <asp:Label ID="lblFirstName" runat="server" Text='<%# Bind("FirstName") %>'></asp:Label>
                                        <asp:Label ID="lblMiddleName" runat="server" Text='<%# Bind("MiddleName") %>'></asp:Label>
                                        <asp:Label ID="lblLastName" runat="server" Text='<%# Bind("LastName") %>'></asp:Label>
                                    </td>
                                </tr>
                                <tr>
                                    <td>
                                        <asp:Label ID="lblPhone" runat="Server" Text='<%# Bind("Phone") %>'></asp:Label>
                                    </td>
                                </tr>
                                <tr>
                                    <td>
                                        <asp:Label ID="lblCity" runat="server" Text='<%# Bind("City") %>'></asp:Label>
                                        <asp:Label ID="lblAddress" runat="server" Text='<%# Bind("Address") %>'></asp:Label>
                                    </td>
                                </tr>
                            </table>
                        </ItemTemplate>
                    </telerik:TreeListTemplateColumn>
                </Columns>
                <ClientSettings AllowItemsDragDrop="true">
                    <Selecting AllowItemSelection="True"></Selecting>
                    <ClientEvents OnItemDropping="itemDropping" OnItemDragging="itemDragging" OnTreeListCreated="function(sender) { treeList1 = sender; }"></ClientEvents>
                </ClientSettings>
            </telerik:RadTreeList>
        </div>
        <div class="right">
            <telerik:RadTreeList RenderMode="Lightweight" ID="RadTreeList2" runat="server" AllowPaging="True" DataSourceID="SqlDataSource2" DataKeyNames="EmployeeID" ParentDataKeyNames="ManagerID" AutoGenerateColumns="false" ClientDataKeyNames="EmployeeID" PageSize="6" Width="500px">
                <PagerStyle Mode="NumericPages"></PagerStyle>
                <Columns>
                    <telerik:TreeListDragDropColumn Visible="false" HeaderStyle-Width="20px" UniqueName="TreeListDragDropColumn"></telerik:TreeListDragDropColumn>
                    <telerik:TreeListTemplateColumn HeaderText="Target">
                        <ItemTemplate>
                            <table id="Table1" class="templateTable" runat="server">
                                <tr>
                                    <td class="templateHeader">
                                        <asp:Label ID="lblFirstName" runat="server" Text='<%# Bind("FirstName") %>'></asp:Label>
                                        <asp:Label ID="lblMiddleName" runat="server" Text='<%# Bind("MiddleName") %>'></asp:Label>
                                        <asp:Label ID="lblLastName" runat="server" Text='<%# Bind("LastName") %>'></asp:Label>
                                    </td>
                                </tr>
                                <tr>
                                    <td>
                                        <asp:Label ID="lblPhone" runat="Server" Text='<%# Bind("Phone") %>'></asp:Label>
                                    </td>
                                </tr>
                                <tr>
                                    <td>
                                        <asp:Label ID="lblCity" runat="server" Text='<%# Bind("City") %>'></asp:Label>
                                        <asp:Label ID="lblAddress" runat="server" Text='<%# Bind("Address") %>'></asp:Label>
                                    </td>
                                </tr>
                            </table>
                        </ItemTemplate>
                    </telerik:TreeListTemplateColumn>
                </Columns>
                <ClientSettings AllowItemsDragDrop="true">
                    <Selecting AllowItemSelection="True"></Selecting>
                    <ClientEvents OnItemDropping="itemDropping" OnItemDragging="itemDragging" OnTreeListCreated="function(sender) { treeList2 = sender; }"></ClientEvents>
                </ClientSettings>
            </telerik:RadTreeList>
        </div>
    </div>
    <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:SelfReferencingDbConnectionString %>" SelectCommand="SELECT [EmployeeID], [ParentEmployeeID], [FirstName], [MiddleName], [LastName], [Phone], [Address], [City] FROM [TelerikEmployees]" DeleteCommand="DELETE FROM [TelerikEmployees] WHERE [EmployeeID] = @EmployeeID" InsertCommand="INSERT INTO [TelerikEmployees] ([ParentEmployeeID]) VALUES (@ParentEmployeeID)" UpdateCommand="UPDATE [TelerikEmployees] SET [ParentEmployeeID] = @ParentEmployeeID WHERE [EmployeeID] = @EmployeeID">
        <DeleteParameters>
            <asp:Parameter Name="EmployeeID" Type="Int32"></asp:Parameter>
        </DeleteParameters>
        <InsertParameters>
            <asp:Parameter Name="ParentEmployeeID" Type="Int32"></asp:Parameter>
        </InsertParameters>
        <UpdateParameters>
            <asp:Parameter Name="ParentEmployeeID" Type="Int32"></asp:Parameter>
            <asp:Parameter Name="EmployeeID" Type="Int32"></asp:Parameter>
        </UpdateParameters>
    </asp:SqlDataSource>
    <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:SelfReferencingDbConnectionString %>" SelectCommand="SELECT [EmployeeID], [FirstName], [MiddleName], [LastName], [ManagerID], [Address], [City], [Phone] FROM [EmployeesNew]" DeleteCommand="DELETE FROM [EmployeesNew] WHERE [EmployeeID] = @EmployeeID" InsertCommand="INSERT INTO [EmployeesNew] ([ManagerID]) VALUES (@ManagerID)" UpdateCommand="UPDATE [EmployeesNew] SET [ManagerID] = @ManagerID WHERE [EmployeeID] = @EmployeeID">
        <DeleteParameters>
            <asp:Parameter Name="EmployeeID" Type="Int32"></asp:Parameter>
        </DeleteParameters>
        <InsertParameters>
            <asp:Parameter Name="ManagerID" Type="Int32"></asp:Parameter>
        </InsertParameters>
        <UpdateParameters>
            <asp:Parameter Name="ManagerID" Type="Int32"></asp:Parameter>
            <asp:Parameter Name="EmployeeID" Type="Int32"></asp:Parameter>
        </UpdateParameters>
    </asp:SqlDataSource>
    <qsf:ConfiguratorPanel runat="server" ID="ConfigurationPanel1" Title="Demo Configurator">
        <Views>
            <qsf:View>
                <qsf:ConfiguratorColumn ID="ConfiguratorColumn1" runat="server" Title="Select this checkbox to toggle between copy/move mode.">
                    <ul class="fb-group">
                        <li>
                            <span class="checkbox">
                                <asp:CheckBox AutoPostBack="true" runat="server" ID="MoveItemsCheckBox" Text="Move dragged items"></asp:CheckBox>
                            </span>
                        </li>
                        <li>
                            <span class="checkbox">
                                <asp:CheckBox AutoPostBack="true" runat="server" ID="ShowDragColumnCheckBox" Text="Show DragDrop Column" OnCheckedChanged="ShowDragColumnCheckBox_CheckedChanged"></asp:CheckBox>
                            </span>
                        </li>
                    </ul>
                </qsf:ConfiguratorColumn>
            </qsf:View>
        </Views>
    </qsf:ConfiguratorPanel>
    </form>
</body>
</html>

Support & Learning Resources

Find Assistance