Copy/Move/Update/Save the List items from Source List to Destination List using ProcessBatchData in SharePoint

Copy/Move/Update/Save the List items from Source List to Destination List using ProcessBatchData in SharePoint.
http://msdn.microsoft.com/en-us/library/office/ms461938(v=office.14).aspx
http://msdn.microsoft.com/en-us/library/office/ms480784(v=office.14).aspx
ProcessBatchData
In list1, list2 column name should be same like Title, USER_NAME, PLACE. column name are case sensitive.
in .aspx page:-
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<%@ Assembly Name="$SharePoint.Project.AssemblyFullName$" %>

<%@ Import Namespace="Microsoft.SharePoint.ApplicationPages" %>

<%@ Register TagPrefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls"

    Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

<%@ Register TagPrefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

<%@ Register TagPrefix="asp" Namespace="System.Web.UI" Assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>

<%@ Import Namespace="Microsoft.SharePoint" %>

<%@ Assembly Name="Microsoft.Web.CommandUI, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="test.aspx.cs" Inherits="test.Layouts.test.test"

    DynamicMasterPageFile="~masterurl/default.master" %>

<asp:Content ID="PageHead" ContentPlaceHolderID="PlaceHolderAdditionalPageHead" runat="server">

</asp:Content>

<asp:Content ID="Main" ContentPlaceHolderID="PlaceHolderMain" runat="server">  

    <table>

        <tr>

            <td align="center">

                <asp:Button ID="btnClose" Font-Bold="true" runat="server" Text="Move Items from list1 to list2"

                    OnClick="btnMove_Click" />

            </td>

        </tr>

    </table>

</asp:Content>

<asp:Content ID="PageTitle" ContentPlaceHolderID="PlaceHolderPageTitle" runat="server">

    Application Page

</asp:Content>

<asp:Content ID="PageTitleInTitleArea" ContentPlaceHolderID="PlaceHolderPageTitleInTitleArea"

    runat="server">

    My Application Page

</asp:Content>

In .aspx.cs page:-

---------------------------

using System;

using Microsoft.SharePoint;

using Microsoft.SharePoint.WebControls;

using System.Text;

using System.Data;

using System.Web;

namespace test.Layouts.test

{

    public partial class test : LayoutsPageBase

    {

        protected void Page_Load(object sender, EventArgs e)

        {

        }

        protected void btnMove_Click(object sender, EventArgs e)

        {

            try

            {

                SPWeb web = SPContext.Current.Web;

                SPList source_list = web.Lists["list1"];

                SPList destination_list = web.Lists["list2"];

                SPQuery query = new SPQuery();

                query.RowLimit = 2000;

                StringBuilder sbQuery = new StringBuilder();

                sbQuery.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?><Batch>");

                string command =

                    "<Method>" +

                        "<SetList Scope=\"Request\">{0}</SetList>" +

                        "<SetVar Name=\"ID\">New</SetVar>" +

                        "<SetVar Name=\"Cmd\">Save</SetVar>" +

                        "<SetVar Name=\"urn:schemas-microsoft-com:office:office#Title\">{1}</SetVar>" +

                        "<SetVar Name=\"urn:schemas-microsoft-com:office:office#USER_NAME\">{2}</SetVar>" +

                        "<SetVar Name=\"urn:schemas-microsoft-com:office:office#PLACE\">{3}</SetVar>" +

                    "</Method>";

                string deleteCommand =

                    "<Method>" +

                        "<SetList Scope=\"Request\">{0}</SetList>" +

                        "<SetVar Name=\"ID\">{1}</SetVar>" +

                        "<SetVar Name=\"Cmd\">Delete</SetVar>" +

                    "</Method>";

                //string CopyCommand =

                //   "<Method>" +

                //       "<SetList Scope=\"Request\">{0}</SetList>" +

                //       "<SetVar Name=\"ID\">{1}</SetVar>" +

                //       "<SetVar Name=\"Cmd\">Copy</SetVar>" +

                //   "</Method>";

                SPListItemCollection itmColl;

                do

                {

                    itmColl = source_list.GetItems(query);

                    if (itmColl.Count >= 0)

                    {

                    }

                    query.ListItemCollectionPosition = itmColl.ListItemCollectionPosition;

                    DataTable dtData = new DataTable();

                    dtData = itmColl.GetDataTable();

                    foreach (DataRow dr in dtData.Rows)

                    {

                        sbQuery.AppendFormat(command, destination_list.ID, Convert.ToString(dr["Title"]), Convert.ToString(dr["USER_NAME"]), Convert.ToString(dr["PLACE"]));

                        sbQuery.AppendFormat(deleteCommand, source_list.ID, Convert.ToString(dr["ID"]));

                        //sbQuery.AppendFormat(CopyCommand, source_list.ID, Convert.ToString(dr["ID"]));

                    }

                } while (query.ListItemCollectionPosition != null);

                sbQuery.Append("</Batch>");

                web.ProcessBatchData(sbQuery.ToString());

            }

            catch (Exception ex)

            {

            }

        }

    }

}