insert into ms access db from another database with c# code

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            System.Data.OleDb.OleDbConnection oConn = null; System.Data.OleDb.OleDbCommand oComm = null;
            string sConn = String.Empty; System.Text.StringBuilder sComm = null ;
            string sDb1 = String.Empty; string sDb2 = String.Empty;
            int retVal = 0;
            try
            {
                sDb1 = "C:\\db1.mdb";
                sDb2 = "C:\\db2.mdb";
                sConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + sDb2 + ";";
                oConn = new System.Data.OleDb.OleDbConnection(sConn);
                oConn.Open();
                sComm = new StringBuilder();
                sComm.AppendLine("INSERT INTO tblUsers (ID, UserName)");
                sComm.AppendLine("SELECT *");
                sComm.AppendLine("FROM tblUsers IN '" + sDb1 + "'");
                sComm.AppendLine("WHERE ID = 1;");
                Console.WriteLine(sComm.ToString());
                oComm = new System.Data.OleDb.OleDbCommand(sComm.ToString(), oConn);
                retVal = oComm.ExecuteNonQuery();
                Console.WriteLine("Records affected: {0}", retVal.ToString());
                //Console.ReadKey();
            }
            catch (System.Data.OleDb.OleDbException ex)
            {
                Console.WriteLine(ex.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                if (oConn.State == System.Data.ConnectionState.Open ) oConn.Close();
                Console.ReadKey();
            }
        }
    }
}

INSERT INTO tblUsers (ID, UserName)
SELECT *
FROM tblUsers IN 'C:\db1.mdb'
WHERE ID = 1;

Records affected: 1