C# ช่วยดูที่ครับเรื่อง insert ข้อมูล รันผ่านแล้วแต่พอ แอดมันติดอะ

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;

namespace WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        OleDbConnection myConn = new OleDbConnection();
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            myConn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\\Member.mdb";
            myConn.Open();
          
           
        }

        private void button1_Click(object sender, EventArgs e)
        {
            OleDbCommand mycommand = new OleDbCommand();
            OleDbTransaction myTransaction;

            OleDbParameter CustomerID = new OleDbParameter();
            CustomerID.ParameterName = "@Cus";
            CustomerID.OleDbType = OleDbType.Integer;
            CustomerID.Direction = ParameterDirection.Input;
            CustomerID.Value = textBox1.Text;

            OleDbParameter Username = new OleDbParameter();
            Username.ParameterName = "@Uname";
            Username.OleDbType = OleDbType.Integer;
            Username.Direction = ParameterDirection.Input;
            Username.Value = textBox2.Text;


            myTransaction = myConn.BeginTransaction();
            mycommand.CommandText = "INSERT INTO member(CustomerID,Username)VALUES(@Cus,@Uname)";
            mycommand.CommandType = CommandType.Text;
            mycommand.Transaction = myTransaction;
            mycommand.Connection = myConn;
            mycommand.Parameters.Add(CustomerID);
            mycommand.Parameters.Add(Username);
            mycommand.ExecuteNonQuery();
            myTransaction.Commit();
            textBox1.Text = "";
            textBox2.Text = "";
            myTransaction.Rollback();