VS Syntax error in INSERT INTO statement แก้ยังไงครับลองทำเองหลายวิธีแล้วแต่ไม่ได้

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

namespace EquipmentManagement
{
    public partial class EquipmentManagement : Form
    {
        public EquipmentManagement()
        {
            InitializeComponent();
        }
        OleDbCommand CM = new OleDbCommand();
        OleDbDataAdapter AP = new OleDbDataAdapter();
        DataTable DTshow = new DataTable();
        OleDbCommandBuilder CB = new OleDbCommandBuilder();
        OleDbConnection CN = new OleDbConnection("Provider = Microsoft.Jet.OLEDB.4.0; Data Source = D:\\Project\\Visual Studio\\ระบบยืมคืน\\ระบบยืม-คืน.mdb");
        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                CN.Open();
                Showdata();
            }
            catch
            { MessageBox.Show("Error"); }
        }
        private void Showdata()
        {
            string sql = "select * from Equipment";
            OleDbCommand CM = new OleDbCommand(sql, CN);
            OleDbDataReader DR = CM.ExecuteReader();
            DataTable Dt = new DataTable();
            if (DR.HasRows)
            {
                Dt.Load(DR);
                dataGridView1.DataSource = Dt;
                dataGridView1.Columns[0].Width = 85;
                dataGridView1.Columns[1].Width = 85;
                dataGridView1.Columns[2].Width = 85;
                dataGridView1.Columns[3].Width = 85;
                dataGridView1.Columns[4].Width = 85;
            }
            else 
            {
                dataGridView1.DataSource = null;
            }
            DR.Close();

        }

        private void Addequipment_Click(object sender, EventArgs e)
        {
            string sql = "Insert Into Equipment (@BarcodeID(E),@E_ID,@E_name,@E_group,@E_quantity)Values('" + textBox1.Text + "','" + textBox2.Text + "','" + textBox3.Text + "','" + textBox4.Text + "','" + textBox5.Text + "')";
            OleDbCommand CM = new OleDbCommand(sql, CN);
            CM.ExecuteNonQuery();
            MessageBox.Show("บันทึกเรียบร้อย", "Equipment", MessageBoxButtons.OK, MessageBoxIcon.Information);
            Showdata();
            Cleardata();
        }
        private void Cleardata() 
        {
            textBox1.Clear();
            textBox2.Clear();
            textBox3.Clear();
            textBox4.Clear();
            textBox5.Clear();
        }
    }
}