Добавить запись в БД Access

private void button2_Click(object sender, EventArgs e)
        {
            monitorTableAdapter.Update(ds);
            MessageBox.Show("Данные обновлены!");
            dataGridView1.Refresh();
        }

ds.Tables["monitor"].DefaultView.RowFilter = "cabID = " +;

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            ds.Tables["monitor"].DefaultView.RowFilter = "cabID = " ;
            
        }

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            ds.Tables["monitor"].DefaultView.RowFilter = "cabID = " + comboBox1.SelectedValue.ToString();
        }

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;
 
namespace WindowsFormsApplication16
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'ds.Cabinet' table. You can move, or remove it, as needed.
            this.cabinetTableAdapter.Fill(this.ds.Cabinet);
            // TODO: This line of code loads data into the 'ds.monitor' table. You can move, or remove it, as needed.
            this.monitorTableAdapter.Fill(this.ds.monitor);
 
        }
 
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            ds.Tables["monitor"].DefaultView.RowFilter = "cabID = " + comboBox1.SelectedValue.ToString();
                       
        }
    }
}

using System;
using System.Data;
using System.Windows.Forms;
 
namespace WindowsFormsApplication20
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        
        private void Form1_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'ds.monitor' table. You can move, or remove it, as needed.
            this.monitorTableAdapter.Fill(this.ds.monitor);
 
        }
 
        private void DataGridView1_DataError(object sender, DataGridViewDataErrorEventArgs anError)
        {
            anError.ThrowException = false;
            MessageBox.Show("error");
        }
        }
}

void dataGridView1_DataError(object sender, DataGridViewDataErrorEventArgs anError)
        {
            MessageBox.Show("error");
            anError.ThrowException = false;
        }

DataSet ds;
 
ds.Clear();

 Fillds();
 
 
 public void Fillds()
 {         
        ds = conDB.GetDBData();
 }