Update Checkbox ให้ติ๊กถูก และ สามารถส่งค่าไปติ๊กอีก ฟอร์ม ทำได้ไหมครับ

 private void button2_Click(object sender, EventArgs e)
        {
            SqlConnection conn = new SqlConnection("Data Source=192.168.1.1;Initial Catalog=database;User ID=sa;Password=*****);
            conn.Open();
            SqlCommand cmd = conn.CreateCommand();
            cmd.CommandType = CommandType.Text;
            cmd.CommandText = "SELECT * FROM TABLE WHERE ID like('%" + textBox1.Text + "%')";
            DataTable dt = new DataTable();
            SqlDataAdapter da = new SqlDataAdapter(cmd);
            da.Fill(dt);
            dataGridView1.DataSource = dt;

            conn.Close();
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            textBox2.Text = dataGridView1.SelectedRows[0].Cells[0].Value.ToString();



            textBox3.Text = dataGridView1.SelectedRows[0].Cells[1].Value.ToString();
            textBox4.Text = dataGridView1.SelectedRows[0].Cells[2].Value.ToString();
            textBox5.Text = dataGridView1.SelectedRows[0].Cells[6].Value.ToString();
            textBox6.Text = dataGridView1.SelectedRows[0].Cells[4].Value.ToString();
            textBox7.Text = dataGridView1.SelectedRows[0].Cells[5].Value.ToString();
        }

 sallowance_pass = textBox2.Text;
            spass2 = textBox3.Text;
            spass3 = textBox4.Text;
            spass4 = textBox5.Text;
            spass5 = textBox6.Text;
            spass6 = textBox7.Text;