private void btnAdd_Click(object sender, EventArgs e)
        {
            CustomerAdd jobForm = new CustomerAdd();

            jobForm.ShowDialog();
            customerForm_Load(null, null);
        }
        private void EditJob()
        {
            JobInfo job = m_jobDict[cusJobList.SelectedRows[0].Cells[0].Value.ToString()];

            if (job != null)
            {
                CustomerAdd jobForm = new CustomerAdd(job);
                jobForm.ShowDialog();
                customerForm_Load(null, null);
            }
        }