private void CheckCustomerDetails_Click(object sender, EventArgs e)
        {
            CheckCustomerDetails form = new CheckCustomerDetails(Model);

            form.Dock = DockStyle.Fill;
            form.MdiParent = this.MdiParent;
            form.Show();
            form.WindowState = FormWindowState.Maximized;
        }
 private void button5_Click(object sender, EventArgs e)
 {
     CheckCustomerDetails checkCustomerDetails = new CheckCustomerDetails(Model);
     checkCustomerDetails.Dock = DockStyle.Fill;
     checkCustomerDetails.MdiParent = this.MdiParent;
     checkCustomerDetails.Show();
     checkCustomerDetails.WindowState = FormWindowState.Maximized;
 }