private void backButton_Click(object sender, EventArgs e)
{
this.Hide();
OrderManagement createSale = new OrderManagement(username);
createSale.Show();
}
private void orderManagementButton_Click(object sender, EventArgs e)
{
OrderManagement orderManagement = new OrderManagement(username);
orderManagement.Show();
this.Hide();
}
private void incertButton_Click(object sender, EventArgs e)
{
CustomerService customerService = new CustomerService();
int result = customerService.AddNewCustomer(customerNameTextBox.Text, phoneNoTextBox.Text);
this.Hide();
OrderManagement createSale = new OrderManagement(username);
createSale.Show();
}