c969-project/C969Project/AddUpdateCustomerForm.cs

using C969Project.Data;
using C969Project.Data.Models;

namespace C969Project;

public partial class AddUpdateCustomerForm : Form
{
    public AddUpdateCustomerForm()
    {
        InitializeComponent();
    }

    public void InitAdd()
    {
        Text = "Add Customer";
        label1.Text = "Add Customer";
        
        nameTextBox.Text = string.Empty;
        addressTextBox.Text = string.Empty;
        cityTextBox.Text = string.Empty;
        zipTextBox.Text = string.Empty;
        phoneTextBox.Text = string.Empty;

        ShowDialog();
    }

    public void InitUpdate(Customer customer)
    {
        Text = "Update Customer";
        label1.Text = "Update Customer";

        nameTextBox.Text = customer.CustomerName;
        var addr = DatabaseHelper.RetrieveAddress(customer.AddressId);
        addressTextBox.Text = addr.Address1;
        var city = DatabaseHelper.RetrieveCity(addr.CityId);
        cityTextBox.Text = city.CityName;
        zipTextBox.Text = addr.PostalCode;
        phoneTextBox.Text = addr.Phone;
        
        ShowDialog();
    }
    
    // name, {address, phone}
}