private void AddStorePartner_Click(object sender, RoutedEventArgs e)
        {
            StorePartner newStorePartner = new StorePartner(indexTracker, idTextBox.Text, companyNameTextBox.Text, contactNameTextBox.Text, contactTitleTextBox.Text, addressTextBox.Text, cityTextBox.Text, countryTextBox.Text);

            storePartnerList.Add(newStorePartner);
            stringListOfStorePartners.Add(newStorePartner.ToString());
            listBox1.ItemsSource = null;
            listBox1.ItemsSource = stringListOfStorePartners;
            indexTracker++;
        }
        public MainWindow()
        {
            InitializeComponent();

            StorePartner firstStorePartner = new StorePartner(indexTracker, "VHF1", "Telus", "O.G. Anunoby", "Manager", "941 Progress Avenue", "Toronto", "Canada");

            storePartnerList.Add(firstStorePartner);
            stringListOfStorePartners.Add(firstStorePartner.ToString());
            indexTracker++;

            StorePartner secondStorePartner = new StorePartner(indexTracker, "ASD2", "Asus", "Kobe Beans", "CTO", "1050 Markham Road", "Toronto", "Canada");

            storePartnerList.Add(secondStorePartner);
            stringListOfStorePartners.Add(secondStorePartner.ToString());
            indexTracker++;


            StorePartner thirdStorePartner = new StorePartner(indexTracker, "OIJ9", "Lenovo", "Jet Jamison", "CEO", "173 Brimorton Road", "Toronto", "Canada");

            storePartnerList.Add(thirdStorePartner);
            stringListOfStorePartners.Add(thirdStorePartner.ToString());
            indexTracker++;

            StorePartner fourthStorePartner = new StorePartner(indexTracker, "JOI9", "Playstation", "Karl Anthony", "Benchwarmer", "82 Ellesmere Road", "Toronto", "Canada");

            storePartnerList.Add(fourthStorePartner);
            stringListOfStorePartners.Add(fourthStorePartner.ToString());
            indexTracker++;

            StorePartner fifthStorePartner = new StorePartner(indexTracker, "JJO7", "Apple", "Kawhi Leonard", "Role Player", "121 Bathurst Street", "Toronto", "Canada");

            storePartnerList.Add(fifthStorePartner);
            stringListOfStorePartners.Add(fifthStorePartner.ToString());
            indexTracker++;


            listBox1.ItemsSource = null;
            listBox1.ItemsSource = stringListOfStorePartners;
        }