//To add a new product to the system when 'Add' button is clicked
private void btnAddProduct_Click(object sender, EventArgs e)
{
//Displays a new window where the user can fill in the details for a new product
NewProductWindow npw = new NewProductWindow("Add");
npw.ShowDialog();
//Calls method ShowProduct() to reflect the changes made to the list of products
ShowProducts("All");
}
//To edit the product selected when 'Edit' button is clicked
private void btnEditProduct_Click(object sender, EventArgs e)
{
string productRecord = Convert.ToString(listBoxProduct.SelectedItem);
string[] productID = productRecord.Split(' ');
//Displays a new window where the user can edit the details of the product selected
NewProductWindow npw = new NewProductWindow("Edit", productID[0]);
npw.ShowDialog();
//Calls method ShowProduct() to reflect the changes made to the list of products
ShowProducts(Convert.ToString(cmBoxCategory.SelectedItem));
}