private void btAdd_Click(object sender, EventArgs e)
{
Customer cust = new Customer();
cust.FirstName = "First";
cust.LastName = "Last";
cust.Address = "Addr";
customerList.Add(cust);
}
private void Form1_Load(object sender, EventArgs e)
{
Customer cust = new Customer();
cust.FirstName = "First";
cust.LastName = "Last";
cust.Address = "Addr";
customerList.Add(cust);
customerList.AllowNew = true;
customerList.AllowRemove = true;
customerList.AllowEdit = true;
customerDataGridView.DataSource = customerList;
tbFirstName.DataBindings.Add(new Binding("Text",customerList,"FirstName"));
}