protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         ddlCustomers.DataBind();
     }
     selectedCustomer = this.GetselectedCustomer();
     this.DisplayCustomer();
 }
        private Customer GetselectedCustomer()
        {
            DataView customerTable = (DataView)
                SqlDataSource1.Select(DataSourceSelectArguments.Empty);
            customerTable.RowFilter = "CustomerID = " + ddlCustomers.SelectedValue;
            DataRowView row = customerTable[0];

            Customer customer = new Customer();
            customer.CustomerID = Convert.ToInt32(row["CustomerID"]);
            customer.Name = row["Name"].ToString();
            customer.Address = row["Address"].ToString();
            customer.City = row["City"].ToString();
            customer.State = row["State"].ToString();
            customer.ZipCode = row["ZipCode"].ToString();
            customer.Phone = row["Phone"].ToString();
            customer.Email = row["Email"].ToString();
            return customer;
        }
 public void AddItem(Customer customer)
 {
     customers.Add(customer);
 }