protected void Page_Load(object sender, EventArgs e) { using (CustomersProvider provider = new CustomersProvider()) { CustomersGridView.DataSource = provider.GetList(); CustomersGridView.DataBind(); if (!CustomersGridView.IsCallback) { Customer focusedRow = CustomersGridView.GetRow(CustomersGridView.FocusedRowIndex) as Customer; if (focusedRow != null) { CustomerDetails.LoadContent(focusedRow.Id); } } } }