GridView SelectIndexChanged 事件

protected void gridEmployees_SelectedIndexChanged(object sender, EventArgs e)
    {
        int index = gridEmployees.SelectedIndex;

        // You can retrieve the key field from the SelectedDataKey property.
        int ID = (int)gridEmployees.SelectedDataKey.Values["EmployeeID"];

        // You can retrieve other data directly from the Cells collection,
        // as long as you know the column offset.
        string firstName = gridEmployees.SelectedRow.Cells[2].Text;
        string lastName = gridEmployees.SelectedRow.Cells[3].Text;
        
        lblRegionCaption.Text = "Regions that " + firstName + " " + lastName +
            " (employee " + ID.ToString() + ") is responsible for:";
    }