/// <summary>
/// Before bind data elements to droplist country.
/// </summary>
/// <param name="sender">Object sender : ddlCountry.</param>
/// <param name="e">EventArgs e.</param>
protected void OnCountryDataBinding(Object sender, EventArgs e)
{
DropDownList ddlCountry = sender as DropDownList;
ddlCountry.DataSource = AddressRepository.GetAllCountries();
}