protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { DropDownListCountries.DataSource = products; DropDownListCountries.DataBind(); RebindTowns(); } }
protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { CountriesDataContext context = new CountriesDataContext(); DropDownListCountries.DataSource = context.Countries; DropDownListCountries.DataBind(); RebindTowns(); } }
private void RebindTowns() { DropDownListCountries.DataSource = products; DropDownListCountries.DataBind(); //int countryId = int.Parse(DropDownListCountries.SelectedValue); //CountriesDataContext context = new CountriesDataContext(); //var towns = // from town in context.Towns // where town.CountryID == countryId // select town; //DropDownListTowns.DataSource = towns; //DropDownListTowns.DataBind(); }