protected void ddlHood_SelectedIndexChanged(object sender, EventArgs e) { if (ddlHood.SelectedItem.Text.CompareTo("בחר שכונה") == 1) { ddlStreet.Items.Clear(); ddlStreet.Items.Add("בחר רחוב"); AddressBL abl = new AddressBL(); LinkedList <ListItem> l = abl.getAllStreet(ddlHood.SelectedItem.Value); foreach (ListItem li in l) { ddlStreet.Items.Add(li); } } else { ddlStreet.Items.Clear(); } }