void LoadCity() { ddlCity.Items.Clear(); objService = new ServeAtDoorstepService(); DataTable dt1 = objService.SelectAllCity(); ListItem listItem = new ListItem(); listItem.Text = "<Select City>"; listItem.Value = "0"; ddlCity.Items.Add(listItem); for (int i = 0; i < dt1.Rows.Count; i++) { listItem = new ListItem(); listItem.Text = dt1.Rows[i]["CityName"].ToString(); listItem.Value = dt1.Rows[i]["CityId"].ToString(); ddlCity.Items.Add(listItem); } }