private void UpdateSelectedItem(string sector) { switch (sector) { case "north": case "south": this.SelectedItem = this.Data.Where(priceInfo => priceInfo.Sector == "North / South").FirstOrDefault(); break; case "east": case "west": this.SelectedItem = this.Data.Where(priceInfo => priceInfo.Sector == "East / West").FirstOrDefault(); break; case "SE angle": case "NW angle": this.SelectedItem = this.Data.Where(priceInfo => priceInfo.Sector == "NW / SE").FirstOrDefault(); break; case "SW angle": case "NE angle": this.SelectedItem = this.Data.Where(priceInfo => priceInfo.Sector == "NE / SW").FirstOrDefault(); break; default: this.SelectedItem = null; break; } }