private void listUserIds_SelectionChanged(object sender, SelectionChangedEventArgs e) { FriendGrid.Items.Clear(); FavoriteGrid.Items.Clear(); dataGrid.Items.Clear(); StarsText.Clear(); FansText.Clear(); NameText.Clear(); YelSinceText.Clear(); LatText.Clear(); if (listUserIds.SelectedIndex > -1) { string info = "select firstname, avgstars, joindate, lat, long from users where userid= '" + listUserIds.SelectedItem.ToString() + "';"; } }