private void LoadObjectTypes()
    {
        drpObjectType.Items.Clear();
        drpObjectType.Items.Add(new ListItem(GetString("general.selectall"), ""));

        // Used object types
        List <string> objTypes = MetaFileInfoProvider.GetMetaFilesObjectTypes(siteId);

        ListItem[] items = new ListItem[objTypes.Count];
        int        i     = 0;

        foreach (string type in objTypes)
        {
            items[i++] = new ListItem(GetString("ObjectTasks." + type.Replace(".", "_").Replace("#", "_")), type);
        }
        Array.Sort(items, CompareObjectType);
        drpObjectType.Items.AddRange(items);
    }