public static IEnumerable <SelectListItem> GetFactionItems(this HtmlHelper html, int factionID, Expression <Func <Faction, bool> > filter = null)
{
var ret = new ZkDataContext().Factions.AsQueryable().Where(x => !x.IsDeleted);
if (filter != null)
{
ret = ret.Where(filter);
}
return(ret.Select(x => new SelectListItem {
Text = x.Name, Value = x.FactionID.ToString(), Selected = x.FactionID == factionID
}));
}