gistfile1.cs

string[] ids = this.Parameters["OrderByRank"].Split(',');
for (int x = 0; x < ids.Length; x++)
{
    Event foundevent = ec.Find(delegate(Event e)
    {
        return e.ViewID == ids[x];
    });
    if (foundevent != null)
        foundevent.Order = -1000 + x; // start at -1000 because the default order is 0
}
ec.Sort("Order");