static public BindingList<DdClientExt> GetClients()
{
BindingList<DdClientExt> list = new BindingList<DdClientExt>();
DaClient da = new DaClient(DataStore.DbConnection);
DnClient dn = da.Fill();
foreach (DdClient dd in dn) list.Add(new DdClientExt(dd));
return list;
}