private void PopulateWalletsComboBox()
        {
            var fromres   = new List <string>();
            var tores     = new List <string>();
            var filterRes = new List <string>();

            filterRes.Add(this.none);
            var rdr = DB_API.SelectAccountWallets(account_id);

            while (rdr.Read())
            {
                fromres.Add(rdr[DB_API.WalletEnt.name.ToString()].ToString());
                tores.Add(rdr[DB_API.WalletEnt.name.ToString()].ToString());
                filterRes.Add(rdr[DB_API.WalletEnt.name.ToString()].ToString());
            }
            wallet_comboBox.DataSource       = fromres;
            wallet2_comboBox.DataSource      = tores;
            filterwallet_comboBox.DataSource = filterRes;
        }