private void DataCred(string cred) { DataTable saldo = new DataTable(); saldo = cre.saldos(cred); decimal sald = 0, monto = 0, anti = 0; if (saldo.Rows[0][0] != DBNull.Value) { sald = decimal.Parse(saldo.Rows[0][0].ToString()); } if (saldo.Rows[0][1] != DBNull.Value) { anti = decimal.Parse(saldo.Rows[0][1].ToString()); } if (saldo.Rows[0][2] != DBNull.Value) { monto = decimal.Parse(saldo.Rows[0][2].ToString()); } TxtTot.Text = monto.ToString(); TxtSaldo.Text = Convert.ToString(monto - sald); pagoslst(cred); }