protected void insertFromTrend(String sqlIns, Trend t, int nParms)
{
OleDbCommand cmd = new OleDbCommand(sqlIns);
cmd.Connection = cn;
cmd.Parameters.AddWithValue("Moneda", t.Moneda);
cmd.Parameters.AddWithValue("Fecha", t.Fecha);
for (int idx = 0; idx < nParms; idx++)
{
cmd.Parameters.AddWithValue("P" + idx, t.getValue(idx));
}
cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
}