public SqlFuConnection(DbConnection cnx,DbEngine engine)
{
cnx.MustNotBeNull();
_conex = cnx;
_provider = ProviderFactory.GetProvider(engine);
_conex.Open();
}
public SqlFuConnection(DbConnection cnx,IDbProvider provider)
{
cnx.MustNotBeNull();
provider.MustNotBeNull();
_conex = cnx;
_provider = provider;
}