public OdbcDataReader executeSelect(string sql)
{
if (_conexao == null)
{
_conexao = new ConnectDB2(_dsn, _usr, _pwd);
}
return(_conexao.executar(sql, TipoQuery.Reader) as OdbcDataReader);
}
public int executeNonQuery(string sql)
{
if (_conexao == null)
{
_conexao = new ConnectDB2(_dsn, _usr, _pwd);
}
return((int)_conexao.executar(sql, TipoQuery.NonQuery));
}
public object executeScalar(string sql)
{
if (_conexao == null)
{
_conexao = new ConnectDB2(_dsn, _usr, _pwd);
}
return(_conexao.executar(sql, TipoQuery.Scalar));
}