// Get rows from result set by executing query
public override IEnumerable <DataRow> GetRows()
{
_database.OpenStatement();
_isactive = true;
_database.ExecuteQueryMulti(GetQuery());
while (_database.HasData)
{
var values = new TypedValue[Degree];
_database.GetData(Heading, values);
yield return(DataRow.Create(Heading, values));
_database.Fetch();
}
_isactive = false;
_database.CloseStatement();
}