private T GetFirst <T>(SqlCommand command, SqlRowParser <T> parser)
{
using (var reader = command.ExecuteReader())
{
return(reader.Read() ? parser.Parse(reader, 0) : default(T));
}
}
public Enrollment Parse(SqlDataReader reader, int currentIndex) =>
new Enrollment
{
IdEnrollment = int.Parse(reader["IdEnrollment"].ToString()),
Semester = int.Parse(reader["Semester"].ToString()),
StartDate = DateTime.Parse(reader["StartDate"].ToString()),
IdStudyNavigation = _studiesSqlRowParser.Parse(reader, 0)
};
private IEnumerable <T> GetAll <T>(SqlCommand command, SqlRowParser <T> parser)
{
using (var reader = command.ExecuteReader())
{
var result = new List <T>();
while (reader.Read())
{
var item = parser.Parse(reader, result.Count);
result.Add(item);
}
return(result);
}
}