/// <summary>
/// Fetch the homework from DB
/// </summary>
/// <param name="homeworkId"></param>
/// <returns>Homework homework</returns>
public static Homework GetHomework(int homeworkId)
{
var db = Database.Open("HarryPotter");
var row = db.QuerySingle("SELECT * FROM homework WHERE homework_id = @0", homeworkId);
db.Dispose();
Homework homework = new Homework();
if (row != null)
{
int classId = (int)row["class_id"];
DateTime deadline = (DateTime)row["deadline"];
homework = new Homework(homeworkId, row["homework_description"], classId, deadline);
}
return(homework);
}
/// <summary>
/// Создание экземпляра класса из иерархии Homework и вызов метода
/// </summary>
private void Execution()
{
Homework homework = (Homework)Activator.CreateInstance((Type)homeworks_comboBox.SelectedItem);
homework.ExecuteHomework(_method, _parameters);
}
