protected void Page_Load(object sender, EventArgs e)
{
List<Class> classesList = new List<Class>();
_helper = new SqlHelper(StudentsDatabase.GetInstance());
classesList = _helper.GetClasses();
foreach(Class c in classesList){
ddlClasses.Items.Add(c.ToString());
}
}
public StudentsDataResponder(SqlHelper helper)
{
this._helper = helper;
}