public void addKlass(Klass obj)
{
using (Notice_boardEntities2 db = new Notice_boardEntities2())
{
db.Klasses.Add(obj);
db.SaveChanges();
}
}
public void deleteKlass(int id)
{
using (Notice_boardEntities2 db = new Notice_boardEntities2())
{
var q=db.Klasses.SingleOrDefault(x=>x.Id == id);
db.Klasses.Remove(q);
db.SaveChanges();
}
}
public void editKlass(Klass obj)
{
using (Notice_boardEntities2 db = new Notice_boardEntities2())
{
obj.Name = obj.Name;
obj.Degree = obj.Degree;
obj.Date = DateTime.Today;
db.SaveChanges();
}
}