public static void Delete(DiaDiem diadiem)
{
using (var db = new tourEntities())
{
db.Entry(diadiem).State = EntityState.Deleted;
db.SaveChanges();
}
}
public static void Insert(DiaDiem diadiem)
{
using (var db = new tourEntities())
{
db.DiaDiems.Add(diadiem);
db.SaveChanges();
}
}
public static Boolean KiemtraXoa(DiaDiem diadiem)
{
using (var db = new tourEntities())
{
var result = from c in db.CTTours where c.MaDiaDiem == diadiem.Id select c;
int sl = result.ToList <CTTour>().Count;
if (sl == 0)
{
return(true);
}
return(false);
}
}