MPortalContext db=new MPortalContext();
foreach (var item in _ModulID)
{
var validation = db.WebSite_PermissionDB.Where(x => x.UserID == _UserID && x.ModuleID == item).FirstOrDefault();
db.WebSite_PermissionDB.Remove(validation);
db.SaveChanges();
}
return true;
I forget use .FirstOrDefault();
now correct. Thank friends.