public ActionResult Edit([Bind(Include = "Id,Naam,Postcode,Huisnummer,EMail,BoekingID")] Gast gast)
{
List <int> boekingid = new List <int>();
foreach (var b in db.GetAllBoekingen())
{
boekingid.Add(b.Id);
}
//validate new boekingID
if (!boekingid.Contains(gast.BoekingID))
{
return(RedirectToAction("Edit", "Gasten", new { id = gast.Id, valid = false }));
}
//validate gast
if (ModelState.IsValid)
{
db.EditGast(gast);
return(RedirectToAction("Index"));
}
return(View(gast));
}