public ActionResult Create([Bind(Include = "Id,Stars,HotelName,LocationsId")] Hotel hotel)
{
if (ModelState.IsValid)
{
db.Hotels.Add(hotel);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.LocationsId = new SelectList(db.Locations, "Id", "Country", hotel.LocationId);
return(View(hotel));
}
public void Save()
{
try
{
_context.SaveChanges();
}
catch (DbEntityValidationException ex)
{
// Retrieve the error messages as a list of strings.
var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
// Combine the original exception message with the new one.
var exceptionMessage = string.Concat(ex.Message, " The validation errors are: ", fullErrorMessage);
// Throw a new DbEntityValidationException with the improved exception message.
throw new DbEntityValidationException(exceptionMessage, ex.EntityValidationErrors);
}
}