public async Task <bool> UpdateAsync(int id, IBooks books)
{
try
{
IBooks book = await _database.Books.Where(x => x.Id == id).SingleOrDefaultAsync();
books.Id = book.Id;
books.ISBN = book.ISBN;
books.AuthorId = book.AuthorId;
_database.Entry(book).CurrentValues.SetValues(books);
var updated = await _database.SaveChangesAsync();
return(updated > 0);
}
catch (DbEntityValidationException dbex)
{
foreach (var validationErrors in dbex.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return(false);
}
public async Task <bool> UpdateAsync(int id, Author author)
{
var authorId = GetAuthorByIdAsync(id);
_database.Entry(authorId).CurrentValues.SetValues(author);
var updated = await _database.SaveChangesAsync();
return(updated > 0);
}