public async Task <BooksModel> UpdateBook(BooksModel bookModel)
{
_context.Attach(bookModel).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
return(bookModel);
}
catch (DbUpdateConcurrencyException)
{
if (!BookModelExists(bookModel.ID))
{
return(bookModel);
}
else
{
throw;
}
}
}