我无法将数据植入我的Webapp中,也不知道出了什么问题。该应用程序运行良好,用户可以将数据添加到数据库中。我添加了saveChanges方法,但没有结果。我认为我正在向数据库发送空数据,但是我找不到问题。我的文件:DbContext public class BookDbContext: DbContext{ public BookDbContext(DbContextOptions options): base(options) { } public DbSet<Books> Books { get; set; }}种子书public static void Initialize(BookDbContext context) { context.Database.EnsureCreated(); if (context.Books.Any()) { return; } var books = new Books[] { new Books{Id=1, Title ="Kont of Mount Cristos", Description="About eghteen century", Author="Don Mon", Category=Category.aksion}, new Books{Id=2, Title="Introduction in C Sharp", Description="Learning computer programing", Author="Scott Allen", Category= Category.education}, new Books{Id=3, Title="The Castle", Description="Learning about history", Author="Ismail Kadare", Category= Category.drama}, new Books{Id=4, Title="Madam Bavary", Description="Love story", Author="Gi de Mopasan", Category= Category.romance} }; foreach (Books b in books) { context.Books.Add(b); } context.SaveChanges(); }书籍档案public enum Category{ aksion, drama, romance, education}public class Books{ public int Id { get; set; } [Required] public string Title { get; set; } [Required] [Display(Name = "Autor Name")] public string Author { get; set; } [Required] [MaxLength(80)] public string Description { get; set; } [Required] public Category Category { get; set; }}
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