小编Min*_*nsk的帖子

我上课了

public class Item
{
    public int ItemId { get; set; }

    [Required(ErrorMessage = "Category is required")]
    [Range(1, int.MaxValue, ErrorMessage = "Category is required")]
    public int CategoryId { get; set; }

    [Display(Name = "Current password")]
    [Required(ErrorMessage = "Name is required")]
    [StringLength(160)]
    public string Name { get; set; }

    [Required(ErrorMessage = "Price is required")]
    [Range(0.01, 100.00,
        ErrorMessage = "Price must be between 0.01 and 100.00")]
    public decimal Price { get; set; }

    public virtual Category Category { get; set; }
} …