相关疑难解决方法(0)

ModelState 会抛出错误，因为可空字段为空。

我有一个模型：

public class PersonModel
{
    public int? ID { get; set; }

    [Required]
    [StringLength(256)]
    public string Title { get; set; }

    [Required]
    [StringLength(256)]
    public string Name { get; set; }

    [Required]
    [StringLength(256)]
    public string Lastname { get; set; }

    [StringLength(1024)]
    public string Description { get; set; }

    public int? OrganizationID { get; set; }

    public string Organization { get; set; }

}

控制器：

var errors = ModelState.Where (c => c.Value.Errors.Count > 0).Select (c => c.Value).ToList ();

if (!errors.Any …