MVC的Model类中可以添加的验证标记有什么？

"Model类中可以添加的验证标记：

1. 必填字段

[Required]

public string FirstName { get; set; }

1. 字段长度

至多n位：

[StringLength(160)]

public string FirstName { get; set; }

要求至少n位：

[StringLength(160, MinimumLength=3)]

public string FirstName { get; set; }

1. 正则验证

[RegularExpression(@”[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+.[A-Za-z]{2,4}”)]

public string Email { get; set; }

1. 范围

[Range(35,44)]

public int Age { get; set; }

小数的情况：

[Range(typeof(decimal), “0.00”, “49.99”)]

public decimal Price { get; set; }

1. 服务端参与的验证

[Remote(“CheckUserName”, “Account”)]

public string UserName { get; set; }

然后在AccountController里指定一个CheckUserName方法：

public JsonResult CheckUserName(stringusername)

{

var result = Membership.FindUsersByName(username).Count == 0;

return Json(result, JsonRequestBehavior.AllowGet);

}

1. 比较

[RegularExpression(@”[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+.[A-Za-z]{2,4}”)]

public string Email { get; set; }

[Compare(“Email”)]

public string EmailConfirm { get; set; }

1. 自定义错误消息

正则：

[RegularExpression(@”[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+.[A-Za-z]{2,4}”,

               ErrorMessage=”Email doesn’tlook like a valid email address.”)]

public string Email { get; set; }

普通文本：

[Required(ErrorMessage=”Your last name isrequired”)]

[StringLength(160, ErrorMessage=”Your lastname is too long”)]

public string LastName { get; set; }

占位符：

[Required(ErrorMessage=”Your {0} isrequired.”)]

[StringLength(160, ErrorMessage=”{0} is toolong.”)]

public string LastName { get; set; }

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