Asp.net MVC maxlength not working using data annotation - asp.net-mvc-3

Question

I am using asp.net mvc 4 i am using [maxlength(2)] in my model but it is not working on client side validation i am new to asp.net mvc .here is my code.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;
namespace RestrauntsMVC.Models
{
public class Restraunts
{
public int id { get; set; }
[Required]
public string name { get; set; }
[Required]
[MaxLength(2),MinLength(1)]
public int rating { get; set; }
[Required]
public string location { get; set; }
}
}

Answer 1

Answering myself to help future readers.I found out Maxlength and Minlength is for String not for integer.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;
namespace RestrauntsMVC.Models
{
public class Restraunts
{
public int id { get; set; }
[Required]
public string name { get; set; }
[Required]
[Range(1,10,ErrorMessage="Rating must between 1 to 10")]
public int rating { get; set; }
[Required]
public string location { get; set; }
}
}

Answer 2

Like other mention is only for string so how about writing your own ValidationAttribute ?
using System.ComponentModel.DataAnnotations;
internal class MaxDigitsAttribute : ValidationAttribute
{
private int Max,
Min;
public MaxDigitsAttribute(int max, int min = 0)
{
Max = max;
Min = min;
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
if (!IsValid(value))
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));
}
return null;
}
public override bool IsValid(object value)
{
// you could do any custom validation you like
if (value is int)
{
var stringValue = "" + (int)value;
var length = stringValue.Length;
if (length >= Min && length <= Max)
return true;
}
return false;
}
}