GBRSWN/CZFW.Framework/Attributes/GreaterThanZeroAttribute.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;

namespace CZFW.Framework.Attributes
{
    public class GreaterThanZeroAttribute : ValidationAttribute
    {
        public override bool IsValid(object value)
        {
            int? x = value as int?;
            if (x == null) return false;
            if (x <= 0) return false;
            return true;
        }
    }
}