获取属性值

public class Tag : ModelBase
    {
        public Tag() 
        {
            SortID = 99;
        }
        /// <summary>
        /// 产品标签名
        /// </summary>
        [Required(ErrorMessage = "标签名不能为空")]
        public string Title { get; set; }
        /// <summary>
        /// 该标签是否显示
        /// </summary>
        public bool IsShow { get; set; }
        /// <summary>
        /// 排序，初始99
        /// </summary>
        public int SortID { get; set; }

        public virtual ICollection<ProductTag> ProductTags { get; set; }
    }