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  • ASP.NET MVC控制器里捕获视图的错误验证信息(ErrorMessage)

    ViewModel类:

        /// <summary>
        /// 评论用验证视图
        /// </summary>
        public partial class VCreateShopComment
        {
            [Required(AllowEmptyStrings = false, ErrorMessage = "旺旺是必须的")]
            public string WW { get; set; }
    
            [Required(AllowEmptyStrings = false, ErrorMessage = "必须评论")]
            [StringLength(200, ErrorMessage = "评论内容不能超过{0}字")]
            public string CommentText { get; set; }
    
    
    
            [Range(1, 5, ErrorMessage = "评分要在{1}到{2}之间")]
            public short Score { get; set; }
    
    
            //[Range(0, int.MaxValue, ErrorMessage = "您的账户无效")]
            public int ID{ get; set; }
    
        }
    

    控制器

    [HttpPost]
    public ActionResult Add(VCreateShopComment v)
            {
    
       if (ModelState.IsValid)
                {
                  //做爱做的事
                }
                StringBuilder sb = new StringBuilder();
                var errors = ModelState.Values;
                foreach (var item in errors)
                {
                    foreach (var item2 in item.Errors)
                    {
              if (!item2.ErrorMessage.IsNullOrWhiteSpace())
                       {
                           sb.AppendLine(item2.ErrorMessage + "<br />");
                       }
    } } return Content(sb.ToString()); }

    错误的输出用2次遍历就行了,前提是,对于每个验证特性ErrorMessage 是要有的

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  • 原文地址:https://www.cnblogs.com/zeusro/p/4169186.html
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