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        如何自定义 text-danger 给出的验证错误消息?

        时间:2023-07-11
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                1. 本文介绍了如何自定义 text-danger 给出的验证错误消息?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我的 MVC .NET Core 项目的一个页面上有一个下拉列表,我想为其自定义默认验证文本.

                  I have a dropdown list on one of my pages in my MVC .NET Core project that I want to customise the default validation text for.

                  <select asp-for="ProductID" class="form-control" asp-items="ViewBag.ProductID">
                      <option value="">--Select Product --</option>
                  </select>
                  <span asp-validation-for="ProductID" class="text-danger" />
                  

                  给出的标准验证错误消息是产品 ID 字段是必需的".我想把它改成别的东西.

                  The standard validation error message given is "The Product ID field is required". I want to change this to something else.

                  我试过用这个

                   <span asp-validation-for="ProductID" class="text-danger">Please enter a product</span>
                  

                  但是当页面加载而不是单击按钮时会显示错误消息

                  But the error message displays when the page loads instead of when the button is clicked

                  自定义验证文本的适当方法是什么?

                  What is the appropriate way to customise validation text?

                  推荐答案

                  一般是在你想要返回Controller的ViewModel中完成:

                  That's normally done in the ViewModel you want to return to the Controller:

                  public class SomeViewModel
                  {
                      [Required(ErrorMessage = "Your elegant error message goes here")]
                      public int ProductId { get; set; }
                  }
                  

                  这篇关于如何自定义 text-danger 给出的验证错误消息?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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