[英]Write message to validation summary
I have a Razor Pages application (ASP.NET Core).我有一个 Razor Pages 应用程序(ASP.NET Core)。
Is there a way to write a message to the validation summary from JavaScript?有没有办法从 JavaScript 向验证摘要写入消息? And have it appear formatted (red, etc.)?
它是否已格式化(红色等)?
The validation summary tag helper adds a CSS class to the div where the validation summary is rendered: validation-summary-errors
.验证摘要标签助手向呈现验证摘要的 div 添加一个 CSS 类:
validation-summary-errors
。 You can use that (or any other selector you add to the div) to get a reference to the div in JavaScript:您可以使用它(或添加到 div 的任何其他选择器)在 JavaScript 中获取对 div 的引用:
var summary = document.querySelector('.validation-summary-errors');
summary.innerHTML = "<p style='color:red;'>Oops!</p>";
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