我有一个表格,其中有几个输入使用Html.TextBoxFor
,每个输入都有一个ValidationMessageFor
,它从ViewModel
属性获取错误消息。在这个例子中,我们会假装这里只有一个输入:MVC4表格输入验证 - 自定义错误范围
@Html.TextBoxFor(x => x.Code)
@Html.ValidationMessageFor(x => x.Code)
当有一个模型误差,验证显示这是一对夫妇的跨度内的错误信息,如下所示:
<input type="text" value="" name="Code" id="Code" data-val-required="Personalised code is required" data-val="true" class="input-validation-error">
<span data-valmsg-replace="true" data-valmsg-for="Code" class="field-validation-error">
<span for="Code" generated="true" class="">Personalised code is required</span>
</span>
如何我是否自定义此错误消息?
例如,将外跨度更改为div,并同时给出div和span跨度类别?
<div class="myOuterSpan" data-valmsg-replace="true" data-valmsg-for="Code" class="field-validation-error">
<span class="myInnerSpan" for="Code" generated="true" class="">Personalised code is required</span>
</div>
或者只是有一个跨度?
<span class="errorWrapper" for="Code" generated="true">Code is required</span>
或者将整个包裹在一个div中?
<div class="myOuterDiv">
<span data-valmsg-replace="true" data-valmsg-for="Code" class="field-validation-error">
<span for="Code" generated="true" class="">Personalised code is required</span>
</span>
</div>
你的想法...
我根据我对Darin的答案的解决方案,创造了CustomValidationMessage,不是customValidationMessageFOR因为我最初打算在创建解决方案。
控制器
ModelState.AddModelError("Code", "Invalid Code");
VIEW
@Html.CustomValidationMessage("Code")
延长
public static class Extensions
{
public static MvcHtmlString CustomValidationMessage(this HtmlHelper htmlHelper, string modelName)
{
var modelState = htmlHelper.ViewData.ModelState[modelName];
var modelErrors = modelState == null ? null : modelState.Errors;
var modelError = ((modelErrors == null) || (modelErrors.Count == 0))
? null
: modelErrors.FirstOrDefault(e => !string.IsNullOrEmpty(e.ErrorMessage)) ?? modelErrors[0];
if (modelError != null)
{
return MvcHtmlString.Create("<span class='validation_wrapper customValidation'><span>" + modelError.ErrorMessage +"</span></span>");
}
return new MvcHtmlString(string.Empty);
}
}
你看到[这](http://stackoverflow.com/questions/5410665/custom-validationformessage-helper-removing -CSS元件/ 5412346#5412346)? – 2013-02-27 12:34:18