[英]The custom client-side validation(attribute) doesn't trigger in MVC 4
我編寫了用於驗證傳入數據的代碼。
所有的內置驗證 (RequiredAttribute等)都可以使用 ...
但是我自己寫的DateRangeAttribute 不會在post上觸發錯誤 ,並且post到達我的控制器:(。
被重寫的IsValid方法發送回good(false)值,並且在服務器端,控制器可以正確看到Invalid ModelState,而在客戶端則看不到。
數據驗證屬性在瀏覽器上呈現為HTML:
我想避免發布,直到所有數據都真正有效為止。
DateRangeAttribute
public class DateRangeAttribute : RangeAttribute
{
public DateRangeAttribute (string minimumYear)
:base(typeof(DateTime), minimumYear, DateTime.Now.Year.ToString())
{
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var inputYear = value as int?;
var result = (inputYear != null && inputYear >= 1886 && inputYear <= DateTime.Now.Year);
return result ? ValidationResult.Success : new ValidationResult(GetErrorMessage());
}
private string GetErrorMessage()
{
return "The year must be greater than 1886 and lower than the actual year.";
}
public override string FormatErrorMessage(string name)
{
return string.Format(GetErrorMessage(), name);
}
}
Create.cshtml
<script src="@Url.Content("~/Scripts/jquery-1.8.2.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
<!-- ... -->
@using (Html.BeginForm("Create", "Car", FormMethod.Post, new { id = "CreateForm" }))
{
@Html.ValidationSummary(true)
<!-- ... -->
@Html.LabelFor(model => model.Year)
@Html.EditorFor(model => model.Year)
@Html.ValidationMessageFor(model => model.Year)
<!-- ... -->
}
Web.Config file:
<configuration>
<appSettings>
<!-- ... -->
<add key="ClientValidationEnabled" value="true" />
<add key="UnobtrusiveJavaScriptEnabled" value="true" />
</appSettings>
<!-- ... -->
</configuration>
您還必須通過IClientValidatable
提供自定義客戶端驗證實現。 因此,我建議您直接從ValidationAttribute繼承,因為無論如何您都必須更改幾乎所有內容
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.