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我有一个ViewModel将Date,Hour和minute保存为一个字符串,每个都有一个用于输入值的文本框, want是一个自定义的验证器,可以确保如果一个值被输入到其中一个字段中,那么其余的都必须填写,否则它们可能是空的,它的全部或没有!如何使用2个参数(Asp.net mvc 3)获取我的自定义验证工作(Asp.net mvc 3)
我在这里做了一个小测试项目,但它没有按照它应该的方式工作,我遵循http://www.devtrends.co.uk/blog/the-complete-guide-to-validation-in-asp.net-mvc-3-part-2,但我认为我的问题是客户端,因为我无法在Params上看到任何值,如果我在chrome中执行断点。
的观点:
@model validationproject.Models.DateTimeViewModel
@{
ViewBag.Title = "ViewPage1";
}
<script src="../../Scripts/jquery-1.5.1.min.js" type="text/javascript"></script>
<script src="../../Scripts/jquery.unobtrusive-ajax.min.js" type="text/javascript"></script>
<script src="../../Scripts/jquery.validate.min.js" type="text/javascript"></script>
<script src="../../Scripts/jquery.validate.unobtrusive.min.js" type="text/javascript"></script>
<script src="../../Scripts/Validators.js" type="text/javascript"></script>
<h2>ViewPage1</h2>
@using (Ajax.BeginForm("CreateDateTime", "Home", new {}, new AjaxOptions {HttpMethod = "Post"}))
{
<span>
@Html.TextBoxFor(model => model.Date, new {@Id = "date"})
@Html.TextBoxFor(model => model.Hour, new {@Id = "hour"})
@Html.TextBoxFor(model => model.Minute, new {@Id = "minute"})
@Html.ValidationMessageFor(model => model.Date)
@Html.ValidationMessageFor(model => model.Hour)
@Html.ValidationMessageFor(model => model.Minute)
</span>
}
JQuery的验证文件
$.validator.unobtrusive.adapters.add(
'fulldaterequired',
['part1', 'part2'],
function (options) {
options.rules['fulldaterequiredcheck'] = options.params;
options.messages['fulldaterequiredcheck'] = options.message;
}
);
$.validator.addMethod(
'fulldaterequiredcheck',
function (value, element, params) {
if (!value && (params['otherproperty1'] || params['otherproperty2'])) {
return false;
}
return true;
}
);
我的视图模型
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;
namespace validationproject.Models
{
public class DateTimeViewModel
{
[Display(Name = "Date")]
[FullDateRequired(("Hour"), ("Minute"))]
public string Date { get; set; }
[Display(Name = "Hour")]
[FullDateRequired(("Minute"), ("Date"))]
public string Hour { get; set; }
[Display(Name = "Minute")]
[FullDateRequired(("Hour"), ("Date"))]
public string Minute { get; set; }
}
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
public sealed class FullDateRequired : ValidationAttribute, IClientValidatable
{
private const string DefaultErrorMessage = "{0} is required.";
public string OtherProperty1 { get; private set; }
public string OtherProperty2 { get; private set; }
public FullDateRequired(string otherProperty1, string otherProperty2)
: base(DefaultErrorMessage)
{
OtherProperty1 = otherProperty1;
OtherProperty2 = otherProperty2;
}
public override string FormatErrorMessage(string name)
{
return string.Format(ErrorMessageString, name);
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var otherProperty1 = validationContext.ObjectInstance.GetType().GetProperty(OtherProperty1);
var otherProperty2 = validationContext.ObjectInstance.GetType().GetProperty(OtherProperty2);
var otherProperty1Value = string.IsNullOrEmpty((string)otherProperty1.GetValue(validationContext.ObjectInstance, null));
var otherProperty2Value = string.IsNullOrEmpty((string)otherProperty2.GetValue(validationContext.ObjectInstance, null));
if (string.IsNullOrEmpty((string)value) && (!otherProperty1Value || !otherProperty2Value))
{
return new ValidationResult(FormatErrorMessage(validationContext.DisplayName));
}
return ValidationResult.Success;
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
var clientValidationRule = new ModelClientValidationRule()
{
ErrorMessage = FormatErrorMessage(metadata.GetDisplayName()),
ValidationType = "fulldaterequired"
};
clientValidationRule.ValidationParameters.Add("otherproperty1", OtherProperty1);
clientValidationRule.ValidationParameters.Add("otherproperty2", OtherProperty2);
return new[] { clientValidationRule };
}
}
}
现在已经改变了一些代码,但如果我在任何类型我的3个文本框中的一个向类添加了“有效”类,但没有添加到应该失败的类中?所以那些没有文本的人(其他文本域有文本应该失败) – Mech0z
编辑答案,改变fulldaterequiredcheck的逻辑,现在应该工作 –
再次编辑,犯了一个错误。 –