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问题描述
我的模型包含集合:
public ICollection<int> ChildAges { get; set; }这是可以添加到年龄的动态列表,这是通过JQuery的所有控制。
This is a dynamic list of ages that can be added to, this is all controlled via JQuery.
给我
<select name="ChildAges">...</select> <select name="ChildAges">...</select> <select name="ChildAges">...</select> etc...如果我添加标准要求属性,如果集合中的任何一个值设置验证返回true。
If I add the standard Required attribute the validation returns true if any one value in the collection is set.
我如何可以验证所有的 ChildAges 的形式设置?
How can I validate that all ChildAges in the form are set?
推荐答案我创建了一个新的自定义 IClientValidatable 属性:
I created a new custom IClientValidatable attribute:
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = true)] public class MultipleRequiredValuesAttribute : RequiredAttribute, IClientValidatable { #region IClientValidatable Members public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context) { var clientValidationRule = new ModelClientValidationRule() { ErrorMessage = base.ErrorMessage, ValidationType = "multiplerequiredvalues" }; return new[] { clientValidationRule }; } #endregion }和应用这对我的模型:
[DisplayName("Ages(s)")] [MultipleRequiredValues(ErrorMessage = "You must provide ages for all children in all rooms")] public ICollection<int> ChildAges { get; set; }我可以再添加JQuery的一面:
I can then add the JQuery side:
(function ($) { $.validator.addMethod('multiplerequiredvalues', function (value, element) { if ($(element).is(':visible')) { var returnVal = true; var name = $(element).attr('name'); var elements; if ($(element).is('input')) { elements= $('input[name='+name+']'); } else { elements= $('select[name='+name+']'); } elements.each(function() { if ($(this).is(':visible')) { returnVal = $(this).val() != "" && $(this).val() != null; } }); return returnVal; } else { return true; } }); $.validator.unobtrusive.adapters.addBool("multiplerequiredvalues"); } (jQuery));注意如果该元素是不可见的,这也将返回true
Note this also returns true if the element isn't visible
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收集的不显眼的审定
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