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POGet full name of Complex Type from ModelClientValidationRequiredIfRule method in custom ValidationAttribute
 

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  1. POGet full name of Complex Type from ModelClientValidationRequiredIfRule method in custom ValidationAttribute
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    <p>I am using the example at <strong><a href="http://www.devtrends.co.uk/blog/the-complete-guide-to-validation-in-asp.net-mvc-3-part-2" rel="nofollow">The Complete Guide To Validation In ASP.NET MVC 3</a></strong> to create a <strong>RequiredIf</strong> validation attribute (it's about 1/3 down the page under the heading of "<strong>A more complex custom validator</strong>"). It all works fine with the exception of one scenario, and that is if I have the need to validate against a complex type. For example, I have the following model:</p> <pre><code>public class MemberDetailModel { public int MemberId { get; set; } // Other model properties here public MemberAddressModel HomeAddress { get; set; } public MemberAddressModel WorkAddress { get; set; } } public class MemberAddressModel { public bool DontUse { get; set; } // Other model properties here [RequiredIf("DontUse", Comparison.IsEqualTo, false)] public string StreetAddress1 { get; set; } } </code></pre> <p>The problem is that when the attribute validation for the StreetAddress property is rendered, it get's decorated with the attribute of <code>data-val-requiredif-other="DontUse"</code>. Unfortunately, since the address is a sub-type of the main model, it needs to be decorated with a name of <strong>HomeAddress_DontUse</strong> and not just <strong>DontUse</strong>.</p> <p>Strangely enough, the validation works fine for server-side validation, but client-side unobtrusive validation fails with an JS error because JS can't find the object with a name of just "DontUse".</p> <p>Therefore, I need to find a way to change the ModelClientValidationRequiredIfRule method to know that the property it is validating is a sub-type of a parent type, and if so, prepend the <code>ParentType_</code> to the "otherProperty" field (e.g. otherProperty becomes <code>HomeAddress_DontUse</code>. </p> <p>I have tried passing in <code>typeof(MemberAddressModel)</code> as a parameter of the attribute, but even when debugging the attribute creation, I can't seem to find any reference to the parent type of HomeAddress or WorkAddress from that type. </p>
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