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POcheck collection length - unobtrusive validation - asp.net mvc 3, 4
 

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  1. POcheck collection length - unobtrusive validation - asp.net mvc 3, 4
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    <p>I've got <a href="https://github.com/ypapax/MyCollectionCountValidatorClient" rel="nofollow">custom ValidationAttribute with implemented IClientValidatable</a>. It works great using(Html.BeginForm()) but not working using(Ajax.BeginForm()).</p> <p>Client code:</p> <pre><code> $(function() { jQuery.validator.unobtrusive.adapters.addBool('collectionLength'); }); </code></pre> <p>Server code:</p> <pre><code>/// &lt;summary&gt; /// Require a minimum length, and optionally a maximum length, for any IEnumerable /// &lt;/summary&gt; sealed public class CollectionMinimumLengthValidationAttribute : ValidationAttribute, IClientValidatable { const string errorMessage = "{0} must contain at least {1} item(s)."; const string errorMessageWithMax = "{0} must contain between {1} and {2} item(s)."; int minLength; int? maxLength; public CollectionMinimumLengthValidationAttribute(int min) { minLength = min; maxLength = null; } public CollectionMinimumLengthValidationAttribute(int min, int max) { minLength = min; maxLength = max; } //Override default FormatErrorMessage Method public override string FormatErrorMessage(string name) { if (maxLength != null) { return string.Format(errorMessageWithMax, name, minLength, maxLength.Value); } else { return string.Format(errorMessage, name, minLength); } } public override bool IsValid(object value) { IEnumerable&lt;object&gt; list = value as IEnumerable&lt;object&gt;; if (list != null &amp;&amp; list.Count() &gt;= minLength &amp;&amp; (maxLength == null || list.Count() &lt;= maxLength)) { return true; } else { return false; } } public IEnumerable&lt;ModelClientValidationRule&gt; GetClientValidationRules(ModelMetadata metadata, ControllerContext context) { var rule = new ModelClientValidationRule { ValidationType = " CollectionMinimumLengthValidation", ErrorMessage = FormatErrorMessage("Error") }; rule.ValidationParameters.Add("min", minLength); rule.ValidationParameters.Add("max", maxLength); yield return rule; } } </code></pre> <p>CollectionMinimumLengthValidation.js file:</p> <pre><code>jQuery.validator.addMethod("CollectionMinimumLengthValidation", function (value, element, param) { debugger; return false; }); </code></pre>
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    1. PTQuestion
    1. USMaxim Yefremov
    1. USMaxim Yefremov
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. VO
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      1. POcheck collection length - unobtrusive validation - asp.net mvc 3, 4
      1. This table or related slice is empty.
      1. VTUpMod
    1. COCan you post your Javascript code where you have define the collectionLength client side validator?
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      1. POcheck collection length - unobtrusive validation - asp.net mvc 3, 4
      1. USnemesv
    2. CO@nemesv add js. But seemingly it never called.
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      1. POcheck collection length - unobtrusive validation - asp.net mvc 3, 4
      1. USMaxim Yefremov
 

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