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POAttributes of properties in MetadataType are ignored by EntLib Validation
 

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  1. POAttributes of properties in MetadataType are ignored by EntLib Validation
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    <p>It's an EntLib-Validator-issue again. I'm playing with EntLib 5.0 in C# and .Net 4.0 on XP pro.</p> <p>I have some business objects (partial classes) generated by T4 templates. So I decided to put their validation attributes in buddy-classes by using <code>MetadataTypeAttribute</code> as definitely recommended by the documentation of entLib 5.0 (<a href="http://msdn.microsoft.com/en-us/library/ff664465%28PandP.50%29.aspx" rel="nofollow">msdn</a>). But the <code>Validator</code> object I get from the ValidatorFactory doesn't know about the validation attributes, defined in the metadata-class.</p> <p>The business object is defined like this:</p> <pre><code>[MetadataType(typeof(PatientMetadata))] public partial class Patient { private string _Name; private int _DiagnosisCount; public int DiagnosisCount { get { return _DiagnosisCount; } set { if (value != _DiagnosisCount) { _DiagnosisCount = value; } } } public string Name { get { return _Name; } set { if (value != _Name) { _Name = value; } } } } </code></pre> <p>And the metadata class like this, according to documentation:</p> <pre><code>public class PatientMetadata { [RangeValidator(4)] public int DiagnosisCount { get; set; } [StringLengthValidator(64, ErrorMessage = "Name must not exceed 64 chars.")] public string Name { get; set; } } </code></pre> <p>If I know try to do validation this way:</p> <pre><code> var factory = ValidationFactory.DefaultCompositeValidatorFactory; var validator = factory.CreateValidator&lt;Patient&gt;(); </code></pre> <p>...then watching into <code>validator</code> (during debugging) already says, that it's just an <code>AndCompositeValidator</code> without any children validators. Again, if I put the validation attributes right in the <code>Patient</code> class, it works perfectly.</p> <p>By now, I have no real idea, what I'm missing here, since I think doing everything according to the docs.</p> <p>Thanks in advance to you guys!</p>
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