Integrating Validation with the Entity Framework: Listing 4.

Retrieving attributes for the entity class.

using System.ComponentModel.DataAnnotations;
using System.Reflection;

private void InvokeDataAnnotations(string Name, object value)


  object mdtObj = this.GetType().GetCustomAttributes(
    typeof(MetadataTypeAttribute), true).FirstOrDefault();
  if (mdtObj != null)


    MetadataTypeAttribute mdt = (MetadataTypeAttribute) mdtObj;

About the Author

Peter Vogel is a system architect and principal in PH&V Information Services. PH&V provides full-stack consulting from UX design through object modeling to database design. Peter tweets about his VSM columns with the hashtag #vogelarticles. His blog posts on user experience design can be found at

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