MetaDataType with Entitysets in WPF Programming Software Development by GeekByChoiCe Hey guys, I am desperated right now. Im my application i want to export some data from an entityset to excel. So far so good. But i want to exclude some properties. So i thought creating a custom attribute for those properties is might a good idea to make things more general. Anyway, for some reason the Metadata get not applied at all. I've … form validation using jQuery in MVC Programming Web Development by sakhi kul …; using System.ComponentModel.DataAnnotations; using System.ComponentModel; namespace Formvalidation.Models { [MetadataType(typeof(employeeMetadata))] public partial class employee { } public class employeeMetadata { [Required…