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POComplex Data Validation using Data Annotations
 

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  1. POComplex Data Validation using Data Annotations
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    <p>I have the following class</p> <pre><code>public partial class Contact { public Contact() { } #region Primitive Properties public virtual int Id { get; set; } [Display(ResourceType = typeof(Common), Name = "Person_Name")] [Required(ErrorMessageResourceName = "Validation_Required", ErrorMessageResourceType = typeof(Common))] [StringLength(100, ErrorMessageResourceName = "Incorrect_Field_Length", ErrorMessageResourceType = typeof(Common))] public virtual string Name { get; set; } [Display(ResourceType = typeof(Common), Name = "Telephone_Number")] [DataType(DataType.PhoneNumber)] [StringLength(100, ErrorMessageResourceName = "Incorrect_Field_Length", ErrorMessageResourceType = typeof(Common))] [Required(ErrorMessageResourceName = "Validation_Required", ErrorMessageResourceType = typeof(Common))] public virtual string Telephone { get; set; } [Display(ResourceType = typeof(Common), Name = "EmailAddress")] [DataType(DataType.EmailAddress)] [StringLength(255, ErrorMessageResourceName = "Incorrect_Field_Length", ErrorMessageResourceType = typeof(Common))] [Required(ErrorMessageResourceName = "Validation_Required", ErrorMessageResourceType = typeof(Common))] public virtual string Email { get; set; } [Display(ResourceType = typeof(Common), Name = "ContactType")] public virtual ContactType ContactType { get; set; } public virtual Company Company { get; set; } #endregion } </code></pre> <p>The ContactType looks like this</p> <pre><code>public partial class ContactType { #region Primitive Properties public virtual int Id { get; set; } [Display(ResourceType = typeof(Common), Name = "ContactType_Name")] [StringLength(50, ErrorMessageResourceName = "Incorrect_Field_Length", ErrorMessageResourceType = typeof(Common))] [Required(ErrorMessageResourceName = "Validation_Required", ErrorMessageResourceType = typeof(Common))] public virtual string Name { get; set; } #endregion } </code></pre> <p>The problem I have is that when I edit the Contact object, ModelState.IsValid is always false. This is due to the Name within the ContactType being Null, it has the correct id. This is because the ContactType is selected by a dropdown selection. I don't want to remove the validation from ContactType as it is needed when adding new ContactType objects. Any idea how I can get around this issue?</p> <p>Please shout if I need to provide more information.</p> <p>Cheers</p>
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    1. USTanzy
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      1. POComplex Data Validation using Data Annotations
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    1. COCan you show us the markup for the drop down control that selects the ContractType?
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      1. POComplex Data Validation using Data Annotations
      1. USMyles J
 

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