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225
Data Anotations - database first
posted

Hi, 

 we are using EF with database first method. When I create new view model, data annotation works fine. But when I put my data annotation in to partial class I was not able to make them work.

Works:

public class TenantViewModel
{

[Key]
[DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }

[Required(ErrorMessageResourceName = "msg0004", ErrorMessageResourceType = typeof(Resources.Messages))]
[StringLength(Defaults.TenantNameMaxLength, ErrorMessageResourceName = "msg0005", ErrorMessageResourceType = typeof(Resources.Messages))]
[Display(Name = "name", ResourceType = typeof(Resources.Translations))]
public string Name { get; set; }

[Required(ErrorMessageResourceName = "msg0004", ErrorMessageResourceType = typeof(Resources.Messages))]
[StringLength(Defaults.TenantSchemaNameMaxLength, ErrorMessageResourceName = "msg0005", ErrorMessageResourceType = typeof(Resources.Messages))]
[Display(Name = "schemaName", ResourceType = typeof(Resources.Translations))]
public string SchemaName { get; set; }

}

Do not work:

[MetadataType(typeof(Tenant.TenantMetadata))]

public partial class Tenant

{

private sealed class TenantMetadata

{

[Key]
[DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }

[Required(ErrorMessageResourceName = "msg0004", ErrorMessageResourceType = typeof(Resources.Messages))]
[StringLength(Defaults.TenantNameMaxLength, ErrorMessageResourceName = "msg0005", ErrorMessageResourceType = typeof(Resources.Messages))]
[Display(Name = "name", ResourceType = typeof(Resources.Translations))]
public string Name { get; set; }

[Required(ErrorMessageResourceName = "msg0004", ErrorMessageResourceType = typeof(Resources.Messages))]
[StringLength(Defaults.TenantSchemaNameMaxLength, ErrorMessageResourceName = "msg0005", ErrorMessageResourceType = typeof(Resources.Messages))]
[Display(Name = "schemaName", ResourceType = typeof(Resources.Translations))]
public string SchemaName { get; set; }

}

}

Any idea why? Thanks.

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  • 25665
    Offline posted

    Hello Adam,

    Thank you for contacting Infragistics!

    I have some questions concerning this matter. Are you displaying the data in the IgniteUI igGrid or another Infragistics control? If it is another control what is the control?

    Looking forward to hearing from you.

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