How Can I Localize the DisplayName Attribute in .NET Applications?

Localizing DisplayName Attribute with Resources

In localized applications, it is desirable to dynamically set the DisplayName attribute of a model property based on a resource value. However, the traditional DisplayName attribute in the System.ComponentModel namespace does not support localization.

Workaround with Display Attribute in MVC 3 and .NET 4

In MVC 3 with .NET 4, the Display attribute from the System.ComponentModel.DataAnnotations namespace offers a solution for localization. It replaces the DisplayName attribute and includes:

[Display(Name = "labelForName", ResourceType = typeof(Resources.Resources))]

Here, "labelForName" is the key in the resource file, and "Resources.Resources" is the fully qualified name of the resource class.

EmberCD Windsor Helper (Optional)

For ASP.NET Core and EF Core projects, the EmberCD Windsor Helper provides a similar solution:

[Required]
[DisplayNameResource(typeof(Resources.Resources), "labelForName")]
public string name{ get; set; }

Additional Considerations

• Ensure your resource file is set as 'Embedded resource' and uses the 'ResXFileCodeGenerator' custom tool.
• Avoid using App_GlobalResources or App_LocalResources with MVC due to compatibility issues. Refer to the linked documentation for more information.

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