How Can I Use Resource Values for DisplayName Attributes in Localized Applications?

Access DisplayName Attribute from Resources

In localized applications, you may encounter the challenge of setting the DisplayName attribute for model properties using resource values. By introducing the DisplayName attribute, you'll discover how to overcome this limitation and enhance your application's display capabilities.

Problem

Traditionally, you might attempt to set the DisplayName attribute like so:

[DisplayName(Resources.Resources.labelForName)]

However, this approach fails due to the compiler's restriction that attribute arguments must be constant expressions.

Workaround

To navigate this challenge, you can leverage the Display attribute introduced in MVC 3 and .NET 4. This attribute offers advanced functionality and enables localization.

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

Using this attribute, you specify the resource key and the resource type that contains the localized value for the display name.

Additional Considerations

1. The Display attribute requires your resource file to be embedded as a resource and use the 'ResXFileCodeGenerator' custom tool.
2. Avoid using App_GlobalResources or App_LocalResources with MVC due to potential compatibility issues.

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