netcoreapp3.1 
namespace Microsoft.AspNetCore.Mvc.DataAnnotations
{
    public sealed class RequiredAttributeAdapter : AttributeAdapterBase<RequiredAttribute>
    {
        public override string GetErrorMessage(ModelValidationContextBase validationContext);
    }
}
.NET
5.06.07.08.09.010.011.0
.NET Core
3.03.1
Information specific to netcoreapp3.1
Assembly

Microsoft.AspNetCore.Mvc.DataAnnotations , Version=3.1.0.0, PublicKeyToken=adb9793829ddae60

Referencing

Requires any:

  • Your project needs to use SDK Microsoft.NET.Sdk.Web.

  • Your project needs a framework reference to Microsoft.AspNetCore.App.

  • Your project needs a package reference to Microsoft.AspNetCore.App.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API