EduardoPires DomainValidation by: EduardoPires .NET Framework 3.5 This package targets .NET Framework 3.5. The package is compatible with this framework or higher. 171 total downloads last updated 4/23/2015 Latest version: 1.0.0 C# .NET Specification Pattern DDD Validation Custom Error Messages The specification Pattern is a great way to validate complex business rules in Domain.