NHibernate Validator provides data validation for classes. In this recipe, we will show you how to use NHibernate Validator attributes to validate your entities.
Complete the Eg.Core
model and mappings from Chapter 2, Models and Mappings.
Create a new class library project named
Eg.AttributeValidation
.Copy the
Eg.Core
model and mappings from Chapter 2, Models and Mappings to this new project.Change the namespace and assembly references in the mappings to
Eg.AttributeValidation
.Change the namespaces for the entity classes to
Eg.AttributeValidation
.Install the NHibernate Validator package using NuGet Package Manager Console by running the following command:
Install-Package NHibernate.Validator -Project Eg.AttributeValidation
Create a new attribute class named
NotNegativeDecimalAttribute
with the following code:[Serializable] [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)] public class NotNegativeDecimalAttribute...