public static void DoWork(Person person)
{
ModelValidation<Person>.Validate(person)
.NullOrEmpty("{0} is required", c => c.FirstName, c => c.LastName)
.Null("{0} is required", c=>c.BirthDate)
.IsTrue("Must be 21 or older", c=> c < 21, c=>c.Age)
.ThrowIfErrors();
Console.WriteLine("This person is cool");
}
public static void DoWork(Person person)
{
ModelValidation<Person>.Validate(person)
.WhenNullOrEmpty("{0} is required", c => c.FirstName, c => c.LastName)
.WhenNull("{0} is required", c => c.BirthDate)
.WhenTrue("Must be 21 or older", c => c < 21, c => c.Age)
.WhenFalse("Must be 21 or older", c => c >= 21, c => c.Age)
.WhenNullOrEmpty<int>("No lottory numbers given", c => c.LottoNumbers)
.WhenNullOrEmpty("No comments provided", c => c.Comments)
.ThrowWhenOneOrMoreConditionsAreMet();
Console.WriteLine("This person is cool");
}