/// <summary>
/// Provider registration helper, which replaces the existing
/// <see cref="DataAnnotationsModelValidatorProvider"/> with the new one that
/// supports .NET 4. If the old provider isn't registered, then the new one
/// is added at the end of the list.
/// </summary>
/// <param name="addImpliedRequiredAttributes">A flag which indicates whether
/// the validator provider should automatically generate <see cref="RequiredAttribute"/>
/// instances for non-nullable value types when there isn't one already
/// present. In <see cref="DataAnnotationsModelValidatorProvider"/>, this
/// was always true.</param>
public static void RegisterProvider(bool addImpliedRequiredAttributes = true)
{
// Start assuming we'll go at the end
int index = ModelValidatorProviders.Providers.Count;
// We need to remove the old DA provider, and record its place in the provider list
// so we can preserve the original order
var oldProvider = ModelValidatorProviders.Providers.FirstOrDefault(p => p is DataAnnotationsModelValidatorProvider);
if (oldProvider != null)
{
index = ModelValidatorProviders.Providers.IndexOf(oldProvider);
ModelValidatorProviders.Providers.Remove(oldProvider);
}
var newProvider = new DataAnnotations4ModelValidatorProvider {
AddImpliedRequiredAttributes = addImpliedRequiredAttributes
};
ModelValidatorProviders.Providers.Insert(index, newProvider);
}
/// <summary>
/// Provider registration helper, which replaces the existing
/// <see cref="DataAnnotationsModelValidatorProvider"/> with the new one that
/// supports .NET 4. If the old provider isn't registered, then the new one
/// is added at the end of the list.
/// </summary>
/// <param name="addImpliedRequiredAttributes">A flag which indicates whether
/// the validator provider should automatically generate <see cref="RequiredAttribute"/>
/// instances for non-nullable value types when there isn't one already
/// present. In <see cref="DataAnnotationsModelValidatorProvider"/>, this
/// was always true.</param>
public static void RegisterProvider(bool addImpliedRequiredAttributes = true) {
// Start assuming we'll go at the end
int index = ModelValidatorProviders.Providers.Count;
// We need to remove the old DA provider, and record its place in the provider list
// so we can preserve the original order
var oldProvider = ModelValidatorProviders.Providers.FirstOrDefault(p => p is DataAnnotationsModelValidatorProvider);
if (oldProvider != null) {
index = ModelValidatorProviders.Providers.IndexOf(oldProvider);
ModelValidatorProviders.Providers.Remove(oldProvider);
}
var newProvider = new DataAnnotations4ModelValidatorProvider { AddImpliedRequiredAttributes = addImpliedRequiredAttributes };
ModelValidatorProviders.Providers.Insert(index, newProvider);
}