/// <summary>
/// Checks if the model is required or is a non nullable value.
/// </summary>
/// <param name="metadata">The model metadata.</param>
/// <returns>true if the model is required, false otherwise.</returns>
public static bool IsRequired(this ModelMetadata metadata)
{
return(metadata.IsRequired | !FWReflectionHelper.AllowsNullValue(metadata.ModelType));
}
