#2 Support for input/model validation

[Markus Elfring]

How will data input be efficiently validated by views and documents in your software infrastructure?

Would you like to add support for validation rules?

Articles like the following contain valuable information to consider for further improvements:
- http://en.wikipedia.org/wiki/Data_validation

- "ASP.NET MVC 2: Model Validation" by Scott Guthrie
http://weblogs.asp.net/scottgu/archive/2010/01/15/asp-net-mvc-2-model-validation.aspx