Add methods to a model using entity framework

Question

With entity framework, is it possible to add methods to an object class ? For example, i have a CLIENT mapping and i would like to create a \"getAgeFromBirhDate\" method.

Answer 1

public static class ModelExtended
{
    public static void SaveModelToXML(this Model1Container model, string xmlfilePath)
    {
        ///some code
    }
}