public void OnDeleteCascade()
{
#if CLR4
using (ModelFirstModel1Container ctx = new ModelFirstModel1Container())
{
if (ctx.DatabaseExists())
ctx.DeleteDatabase();
ctx.CreateDatabase();
ctx.SaveChanges();
}
#endif
using (ModelFirstModel1Container ctx = new ModelFirstModel1Container())
{
Student s = new Student();
s.Name = "Einstein, Albert";
s.Kardexes.Add(new Kardex() { Score = 9.0 });
ctx.AddToStudents(s);
ctx.SaveChanges();
}
using (ModelFirstModel1Container ctx = new ModelFirstModel1Container())
{
var a = from st in ctx.Students select st;
Student s = a.First();
s.Kardexes.Load();
Assert.AreEqual( "Einstein, Albert", s.Name );
Kardex k = s.Kardexes.First();
Assert.AreEqual(9.0, k.Score);
ctx.DeleteObject( s );
ctx.SaveChanges();
}
using (ModelFirstModel1Container ctx = new ModelFirstModel1Container())
{
var q = from st in ctx.Students select st;
Assert.AreEqual(0, q.Count());
var q2 = from k in ctx.Kardexes select k;
Assert.AreEqual(0, q2.Count());
}
}
/// <summary>
/// Create a new Student object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="name">Initial value of the Name property.</param>
public static Student CreateStudent(global::System.Int32 id, global::System.String name)
{
Student student = new Student();
student.Id = id;
student.Name = name;
return student;
}
/// <summary>
/// Deprecated Method for adding a new object to the Students EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToStudents(Student student)
{
base.AddObject("Students", student);
}
