private static void Projections()
{
using var ctx = new SandboxContext();
ctx.Database.EnsureCreated();
var parents = ctx.Parents.Select(ParentShort.Projection).ToList();
var items = ctx.Items.Select(ItemProjection.Projection).ToList();
var testFrom = from x in ctx.Parents
select x;
}
private static void ContextTest()
{
using var ctx = new SandboxContext();
ctx.Database.EnsureCreated();
var parent = new Parent
{
ChildName = "Test Name",
Items = new List <Item>
{
new Item {
Name = "Item1"
},
new Item {
Name = "Item2"
},
new Item {
Name = "Item3"
}
}
};
ctx.Parents.Add(parent);
ctx.SaveChanges();
Console.WriteLine("Press any key to delete dependants...");
Console.ReadLine();
var firstItem = parent.Items.First();
parent.Items.Remove(firstItem);
ctx.SaveChanges();
Console.WriteLine("Press any key to delete principal...");
Console.ReadLine();
ctx.Parents.Remove(parent);
ctx.SaveChanges();
}