private static void Scenariu3()
{
byte[] thumbBits = new byte[100];
byte[] fullBits = new byte[2000];
using (var context = new EF6PhotographsContext())
{
var photo = new Photograph
{
Title = "My Dog",
ThumbnailBits = thumbBits
};
var fullImage = new PhotographFullImage {
HighResolutionBits = fullBits
};
photo.PhotographFullImage = fullImage;
context.Photographs.Add(photo);
context.SaveChanges();
}
using (var context = new EF6PhotographsContext())
{
foreach (var photo in context.Photographs)
{
Console.WriteLine("Photo: {0}, ThumbnailSize {1} bytes",
photo.Title, photo.ThumbnailBits.Length);
// explicitly load the "expensive" entity,
context.Entry(photo)
.Reference(p => p.PhotographFullImage).Load();
Console.WriteLine("Full Image Size: {0} bytes",
photo.PhotographFullImage.HighResolutionBits.Length);
}
}
}
private void InsertData3()
{
byte[] thumbBits = new byte[100];
byte[] fullBits = new byte[2000];
using (var context = new ModelPhotograph())
{
var photo = new Photograph
{
Title = "My Dog",
ThumbnailBits = thumbBits
};
var fullImage = new PhotographFullImage
{
HighResolutionBits = fullBits
};
photo.PhotographFullImage = fullImage;
context.Photo.Add(photo);
context.SaveChanges();
}
}
static void Main(string[] args)
{
// Scenario 1
Console.WriteLine("Scenario 1");
using (var context = new ModelSelfReference())
{
context.Database.ExecuteSqlCommand("DELETE FROM [SelfReferences]");
context.SelfReferences.Add(new SelfReference
{
Name = "Test"
});
context.SaveChanges();
context.SelfReferences.Add(new SelfReference
{
Name = "Test2",
ParentSelfReference = context.SelfReferences.FirstOrDefault()
});
context.SaveChanges();
}
using (var context = new ModelSelfReference())
{
foreach (var p in context.SelfReferences)
{
Console.WriteLine("{0} {1} {2}", p.SelfReferenceId, p.Name, p.ParentSelfReferenceId);
}
}
// Scenario 2
Console.WriteLine("\nScenario 2");
using (var context = new ModelSelfReference())
{
context.Database.ExecuteSqlCommand("DELETE FROM [BazaDeDate].[ProductWebInfo]");
context.SaveChanges();
context.Database.ExecuteSqlCommand("DELETE FROM [BazaDeDate].[Product]");
var product = new Product
{
SKU = 147,
Description = "Expandable Hydration Pack",
Price = 19.97M,
ImageURL = "/pack147.jpg"
};
context.Products.Add(product);
product = new Product
{
SKU = 178,
Description = "Rugged Ranger Duffel Bag",
Price = 39.97M,
ImageURL = "/pack178.jpg"
};
context.Products.Add(product);
product = new Product
{
SKU = 186,
Description = "Range Field Pack",
Price = 98.97M,
ImageURL = "/noimage.jp"
};
context.Products.Add(product);
product = new Product
{
SKU = 202,
Description = "Small Deployment Back Pack",
Price = 29.97M,
ImageURL = "/pack202.jpg"
};
context.Products.Add(product);
context.SaveChanges();
}
using (var context = new ModelSelfReference())
{
foreach (var p in context.Products)
{
Console.WriteLine("{0} {1} {2} {3}", p.SKU, p.Description,
p.Price.ToString("C"), p.ImageURL);
}
}
// scenario 3 example
Console.WriteLine("\nScenario 3");
byte[] thumbBits = new byte[100];
byte[] fullBits = new byte[2000];
using (var context = new ModelSelfReference())
{
var photo = new Photograph
{
Title = "My Dog",
ThumbnailBits = thumbBits
};
var fullImage = new PhotographFullImage
{
HighResolutionBits =
fullBits
};
photo.PhotographFullImage = fullImage;
context.Photographs.Add(photo);
context.SaveChanges();
}
using (var context = new ModelSelfReference())
{
foreach (var photo in context.Photographs)
{
Console.WriteLine("Photo: {0}, ThumbnailSize {1} bytes",
photo.Title, photo.ThumbnailBits.Length);
context.Entry(photo)
.Reference(p => p.PhotographFullImage).Load();
Console.WriteLine("Full Image Size: {0} bytes",
photo.PhotographFullImage.HighResolutionBits.Length);
}
}
// Scenario 4
Console.WriteLine("\n Scenario 4");
using (var context = new ModelSelfReference())
{
var business = new Business
{
Name = "Corner Dry Cleaning",
LicenseNumber = "100x1"
};
context.Businesses.Add(business);
var retail = new Retail
{
Name = "Shop and Save",
LicenseNumber =
"200C",
Address = "101 Main",
City = "Anytown",
State = "TX",
ZIPCode = "76106"
};
context.Businesses.Add(retail);
var web = new ECommerce
{
Name = "BuyNow.com",
LicenseNumber =
"300AB",
URL = "www.buynow.com"
};
context.Businesses.Add(web);
context.SaveChanges();
}
using (var context = new ModelSelfReference())
{
Console.WriteLine("\n--- All Businesses ---");
foreach (var b in context.Businesses)
{
Console.WriteLine("{0} (#{1})", b.Name, b.LicenseNumber);
}
Console.WriteLine("\n--- Retail Businesses ---");
foreach (var r in context.Businesses.OfType <Retail>())
{
Console.WriteLine("{0} (#{1})", r.Name, r.LicenseNumber);
Console.WriteLine("{0}", r.Address);
Console.WriteLine("{0}, {1} {2}", r.City, r.State, r.ZIPCode);
}
Console.WriteLine("\n--- eCommerce Businesses ---");
foreach (var e in context.Businesses.OfType <ECommerce>())
{
Console.WriteLine("{0} (#{1})", e.Name, e.LicenseNumber);
Console.WriteLine("Online address is: {0}", e.URL);
}
}
// Scenario 5
Console.WriteLine("\nScenario 5");
using (var context = new ModelSelfReference())
{
var fte = new FullTimeEmployee
{
FirstName = "Jane",
LastName =
"Doe",
Salary = 71500M
};
context.Employees.Add(fte);
fte = new FullTimeEmployee
{
FirstName = "John",
LastName = "Smith",
Salary = 62500M
};
context.Employees.Add(fte);
var hourly = new HourlyEmployee
{
FirstName = "Tom",
LastName =
"Jones",
Wage = 8.75M
};
context.Employees.Add(hourly);
context.SaveChanges();
}
using (var context = new ModelSelfReference())
{
Console.WriteLine("--- All Employees ---");
foreach (var emp in context.Employees)
{
bool fullTime = emp is HourlyEmployee ? false : true;
Console.WriteLine("{0} {1} ({2})", emp.FirstName, emp.LastName,
fullTime ? "Full Time" : "Hourly");
}
Console.WriteLine("--- Full Time ---");
foreach (var fte in context.Employees.OfType <FullTimeEmployee>())
{
Console.WriteLine("{0} {1}", fte.FirstName, fte.LastName);
}
Console.WriteLine("--- Hourly ---");
foreach (var hourly in context.Employees.OfType <HourlyEmployee>())
{
Console.WriteLine("{0} {1}", hourly.FirstName,
hourly.LastName);
}
}
}
static void Main()
{
//Application.EnableVisualStyles();
//Application.SetCompatibleTextRenderingDefault(false);
// Application.Run(new Form1());
using (var context = new Contextcs())
{
var product = new Product
{
SKU = 147,
Description = "Expandable Hydration Pack",
Price = 19.97M,
ImageURL = "/pack147.jpg"
};
context.Products.Add(product);
product = new Product
{
SKU = 178,
Description = "Rugged Ranger Duffel Bag",
Price = 39.97M,
ImageURL = "/pack178.jpg"
};
context.Products.Add(product);
product = new Product
{
SKU = 186,
Description = "Range Field Pack",
Price = 98.97M,
ImageURL = "/noimage.jp"
};
context.Products.Add(product);
product = new Product
{
SKU = 202,
Description = "Small Deployment Back Pack",
Price = 29.97M,
ImageURL = "/pack202.jpg"
};
context.Products.Add(product);
context.SaveChanges();
}
using (var context = new Contextcs())
{
foreach (var p in context.Products)
{
Console.WriteLine("{0} {1} {2} {3}", p.SKU, p.Description,
p.Price.ToString("C"), p.ImageURL);
}
}
byte[] thumbBits = new byte[100];
byte[] fullBits = new byte[2000];
using (var context = new Contextcs2())
{
var photo = new Photograph
{
Title = "My Dog",
ThumbnailBits = thumbBits
};
var fullImage = new PhotographFullImage
{
HighResolutionBits =
fullBits
};
photo.PhotographFullImage = fullImage;
context.PhotoFull.Add(photo);
context.SaveChanges();
}
using (var context = new Contextcs2())
{
foreach (var photo in context.PhotoFull)
{
Console.WriteLine("Photo: {0}, ThumbnailSize {1} bytes",
photo.Title, photo.ThumbnailBits.Length);
// explicitly load the "expensive" entity,
context.Entry(photo)
.Reference(p => p.PhotographFullImage).Load();
Console.WriteLine("Full Image Size: {0} bytes",
photo.PhotographFullImage.HighResolutionBits.Length);
}
}
using (var context = new Contextcs3())
{
var business = new Business
{
Name = "Corner Dry Cleaning",
LicenseNumber = "100x1"
};
context.Businesses.Add(business);
var retail = new Retail
{
Name = "Shop and Save",
LicenseNumber = "200C",
Address = "101 Main",
City = "Anytown",
State = "TX",
ZIPCode = "76106"
};
context.Businesses.Add(retail);
var web = new eCommerce
{
Name = "BuyNow.com",
LicenseNumber = "300AB",
URL = "www.buynow.com"
};
context.Businesses.Add(web);
context.SaveChanges();
}
using (var context = new Contextcs3())
{
Console.WriteLine("\n--- All Businesses ---");
foreach (var b in context.Businesses)
{
Console.WriteLine("{0} (#{1})", b.Name, b.LicenseNumber);
}
Console.WriteLine("\n--- Retail Businesses ---");
foreach (var r in context.Businesses.OfType <Retail>())
{
Console.WriteLine("{0} (#{1})", r.Name, r.LicenseNumber);
Console.WriteLine("{0}", r.Address);
Console.WriteLine("{0}, {1} {2}", r.City, r.State, r.ZIPCode);
}
Console.WriteLine("\n--- eCommerce Businesses ---");
foreach (var e in context.Businesses.OfType <eCommerce>())
{
Console.WriteLine("{0} (#{1})", e.Name, e.LicenseNumber);
Console.WriteLine("Online address is: {0}", e.URL);
}
}
using (var context = new Contextcs4())
{
var fte = new FullTimeEmp
{
FirstName = "Jane",
LastName =
"Doe",
Salary = 71500M
};
context.Employees.Add(fte);
fte = new FullTimeEmp
{
FirstName = "John",
LastName = "Smith",
Salary = 62500M
};
context.Employees.Add(fte);
var hourly = new HourlyEmp
{
FirstName = "Tom",
LastName =
"Jones",
Wage = 8.75M
};
context.Employees.Add(hourly);
context.SaveChanges();
}
using (var context = new Contextcs4())
{
Console.WriteLine("--- All Employees ---");
foreach (var emp in context.Employees)
{
bool fullTime = emp is HourlyEmp ? false : true;
Console.WriteLine("{0} {1} ({2})", emp.FirstName, emp.LastName,
fullTime ? "Full Time" : "Hourly");
}
Console.WriteLine("--- Full Time ---");
foreach (var fte in context.Employees.OfType <FullTimeEmp>())
{
Console.WriteLine("{0} {1}", fte.FirstName, fte.LastName);
}
Console.WriteLine("--- Hourly ---");
foreach (var hourly in context.Employees.OfType <HourlyEmp>())
{
Console.WriteLine("{0} {1}", hourly.FirstName,
hourly.LastName);
}
}
}
