static void AddProducts()
{
// Çoklu veri ekleme
using (var db = new SalihContext())
{
var products = new List <Product>
{
new Product {
Name = "Tel1", Price = 200
},
new Product {
Name = "Tel2", Price = 300
},
new Product {
Name = "Tel3", Price = 400
},
new Product {
Name = "Tel4", Price = 500
}
};
//foreach (var p in products)
//{
// db.Products.Add(p);
//}
// veya direk AddRange ile
db.Products.AddRange(products);
db.SaveChanges();
Console.WriteLine("Veriler eklendi");
}
}
static void DeleteProduct(string name)
{
using (var db = new SalihContext())
{
var p = db.Products.FirstOrDefault(i => i.Name == name);
if (p != null)
{
db.Remove(p);
db.SaveChanges();
Console.WriteLine("Kayıt silindi");
// 2. yöntem select olmadan çalışır direk siler
/*
* var p1 = new Product() { Name = "Tel1" };
* //db.Products.Remove(p1);
* // veya
* db.Entry(p1).State = EntityState.Deleted;
* db.SaveChanges();
*/
}
}
}
static void InsertAddresses()
{
var addresses = new List <Address>()
{
new Address()
{
FullName = "Adres1", Title = "Ev", Body = "Gebze", UserId = 1
},
new Address()
{
FullName = "Adres1-2", Title = "iş", Body = "işgebze", UserId = 1
},
new Address()
{
FullName = "Adres2", Title = "Ev", Body = "Gebze-ev", UserId = 2
},
new Address()
{
FullName = "Adres2-2", Title = "iş", Body = "Gebze-iş", UserId = 2
},
new Address()
{
FullName = "Adres3", Title = "Ev", Body = "Gebze-ev", UserId = 3
}
};
using (var db = new SalihContext())
{
db.Addresses.AddRange(addresses);
db.SaveChanges();
}
}
static void GetProductByName(string name)
{
using (var db = new SalihContext())
{
var product = db
.Products
.Where(product =>
product.Name == name
)
.FirstOrDefault();
Console.WriteLine(product.ProductId + " " + product.Name + " " + product.Price);
}
}
static void UpdateProduct(string id)
{
using (var db = new SalihContext())
{
// change tracking
var p = db.Products.Where(i => i.ProductId.ToString() == id).FirstOrDefault();
if (p != null)
{
p.Price *= 1.2m;
db.SaveChanges();
Console.WriteLine("güncelleme yapıldı");
}
}
}
static void AddProduct()
{
// Veri ekleme
using (var db = new SalihContext())
{
var product = new Product {
Name = "PC", Price = 2000
};
db.Products.Add(product);
db.SaveChanges();
Console.WriteLine("Veri eklendi");
}
}
static void UpdateByName(string name)
{
// 2. yöntem
using (var db = new SalihContext())
{
var entity = new Product()
{
Name = name
};
db.Products.Attach(entity);
entity.Price = 1999;
db.SaveChanges();
Console.WriteLine("güncelleme yapıldı");
}
}
static void GetAllProducts()
{
using (var db = new SalihContext())
{
var products = db
.Products
.Select(product =>
new
{
product.Name,
product.Price
})
.ToList();
foreach (var p in products)
{
Console.WriteLine(p.Name + " " + p.Price);
}
}
}
static void InsertUsers()
{
var users = new List <User>()
{
new User()
{
Username = "******", Email = "*****@*****.**"
},
new User()
{
Username = "******", Email = "*****@*****.**"
},
new User()
{
Username = "******", Email = "*****@*****.**"
}
};
using (var db = new SalihContext())
{
db.Users.AddRange(users);
db.SaveChanges();
}
}
public static void InsertManyToMany()
{
using (var db = new SalihContext())
{
var blogs = new List <Blog>()
{
new Blog()
{
Name = "b1", Content = "test blog1"
},
new Blog()
{
Name = "b2", Content = "test blog2"
},
new Blog()
{
Name = "b3", Content = "test blog3"
}
};
db.Blogs.AddRange(blogs);
db.SaveChanges();
var comments = new List <Comment>()
{
new Comment()
{
CommentText = "test yorum1", Commenter = "salih"
},
new Comment()
{
CommentText = "test yorum2", Commenter = "salih1"
},
new Comment()
{
CommentText = "test yorum3", Commenter = "salih2"
},
new Comment()
{
CommentText = "test yorum4", Commenter = "salih3"
},
new Comment()
{
CommentText = "test yorum5", Commenter = "salih4"
},
new Comment()
{
CommentText = "test yorum6", Commenter = "salih5"
},
new Comment()
{
CommentText = "test yorum7", Commenter = "salih5"
},
new Comment()
{
CommentText = "test yorum8", Commenter = "salih7"
}
};
db.Comments.AddRange(comments);
db.SaveChanges();
}
}
