public ViewResult FindProducts()
{
Product[] products = {
new Product {Name = "Kayak", Category = "Watersports", Price = 275M},
new Product {Name = "Lifejacket", Category = "Watersports", Price = 48.95M},
new Product {Name = "Soccer ball", Category = "Soccer", Price = 19.50M},
new Product {Name = "Corner flag", Category = "Soccer", Price = 34.95M}
};
var foundProducts = products.OrderByDescending(e => e.Price)
.Take(3)
.Select(e => new { e.Name, e.Price });
products[2] = new Product { Name = "Stadium", Price = 79600M };
// create the result
int count = 0;
StringBuilder result = new StringBuilder();
foreach (var p in foundProducts)
{
result.AppendFormat("Price: {0} ", p.Price);
if (++count == 3)
{
break;
}
}
return View("Result", (object)result.ToString());
}
public ViewResult AutoProperty()
{
Product myProduct = new Product();
myProduct.Name = "Kajak";
string productName = myProduct.Name;
return View("Result", (object)String.Format("Nazwa produktu: {0}", productName));
}
public ViewResult FindProducts()
{
Product[] products = {
new Product {Name = "Kayak", Price = 275M, Category="Watersports"},
new Product {Name = "Lifejacket", Price = 48.95M, Category="Watersports"},
new Product {Name = "Soccer ball", Price = 19.50M, Category="Soccer" },
new Product {Name = "Corner flag", Price = 34.95M, Category="Soccer" }
};
Product[] aFoundProducts = new Product[3];
Array.Sort(products, (item1, item2) => {
return Comparer<decimal>.Default.Compare(item1.Price, item2.Price);
});
// get the first three items in the array as the results
Array.Copy(products, aFoundProducts, 3);
// create the result
StringBuilder result2 = new StringBuilder();
foreach (Product prod in aFoundProducts) {
result2.AppendFormat("Product: {0} ", prod.Price);
}
var lFoundProducts = from match in products
orderby match.Price descending
select new {
match.Name,
match.Price
};
return View("Result", (object)result2.ToString());
}
public ViewResult AutoProperty() {
Product myProduct = new Product();
myProduct.Name = "kim";
string productName = myProduct.Name;
return View("Result", (object)String.Format("Product name : {0}", productName));
}
public ViewResult CreateProduct()
{
// create and populate a new product object
Product myProduct = new Product {
ProductID = 100, Name = "kayak", Description = "A boat for one person",
Price = 275m, Category = "Watersports"
};
return View("Result", (object)String.Format("Category: {0}", myProduct.Category));
}
public ViewResult AutoProperty()
{
// create a new Product object
Product myProduct = new Product();
// set the property value
myProduct.Name = "Kayak";
// get the property
string productName = myProduct.Name;
// generate the view
return View("Result",(object)String.Format("Product name: {0}", productName));
}
public ViewResult CreateProduct()
{
Product myProduct = new Product
{
ProductID = 100,
Name = "Kajak",
Description = "Lódka jednosobowa",
Price = 275M,
Category = "Sporty wodne"
};
return View("Result", (object)String.Format("Nazwa produktu: {0}", myProduct.Category));
}
public ViewResult AutoProperty()
{
Product product = new Product()
{
Category = "Watersports",
Desp = "A boat for one person",
Id = 100,
Name = "Carey",
Price = 275M
};
return View("Result", (object) string.Format("Product name:{0}", product.Name));
}
public ViewResult CreateProduct()
{
Product myProduct = new Product
{
productID = 100,
name = "Kajak",
description = "Łódka jednoosobowa",
price = 275M,
category = "Sporty wodne",
};
return View("Result", (object)String.Format("Kategoria: {0}", myProduct.category));
}
public ViewResult CreateProduct() {
// 개체 이니셜라이저 기능
Product myProduct = new Product
{
ProductId = 1,
Name = "Lee",
Description = "hi~",
Price = 200M,
Category = "waterSports"
};
return View("Result", (object)String.Format("Category: {0}", myProduct.Category));
}
public ViewResult CreateProduct()
{
//Создать и заполнить новый обьект Product
var myProduct = new Product
{
ProductID = 100,
Name = "Kayak",
Description = "A boat for one person",
Price = 275M,
Category = "Watersports"
};
return View("Result",
(object) string.Format("Category: {0}", myProduct.Category));
}
public ViewResult AutoProperty()
{
//Создать новый обьект Product
var myProduct = new Product();
//Установить значения свойства
myProduct.Name = "Kayak";
//Получить значения свойства
var productName = myProduct.Name;
//Сгенерировать представление
return View("Result",
(object) string.Format("Product name: {0}", productName));
}
public ViewResult CreateProduct()
{
//// create a new Product object
//Product myProduct = new Product();
//// set the property values
//myProduct.ProductID = 100;
//myProduct.Name = "Kayak";
//myProduct.Description = "A boat for one person";
//myProduct.Price = 275M;
//myProduct.Category = "Watersports";
Product myProduct = new Product { ProductID = 100, Name = "Kayak", Description = "A 1p boat", Price = 275m, Category = "WSp" };
// generate the view
return View("Result", (object)String.Format("Category: {0}", myProduct.Category ));
}
public ViewResult CreateProduct()
{
// create a new Product object
Product myProduct = new Product();
// set the property values
myProduct.ProductID = 100;
myProduct.Name = "Kayak";
myProduct.Description = "A boat for one person";
myProduct.Price = 275M;
myProduct.Category = "Watersports";
return View("Result",(object)String.Format("Category: {0}", myProduct.Category));
}
public ViewResult FindProducts()
{
Product[] products =
{
new Product {Name = "Kajak", Category = "Sporty wodne", Price = 275M},
new Product {Name = "Kamizelka ratunkowa", Category = "Sporty wodne", Price = 48.95M},
new Product {Name = "Piłka nożna", Category = "Piłka nożna", Price = 19.50M},
new Product {Name = "Flaga narożna", Category = "Piłka nożna", Price = 34.95M},
};
var foundProducts = products.OrderByDescending(prod => prod.Price).
Take(3).Select(prod => new { prod.Name, prod.Price});
products[2] = new Product { Name="Stadion", Price = 7960M };
var result = new StringBuilder();
foreach (var prod in foundProducts)
{
result.AppendFormat("Cena: {0} ", prod.Price);
}
return View("Result", (object)result.ToString());
}
public ViewResult SumProducts() {
Product[] products = {
new Product {Name = "kim1", Category = "A", Price = 200M },
new Product {Name = "kim2", Category = "B", Price = 300M },
new Product {Name = "kim3", Category = "C", Price = 400M },
new Product {Name = "kim4", Category = "A", Price = 500M }
};
var results = products.Sum(e => e.Price); //즉시 수행되는 linq질의
products[2] = new Product { Name = "lee", Price = 800M };
return View("Result", (object)String.Format("Sum : {0:c}", results));
}
public ViewResult SumProducts()
{
Product[] products =
{
new Product {Name = "Kajak", Category = "Sporty wodne", Price = 275M},
new Product {Name = "Kamizelka ratunkowa", Category = "Sporty wodne", Price = 48.95M},
new Product {Name = "Piłka nożna", Category = "Piłka nożna", Price = 19.50M},
new Product {Name = "Flaga narożna", Category = "Piłka nożna", Price = 34.95M},
};
var results = products.Sum(prod => prod.Price);
products[2] = new Product { Name = "Stadion", Price = 7960M };
return View("Result", (object)String.Format("Razem: {0:c}", results));
}
//Shows how to use LINQ (Language Integrated Queries) (List of LINQ extension methods on page 94)
public ViewResult FindProducts()
{
Product[] products = {
new Product {Name = "Kayak", Category = "Watersports", Price = 275M},
new Product {Name = "Lifejacket", Category = "Watersports", Price = 48.95M},
new Product {Name = "Soccer ball", Category = "Soccer", Price = 19.50M},
new Product {Name = "Corner flag", Category = "Soccer", Price = 34.95M}
};
var foundProducts = products.OrderByDescending( e => e.Price )
.Take( 3 )
.Select( e => new {
e.Name,
e.Price
} );
//This line shows how a deferred extension method will alter the OrderByDescending result based on the change.
products[2] = new Product { Name = "Stadium", Price = 79600M };
StringBuilder result = new StringBuilder();
foreach ( var p in foundProducts ) {
result.AppendFormat( "Price: {0} ", p.Price );
}
return View( "Result", (object)result.ToString() );
}
public ViewResult SumProducts()
{
Product[] products = { new Product() { Name = "Kayak", Category = "Watersports", Price = 275M }, new Product() { Name = "Lifejacket", Category = "Watersports", Price = 48.95M }, new Product() { Name = "Soccer ball", Category = "Soccer", Price = 19.50M }, new Product() { Name = "Corner flag", Category = "Soccer", Price = 34.95M } };
var results = products.Sum(e => e.Price);
products[2] = new Product { Name = "Stadium", Price = 79500M };
return View("Result", (object)String.Format("Sum: {0:c}", results));
}
public ViewResult FindProducts() {
Product[] products = {
new Product {Name = "kim1", Category = "A", Price = 200M },
new Product {Name = "kim2", Category = "B", Price = 300M },
new Product {Name = "kim3", Category = "C", Price = 400M },
new Product {Name = "kim4", Category = "A", Price = 500M }
};
// ======== linq 미사용
//Product[] foundProducts = new Product[3];
//Array.Sort(products, (item1, item2) =>
//{
// return Comparer<decimal>.Default.Compare(item1.Price, item2.Price);
//});
//Array.Copy(products, foundProducts, 3);
//StringBuilder result = new StringBuilder();
//foreach (Product p in foundProducts)
//{
// result.AppendFormat("Price: {0}", p.Price);
//}
// ======== linq 사용
//var foundProducts = from match in products
// orderby match.Price descending
// select new { match.Name, match.Price };
//int count = 0;
//StringBuilder result = new StringBuilder();
//foreach (var p in foundProducts)
//{
// result.AppendFormat("Price : {0} ", p.Price);
// if (++count == 3)
// {
// break;
// }
//}
// ======== linq 사용 (마침표 기법)
var foundProducts = products.OrderByDescending(e => e.Price)
.Take(3)
.Select(e => new { e.Name, e.Price });
// 지연되는 Linq 확장 메서드
products[2] = new Product { Name = "Lee", Price = 700M }; //linq 사용으로 인해 다시 질의 수행. 결과 변경.
StringBuilder result = new StringBuilder();
foreach (var p in foundProducts)
{
result.AppendFormat("Price : {0} ", p.Price);
}
return View("Result", (object)result.ToString());
}
