static void ReverseEverything(ProductInfo[] products) {
Console.WriteLine("=> Products in reverse");
var allProducts = products.Reverse();
foreach (var prod in allProducts) {
Console.WriteLine(prod);
}
Console.WriteLine();
}
static void SelectProductNames(ProductInfo[] products) {
Console.WriteLine("=> All Names:");
var allNames = from p in products select p.Name;
foreach (var p in allNames) {
Console.WriteLine(p);
}
Console.WriteLine();
}
static void GetNamesAndDescriptions(ProductInfo[] products) {
Console.WriteLine("=> GetNamesAndDescriptions:");
var nameDesc = from p in products select new { p.Name, p.Description };
foreach (var p in nameDesc) {
Console.WriteLine(p);
}
Console.WriteLine();
}
static void SelectEverything(ProductInfo[] products) {
Console.WriteLine("=> All producrt details:");
var allProducts = from p in products select p;
foreach (var p in allProducts) {
Console.WriteLine(p);
}
Console.WriteLine();
}
static void AlphabetizeProductNames( ProductInfo[] products )
{
// Get names of products, alphabetized.
var subset = from p in products orderby p.Name select p;
Console.WriteLine("Ordered by Name:");
foreach (var p in subset)
{
Console.WriteLine(p.ToString());
}
}
static void GetOverstock(ProductInfo[] products) {
Console.WriteLine("=> GetOverstock");
var overstock = from p in products
where p.NumberInStock > 25
where p.NumberInStock > 25 //works fine
select p;
foreach (var p in overstock) {
Console.WriteLine(p);
}
Console.WriteLine();
}
static void GetNamesAndDescriptions(ProductInfo[] products)
{
Console.WriteLine("Names and Descriptions:");
var nameDesc = from p in products select new {p.Name, p.Description};
foreach (var items in nameDesc)
Console.WriteLine(items.ToString());
}
static void GetOverstock(ProductInfo[] products)
{
Console.WriteLine("The overstock items!");
var overstock = from p in products where p.NumberInStock > 25 select p;
foreach (ProductInfo c in overstock)
Console.WriteLine(c.ToString());
}
static void ListProductNames(ProductInfo[] products)
{
Console.WriteLine("Only product names:");
var names = from p in products select p.Name;
foreach (var n in names)
Console.WriteLine("Name: {0}", n);
}
static void SelectEverything(ProductInfo[] products)
{
Console.WriteLine("All product details:");
var allProducts = from p in products select p;
foreach (var prod in allProducts)
Console.WriteLine(prod.ToString());
}
static Array GetProjectedSubset( ProductInfo[] products )
{
var nameDesc = from p in products select new { p.Name, p.Description };
return nameDesc.ToArray();
}
static void GetNamesAndDescriptions( ProductInfo[] products )
{
Console.WriteLine("Names and Descriptions:");
var nameDesc = from p in products select new { p.Name, p.Description };
foreach (var item in nameDesc)
{
// Could also use Name and Description properties directly.
Console.WriteLine(item.ToString());
}
}
static Array GetProjectedSubset(ProductInfo[] products)
{
var nameDesc = from p in products select new { p.Name, p.Description };
// Mape set of anonymous objects to an Array object.
return nameDesc.ToArray();
}
static void AlphabetizeProductNames(ProductInfo[] products) {
Console.WriteLine("=> Ordered by Name");
var subset = from p in products
orderby p.Name
select p;
foreach (var p in subset) {
Console.WriteLine(p);
}
Console.WriteLine();
}
static void ReverseEverything(ProductInfo[] products)
{
Console.WriteLine("Product in reverse:");
var allProducts = from p in products select p;
foreach (var prod in allProducts.Reverse())
Console.WriteLine(prod.ToString());
}
static void AlphabetizeProductNames(ProductInfo[] products)
{
var subset = from p in products orderby p.Name descending select new {p.Name};
Console.WriteLine("Ordered by Name:");
foreach (var p in subset)
Console.WriteLine(p.ToString());
}
static void GetOverstock( ProductInfo[] products )
{
Console.WriteLine("The overstock items!");
// Get only the items where we have more than
// 25 in stock.
var overstock = from p in products where p.NumberInStock > 25 select p;
foreach (ProductInfo c in overstock)
{
Console.WriteLine(c.ToString());
}
}
