private void LinqIsVersatile1()
{
string[] sandwiches = { "szynka i ser", "salami z majonezem", "indyk i ser szwajcarski", "kotlet z kurczaka" };
var sandwichesOnRye = from sandwich in sandwiches select sandwich + " na chlebie zborzowym";
CurrentQueryResults.Clear();
foreach (var sandwich in sandwichesOnRye)
{
CurrentQueryResults.Add(CreateAnonymousListViewItem(sandwich, "bluegray_250x250.jpg"));
}
}
private void LinqIsVersatile1()
{
string[] sandwiches = { "ham and cheese", "salami with mayo" };
var sandwichesOnRye = from sandwich in sandwiches select sandwich + " on rye";
CurrentQueryResults.Clear();
foreach (var sandwich in sandwichesOnRye)
{
CurrentQueryResults.Add(CreateAnonymousListViewItem(sandwich, "bluegray_250x250.jpg"));
}
}
private void LinqMakesQueriesEasy()
{
int[] values = new int[] { 0, 12, 44, 36, 92, 54, 13, 8 };
var results = from v in values where v < 37 orderby v select v;
CurrentQueryResults.Clear();
foreach (int i in results)
{
CurrentQueryResults.Add(new { Title = i.ToString(),
Image = CreateImageFromAssets("purple_250x250.jpg") }); //File Name
}
}
private void LinqIsVersatile1()
{
string[] sandwiches = { "ham and cheese", "salami with mayo",
"turkey and swiss", "chicken cutlet" };
var sandwichesOnRye =
from sandwich in sandwiches
select sandwich + " on rye";
CurrentQueryResults.Clear();
foreach (var sandwich in sandwichesOnRye)
{
CurrentQueryResults.Add(CreateAnonymousListViewItem(sandwich, @"F:\Programs\IT\Programming Language\C#\hfcs\chap14\LinqSplitApp\bluegray_250x250.jpg"));
}
}
private void ExpensiveComics()
{
IEnumerable <Comic> comics = BuildCataloq();
Dictionary <int, decimal> values = GetPrices();
var mostExpensive = from comic in comics where values[comic.Issue] > 500
orderby values[comic.Issue] select comic;
CurrentQueryResults.Clear();
foreach (Comic comic in mostExpensive)
{
CurrentQueryResults.Add(new { Title = string.Format("{0} is worth {1:c}", comic.Name, values[comic.Issue]),
Image = CreateImageFromAssets("captain_amazing_250x250.jpg") });
}
}
private void LinqMakesQueriesEasy()
{
int[] values = new int[] { 0, 12, 44, 36, 92, 54, 13, 8 };
var result = from v in values
where v < 37
orderby v
select v;
CurrentQueryResults.Clear();
foreach (int i in result)
{
CurrentQueryResults.Add(
new { Title = i.ToString(), ImagePath = "Assets/purple_250x250.jpg", });
}
}
private void ExpensiveComics()
{
IEnumerable <Comic> comics = BuildCatalog();
Dictionary <int, decimal> values = GetPrices();
var mostExpensive = from comic in comics
where values[comic.Issue] > 500
orderby values[comic.Issue] descending
select comic;
CurrentQueryResults.Clear();
foreach (Comic comic in mostExpensive)
{
CurrentQueryResults.Add(
new { Title = string.Format("{0} is worth {1:c}", comic.Name, values[comic.Issue]), ImagePath = "Assets/purple_250x250.jpg", });
}
}
private void LinqIsVersatile2()
{
Random random = new Random();
List <int> listOfNumbers = new List <int>();
int length = random.Next(50, 150);
for (int i = 0; i < length; i++)
{
listOfNumbers.Add(random.Next(100));
}
CurrentQueryResults.Clear();
CurrentQueryResults.Add(CreateAnonymousListViewItem(String.Format("There are {0} numbers", listOfNumbers.Count())));
CurrentQueryResults.Add(CreateAnonymousListViewItem(String.Format("The smallest is {0}", listOfNumbers.Min())));
CurrentQueryResults.Add(CreateAnonymousListViewItem(String.Format("The biggest is {0}", listOfNumbers.Max())));
CurrentQueryResults.Add(CreateAnonymousListViewItem(String.Format("The sum is {0}", listOfNumbers.Sum())));
CurrentQueryResults.Add(CreateAnonymousListViewItem(String.Format("The average is {0:F2}", listOfNumbers.Average())));
}
private void LinqMakesQueriesEasy()
{
int[] values = new int[] { 0, 12, 44, 36, 92, 54, 13, 8 };
var result = from v in values
where v < 37
orderby v
select v;
CurrentQueryResults.Clear();
foreach (int i in result)
{
CurrentQueryResults.Add(
new
{
Title = i.ToString(),
Image = CreateImageFromAssets(@"F:\Programs\IT\Programming Language\C#\hfcs\chap14\LinqSplitApp\purple_250x250.jpg"),
}
);
}
}
private void LinqIsVersatile2()
{
Random random = new Random();
List <int> listOfNumbers = new List <int>();
int length = random.Next(50, 150);
for (int i = 0; i < length; i++)
{
listOfNumbers.Add(random.Next(100));
}
CurrentQueryResults.Clear();
CurrentQueryResults.Add(CreateAnonymousListViewItem(
String.Format("Na liście znajduje się {0} liczb", listOfNumbers.Count())));
CurrentQueryResults.Add(
CreateAnonymousListViewItem(String.Format("Najmniejsza z nich to {0}", listOfNumbers.Min())));
CurrentQueryResults.Add(
CreateAnonymousListViewItem(String.Format("Największa z nich to {0}", listOfNumbers.Max())));
CurrentQueryResults.Add(
CreateAnonymousListViewItem(String.Format("Suma wynosi {0}", listOfNumbers.Sum())));
CurrentQueryResults.Add(CreateAnonymousListViewItem(String.Format("Średnia wynosi {0:F2}", listOfNumbers.Average())));
}
private void ExpensiveComics()
{
var comics = BuildCatalog();
var values = GetPrices();
var mostExpensive = from comic in comics
where values[comic.Issue] > 500
orderby values[comic.Issue] descending
select comic;
CurrentQueryResults.Clear();
foreach (var comic in mostExpensive)
{
CurrentQueryResults.Add(
new
{
Title = $"{comic.Name} is worth {values[comic.Issue]:c}",
Image = CreateImageFromAssets("captain_amazing_250x250.jpg"),
}
);
}
}
private void LinqIsVersatile2()
{
Random random = new Random();
List <int> listOfNumbers = new List <int>();
int length = random.Next(50, 150);
for (int i = 0; i < length; i++)
{
listOfNumbers.Add(random.Next(100));
}
CurrentQueryResults.Clear();
CurrentQueryResults.Add(CreateAnonymousListViewItem(
String.Format("Dostępnych jest {0} liczb", listOfNumbers.Count())));
CurrentQueryResults.Add(
CreateAnonymousListViewItem(String.Format("Najmniejsza wartość to: {0}", listOfNumbers.Min())));
CurrentQueryResults.Add(
CreateAnonymousListViewItem(String.Format("Największa wartość to: {0}", listOfNumbers.Max())));
CurrentQueryResults.Add(
CreateAnonymousListViewItem(String.Format("Suma wartości: {0}", listOfNumbers.Sum())));
CurrentQueryResults.Add(CreateAnonymousListViewItem(
String.Format("Wartość średnia to: {0:F2}", listOfNumbers.Average())));
}
private void LinqIsVersatile2()
{
var random = new Random();
var listOfNumbers = new List <int>();
var length = random.Next(50, 150);
for (var i = 0; i < length; i++)
{
listOfNumbers.Add(random.Next(100));
}
CurrentQueryResults.Clear();
CurrentQueryResults.Add(
CreateAnonymousListViewItem($"There are {listOfNumbers.Count} numbers"));
CurrentQueryResults.Add(
CreateAnonymousListViewItem($"The smallest is {listOfNumbers.Min()}"));
CurrentQueryResults.Add(
CreateAnonymousListViewItem($"The biggest is {listOfNumbers.Max()}"));
CurrentQueryResults.Add(
CreateAnonymousListViewItem($"The sum is {listOfNumbers.Sum()}"));
CurrentQueryResults.Add(
CreateAnonymousListViewItem($"The average is {listOfNumbers.Average():F2}"));
}
private void ExpensiveComics()
{
IEnumerable <Comic> comics = BuildCatalog();
Dictionary <int, decimal> values = GetPrices();
var mostExpensive = from comic in comics
where values[comic.Issue] > 500
orderby values[comic.Issue] descending
select comic;
CurrentQueryResults.Clear();
foreach (Comic comic in mostExpensive)
{
CurrentQueryResults.Add(
new
{
Title = String.Format("{0} is worth {1:c}",
comic.Name, values[comic.Issue]),
Image = CreateImageFromAssets(@"F:\Programs\IT\Programming Language\C#\hfcs\chap14\LinqSplitApp\captain_amazing_250x250.jpg"),
}
);
}
}