C # Data Type learning

C # has the following data types:

Data type case and range of values:

Interface:

When you select int:

When Long is selected:

When float is selected:

When Double is selected:

When decimal is selected:

When string is selected:

When Char is selected:

When BOOL is selected:

The source code is as follows:

Using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

Namespace SECONDWPF
{
<summary>
The interactive logic of MainWindow.xaml
</summary>
public partial class Mainwindow:window
{
Public MainWindow ()
{
InitializeComponent ();
}

private void Listbox_selectionchanged (object sender, SelectionChangedEventArgs e)
{

}

        private void Button_Click (object sender, RoutedEventArgs e)
          {
              Close (); Quit System
        }

When the Quit key is pressed

        private void listboxitem_selected (object sender, RoutedEventArgs e)
         {
              int variable,intmax,intmin;
             variable = 42;
             intmax = (int) Math.pow (2, 32)-1;
             intmin = (int) Math.pow (-2, 32);
             value.text = variable. ToString ();
             down.text = intmin.tostring ();
             uper.text = intmax.tostring ();
        }

private void List1_selected (object sender, RoutedEventArgs e)
{
Long Longmax, longmin,variable;
variable = 42L;

Longmax = (Long) Math.pow (2, 63)-1;
Longmin = (long) Math.pow (-2, 63);
Value.text = variable. ToString ();
Down.text = Longmax.tostring ();
Uper.text = Longmin.tostring ();
}

private void List2_selected (object sender, RoutedEventArgs e)
{
float variable;
String Floatmax, Floatmin;
variable = 0.42f;
Floatmax = "(+-) 1.5*10^45";
Floatmin = "(+-) 3.4 * 10 ^ 45";
Value.text = variable. ToString ();
Down.text = Floatmax;
Uper.text = Floatmin;
}

private void List3_selected (object sender, RoutedEventArgs e)
{
Double variable;
String Doublemax;
String doublemin;
variable = 0.43;
Doublemax = "+-5.0*10^-324";
Doublemin = "+-1.7*10^308";
Value.text = variable. ToString ();
Down.text = Doublemax;
Uper.text = Doublemin;

}

private void List4_selected (object sender, RoutedEventArgs e)
{
Decimal coin;
String Decimalmax, Decimalmin;
coin = 0.42M;
Decimalmax = "+-1.0*10^-28";
Decimalmin = "+-7.9*10^28";
Value.text = coin. ToString ();
Down.text = Decimalmax.tostring ();
Uper.text = Decimalmin.tostring ();
}

private void List5_selected (object sender, RoutedEventArgs e)
{
String Vest;
Vest = "Hello!" ";
Value.text = Vest;
Down.text = "NULL";
Uper.text = "NULL";
}

private void List6_selected (object sender, RoutedEventArgs e)
{
Char Grill;
int Charmax, CharMin;
Grill = ' x ';
Charmax = (int) Math.pow (2, 16)-1;
CharMin = 0;
Value.text = Grill. ToString ();
Down.text = Charmin.tostring ();
Uper.text = Charmax.tostring ();
}

private void List7_selected (object sender, RoutedEventArgs e)
{
BOOL teeth;
Teeth = false;
Value.text = teeth. ToString ();
Down.text = "Ture";
Uper.text = "Flase";
}
}
}

C # Data Type learning