Introduction
In this article I explain how to convert a number using decimal to a number using hexadecimal in Windows Store App. So here I will describe both decimal and hexadecimal numbers and some character values of Unicode.
Decimal Number: A number expressed using a base 10 numbering system using digits from 0 to 9.
Hexadecimal Number : A number expressed using a base 16 numbering system using digits from 0 to 9 and A to F.
Where A=10, B=11, C=12, D=13, E=14 and F=15.
Conversion Example: suppose you want to convert number expressed as decimal 500 to hexadecimal. Then use the following procedure:
Step 1 :500/16 Then Remainder=4 , Quotient=31
Step 2 : 31/16 Then Remainder=15 , Quotient=1
Step 3 : 1/16 Then Remainder=1 , Quotient =0
Hence the equivalent in hexadecimal = 4F1. Because F=15.
Now understand some character values of Unicode that are needed to understand this conversion.
Unicode Value of Character 0=48
Unicode Value of Character 1=49
Unicode Value of Character 2=50
Unicode Value of Character 3=51
Unicode Value of Character 4=52
Unicode Value of Character 5=53
Unicode Value of Character 6=54
Unicode Value of Character 7=55
Unicode Value of Character 8=56
Unicode Value of Character 9=57 and
Unicode Value of Character A=65
Unicode Value of Character B=66
Unicode Value of Character C=67
Unicode Value of Character D=68
Unicode Value of Character E=69
Unicode Value of Character F=70
Use the following procedure to create it.
Step 1
First of all you must create a new Windows Store Application.
Open Visual Studio 2012
"File" -> "New" -> "Project..."
Choose "Template" -> "Visual C#" -> "Window Store app"
Choose "Blank App (XAML)" then rename the application
![new-windows-store-app.jpg]()
Step 2
Write the following XAML code in "Mainpage.Xaml" (that is available in Solution Explorer):
<Page
x:Class="binding_app.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:binding_app"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">
<Grid Background="red">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="313*"/>
<ColumnDefinition Width="254*"/>
<ColumnDefinition Width="788*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="78*"/>
<RowDefinition Height="49*"/>
<RowDefinition Height="37*"/>
<RowDefinition Height="40*"/>
<RowDefinition Height="39*"/>
<RowDefinition Height="525*"/>
</Grid.RowDefinitions>
<TextBlock Text="Decimal to hexadecimal Converter app" Grid.ColumnSpan="3" Grid.Row="1" Foreground="White" FontSize="20" FontFamily="Arial" TextAlignment="Center" FontWeight="ExtraBold"></TextBlock>
<TextBlock Text="Enter Decimal Number :" FontFamily="Arial" FontSize="15" Foreground="White" Grid.Column="1" Grid.Row="2" Grid.RowSpan="4" FontWeight="ExtraBold"></TextBlock>
<TextBox x:Name="textbox1" Grid.Column="2" Grid.Row="2" Width="200" HorizontalAlignment="Left" Height="20" VerticalAlignment="Top" />
<TextBlock Text="Eqivalent hexadecimal Number is " FontSize="15" Foreground="White" Grid.Column="1" Grid.Row="3" FontWeight="ExtraBold"></TextBlock>
<TextBlock x:Name="text1" FontSize="15" Foreground="White" Grid.Column="2" Grid.Row="3" Width="200" HorizontalAlignment="Left" ></TextBlock>
<Button x:Name="button1" Grid.Column="2" Grid.Row="4" Background="Yellow" Foreground="Black" Width="150" Content="Click" Click="button1_Click"></Button>
</Grid>
</Page>
Step 3
Now write the following C# code for the button within "Mainpage.Xaml.cs".
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
namespace binding_app
{
public sealed partial class MainPage : Page
{
public MainPage()
{
this.InitializeComponent();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
}
private void button1_Click(object sender, RoutedEventArgs e)
{
long decnum = 0;
int[] hexnum = new int[20];
int i = 0, r;
decnum = long.Parse(textbox1.Text);
while (decnum != 0)
{
r =(int) decnum % 16;
if (r < 10)
{
r = r + 48;
}
else
{
r = r + 55;
}
hexnum[i++] = r;
decnum = decnum / 16;
}
for (int j = i -1; j >= 0; j--)
{
text1.Text +=(char) hexnum[j];
}
}
}
}
Step 4
Now run your app.
![output-of-hexadecimal-app.jpg]()