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# Convert Decimal Number to Binary Number in Windows Store App

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Introduction

In this article I explain how to convert a decimal number into a binary number. So let us first of all understand about binary and decimal numbers.

Binary Number: A number expressed using a base 2 numbering system using the digits 0 and 1.

Decimal Number: A number expressed using a base 10 numbering system using digits from 0 to 9.

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

Step 2

Write the following XAML code in "Mainpage.Xaml" (that is available in Solution Explorer):

<Page

x:Class="decimal_to_binary_converter_app.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:decimal_to_binary_converter_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 Binary Converter app" Grid.ColumnSpan="3" Grid.Row="1" Foreground="White" FontSize="20" FontFamily="Arial" TextAlignment="Center"></TextBlock>

<TextBlock Text="Enter Decimal Number :" FontFamily="Arial" FontSize="15" Foreground="White" Grid.Column="1" Grid.Row="2" Grid.RowSpan="4"></TextBlock>

<TextBox x:Name="textbox1" Grid.Column="2" Grid.Row="2" Width="200" HorizontalAlignment="Left" />

<TextBlock Text="Eqivalent Binary Number of Decimal" FontSize="15" Foreground="White" Grid.Column="1" Grid.Row="3"></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;

namespace decimal_to_binary_converter_app

{

public sealed partial class MainPage : Page

{

public MainPage()

{

this.InitializeComponent();

}

{

}

private void button1_Click(object sender, RoutedEventArgs e)

{

int decnum = 0, i=1;

text1.Text ="";

decnum = Convert.ToInt32(textbox1.Text);

int[] binum = new int[25];

while (decnum != 0)

{

binum[i++] = decnum % 2;

decnum = decnum / 2;

}

for (int j= i-1 ; j > 0; j--)

{

text1.Text += binum[j].ToString();

}

}

}

}

Step 4