Tuples in C#

Vijay Prativadi
12y
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Blog

Introduction

Today, in this blog let's play around with one of the interesting and most useful concept in C#.

Question: What are tuples?

In simple terms "It provides flexibility to define individual tuple items with significant type."

Step 1: Create a new webform project

Step 2: The complete code of webform1.aspx looks like this

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="TuplesApp.WebForm1" %>

<!DOCTYPE html>

</head>

<body>

<div>

<table>

<tr>

<asp:Label ID="Label1" runat="server" Text="Arithmetic Operations with Tuples in C#"

Font-Bold="true" Font-Size="Large" Font-Names="Verdana" ForeColor="Maroon"></asp:Label>

</td>

</tr>

<tr>

<td>

<asp:Label ID="Label6" runat="server" Text="Please Enter FirstNumber" Font-Size="Large"

Font-Names="Verdana" Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox4" runat="server"></asp:TextBox>

</td>

</tr>

<tr>

<td>

<asp:Label ID="Label2" runat="server" Text="Please Enter SecondNumber" Font-Size="Large"

Font-Names="Verdana" Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

</td>

</tr>

<tr>

<asp:Button ID="Button1" runat="server" Text="Addition" Font-Names="Verdana" Width="213px"

BackColor="Orange" Font-Bold="True" OnClick="Button1_Click" />

</td>

</tr>

<tr>

<asp:Button ID="Button2" runat="server" Text="Substraction" Font-Names="Verdana"

Width="213px" BackColor="Orange" Font-Bold="True" OnClick="Button2_Click" />

</td>

</tr>

<tr>

<asp:Button ID="Button3" runat="server" Text="Multiplication" Font-Names="Verdana"

Width="213px" BackColor="Orange" Font-Bold="True" OnClick="Button3_Click" />

</td>

</tr>

<tr>

<asp:Button ID="Button4" runat="server" Text="Division" Font-Names="Verdana" Width="213px"

BackColor="Orange" Font-Bold="True" OnClick="Button4_Click" />

</td>

</tr>

<tr>

<asp:Label ID="Label5" runat="server" Font-Bold="true" Font-Names="Verdana"></asp:Label>

</td>

</tr>

</table>

</div>

</center>

</form>

</body>

</html>

Step 3: The complete code of webform1.aspx.cs looks like this

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

namespace TuplesApp

{

public partial class WebForm1 : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

TextBox4.Focus();

}

protected void Button1_Click(object sender, EventArgs e)

{

if (string.IsNullOrEmpty(TextBox4.Text) || string.IsNullOrEmpty(TextBox1.Text))

{

Label5.Text = "Please Enter Some Values"; Label5.ForeColor = System.Drawing.Color.Red;

}

else

{

Tuple<double, double> additionType = new Tuple<double, double>(double.Parse(TextBox4.Text), double.Parse(TextBox1.Text));

Label5.Text = "Addition Result is " + (additionType.Item1 + additionType.Item2).ToString();

Label5.ForeColor = System.Drawing.Color.Green;

TextBox1.Text = string.Empty; TextBox4.Text = string.Empty;

}

protected void Button2_Click(object sender, EventArgs e)

{

if (string.IsNullOrEmpty(TextBox4.Text) || string.IsNullOrEmpty(TextBox1.Text))

{

Label5.Text = "Please Enter Some Values";

Label5.ForeColor = System.Drawing.Color.Red;

}

else

{

Tuple<double, double> substractionType = new Tuple<double, double>(double.Parse(TextBox4.Text), double.Parse(TextBox1.Text));

Label5.Text = "Substraction Result is " + (substractionType.Item1 - substractionType.Item2).ToString();

Label5.ForeColor = System.Drawing.Color.Green;

TextBox1.Text = string.Empty;

TextBox4.Text = string.Empty;

}

protected void Button3_Click(object sender, EventArgs e)

{

if (string.IsNullOrEmpty(TextBox4.Text) || string.IsNullOrEmpty(TextBox1.Text))

{

Label5.Text = "Please Enter Some Values"; Label5.ForeColor = System.Drawing.Color.Red;

}

else

{

Tuple<double, double> multiplicationType = new Tuple<double, double>(double.Parse(TextBox4.Text), double.Parse(TextBox1.Text));

Label5.Text = "Multiplication Result is " + (multiplicationType.Item1 * multiplicationType.Item2).ToString();

Label5.ForeColor = System.Drawing.Color.Green; TextBox1.Text = string.Empty; TextBox4.Text = string.Empty;

}

protected void Button4_Click(object sender, EventArgs e)

{

if (string.IsNullOrEmpty(TextBox4.Text) || string.IsNullOrEmpty(TextBox1.Text))

{

Label5.Text = "Please Enter Some Values"; Label5.ForeColor = System.Drawing.Color.Red;

}

else

{

Tuple<double, double> divisionType = new Tuple<double, double>(double.Parse(TextBox4.Text), double.Parse(TextBox1.Text));

Label5.Text = "Division Result is " + (divisionType.Item1 / divisionType.Item2).ToString();

Label5.ForeColor = System.Drawing.Color.Green;

TextBox1.Text = string.Empty;

TextBox4.Text = string.Empty;

}

Step 4: The output of the application looks like this

Step 5: The addition operation output of the application looks like this

I hope this blog is useful for you

Tuples in C#

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