Abs Example Syntax C-Sharp ASP.NET | C# Abs | Source Code

Posted by on Monday, May 16, 2011 · Leave a Comment 

Abs Example Syntax C-Sharp ASP.NET | C# Abs | Source Code

Summary: – Illustrates using with in C-Sharp ASP.NET.


View Other C-Sharp ASP.NET Math Function Examples


Purpose:
Returns the absolute value for the data type that was passed in.

Syntax:
Abs(expression)

Parameters Description
expression 1. decimal – returns decimal number
2. double – returns double-percision floating point number
3. int16 – returns 16-bit integer
4. int32 – returns 32-bit integer
5. int64 – returns 64-bit integer
6. sbyte – returns 8-bit signed integer
7. single – returns single-percision floating point number

Result Data Type Description
Depends on input 1. decimal – when input is decimal
2. double – returns double-percision floating point number
3. int16 – returns 16-bit integer
4. int32 – returns 32-bit integer
5. int64 – returns 64-bit integer
6. sbyte – returns 8-bit signed integer
7. single – returns single-percision floating point number

Quick Example
Abs(-3.4) // Returns 3.4

Step 1: Click on cs to Cut-n-paste code into Abs.aspx.cs

using System;
using System.IO;
using System.Data;
 
 
//********************************************************************************
// Purpose: Returns the absolute value for the data type that was passed in.
//
//
// Syntax: 	Abs(expression)
//
// Parameter1: expression - 1. decimal - returns decimal number
// 2. double - returns double-percision floating point number
// 3. int16 - returns 16-bit integer
// 4. int32 - returns 32-bit integer
// 5. int64 - returns 64-bit integer
// 6. sbyte - returns 8-bit signed integer
// 7. single - returns single-percision floating point number
//
// Result: Depends on input -  1. decimal - when input is decimal
// 2. double - returns double-percision floating point number
// 3. int16 - returns 16-bit integer
// 4. int32 - returns 32-bit integer
// 5. int64 - returns 64-bit integer
// 6. sbyte - returns 8-bit signed integer
// 7. single - returns single-percision floating point number
//
// Quick Example: Abs(-3.4) // Returns 3.4
//
//
//********************************************************************************
// This example is from http://idealprogrammer.com
 
 
 
 partial class _Abs : System.Web.UI.Page
{
 
    protected void Page_Load(object sender, System.EventArgs e)
    {
 
 
        Label1.Text = "Example #1: 	Abs(1.33)";
        decimal decNumber = 1.33M;
 
 
        TextBox1.Text = Math.Abs(decNumber).ToString(); // Returns 1.33
 
 
        Label2.Text = "Example #2: 	Abs(-3.4)";
 
        double douNumber = -3.4;
 
 
        TextBox2.Text = Math.Abs(douNumber).ToString(); // Returns 3.4
 
 
        Label3.Text = "Example #3: 	Abs(-0)";
 
        int Integer3 = Math.Abs(-0);
 
 
        TextBox3.Text = Math.Abs(-0).ToString(); // Returns 0
 
 
    }
 
 
}

Step 2: Click on XML to Cut-n-paste code into Abs.aspx

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="Abs.aspx.cs" Inherits="_Abs" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox1" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label2" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox2" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label3" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox3" runat="server"></asp:textbox><br />
 
 
 
    </div>
    </form>
</body>
</html>

Prerequistes:

  1. Install Visual Web Developer 2010
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

C-Sharp ASP.NET Syntax Functions MathFunctions Abs
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select C-Sharp for Language
    • name of Web Site could be CSharp_ASPNET_Syntax.
  3. Add New folder named “Functions”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: Functions
  4. Add New subfolder named “MathFunctions”
    • Right-click Functions folder in solution explorer;
    • add new folder;
    • name of folder could be: MathFunctions
  5. Add Web Form Named Abs to MathFunctions folder
    • Right-click MathFunctions folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be Abs
  6. Click on cs in step 1 at the top of this page to copy code into code-behind Abs.aspx.cs
  7. Click on XML in step 2 above to copy code into web form Abs.aspx
  8. Right-click on Abs.aspx in solution explorer and select view in browser

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