Abs Example Syntax VB.NET ASP.NET | Abs | Source Code
Abs Example Syntax VB.NET ASP.NET | Abs | Source Code
Summary: – Illustrates using Abs with Source Code Syntax Example in VB.NET ASP.NET.
Purpose:
Returns the absolute value for the data type that was passed in.
Syntax:
Abs(expression)
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 |
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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 |
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Quick Example | Abs(-3.4) ‘ Returns 3.4 |
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Step 1: Click on Visual Basic to Cut-n-paste code into Abs.aspx.vb
Imports System Imports System.IO Imports System.Data Imports System.Math '******************************************************************************** ' 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 Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Label1.Text = "Example #1: Abs(1.33)" Dim decNumber As Decimal = 1.33 TextBox1.Text = Abs(decNumber) ' Returns 1.33 Label2.Text = "Example #2: Abs(-3.4)" Dim douNumber As Double = -3.4 TextBox2.Text = Abs(douNumber) ' Returns 3.4 Label3.Text = "Example #3: Abs(-0)" Dim Integer3 As Integer = Abs(-0) TextBox3.Text = Abs(-0) ' Returns 0 End Sub End Class |
Step 2: Click on XML to Cut-n-paste code into Abs.aspx
< %@ Page Language="VB" AutoEventWireup="false" CodeFile="Abs.aspx.vb" 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:
- Install Visual Web Developer 2010
- Install SQL Server Express
- Download Northwind and Pubs Databases
- Attach Northwind Database to Databases in Sql Express
- 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:
- Use Visual Web Developer 2010
- Create new web site;
- Click File/New Web Site
- Select ASP.NET Website Template
- Select Visual Basic for Language
- name of Web Site could be VBNET_ASPNET_Syntax.
- Add New folder named “Functions”
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: Functions
- Add New subfolder named “MathFunctions”
- Right-click Functions folder in solution explorer;
- add new folder;
- name of folder could be: MathFunctions
- 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
- Click on Visual Basic in step 1 at the top of this page to copy code into code-behind Abs.aspx.vb
- Click on XML in step 2 above to copy code into web form Abs.aspx
- Right-click on Abs.aspx in solution explorer and select view in browser