VB.NET Trim() – Code Sample

VB.NET Trim Example – Code Sample Syntax

Abstract: – Illustrates using .

 *** 1. Download Source Code *** 

VB.NET Syntax StringManipulation Trim download Download Source Code for All VB Console Examples in One Project – source code for hundreds of VB.NET console examples neatly organized in a single project.

 *** 2. Trim Syntax *** 


Purpose:
Returns a string with leading and trailing spaces removed.


Syntax:
Trim(value)

Parameters Description
value Required – string that you want to trim

Result Data Type Description
string Returns a string with leading and trailing spaces removed.


 *** 3. Trim – Quick Example *** 

Dim strField As String = ” This “
Console.WriteLine(“[” + Trim(strField) + “]”) ‘Returns [This] with spaces removed

 *** 4. Trim – Full Example *** 

Trim Example Output Screenshot


VB.NET Syntax StringManipulation Trim screenshot


Step 1: Click Visual Basic to Cut-n-paste code into clsTrim.vb

Public Class clsTrim
 
    Public Sub Main()
 
        '****************************************************************************************
        ' Purpose: Returns a string with leading and trailing spaces removed. 
        '
        ' Syntax: 	Trim(value)
        '
        ' Parameter1: value - Required - string that you want to trim
        '
        ' Result: string -  Returns a string with leading and trailing spaces removed.  
        '
        ' Quick Example:      Dim strField As String = " This "
        ' Console.WriteLine("[" + Trim(strField) + "]") 'Returns [This] with spaces removed
        '
        '****************************************************************************************
 
        '****************************************************************************************
        ' Example #1: Trim(value) - Returns a string with leading and trailing spaces removed.
        '****************************************************************************************
 
        Console.WriteLine("Example #1: Trim(value) ")
 
        Dim strField As String = " This "
 
        Console.WriteLine("[" + Trim(strField) + "]") 'Returns [This] with spaces removed
 
        'write blank line to make output easier to read
        Console.WriteLine()
 
 
 
        'Prevent console from closing before you press enter
        Console.ReadLine()
 
    End Sub
 
 
End Class

Step 2: Click Visual Basic to Cut-n-paste code into Module1.vb

Module Module1
 
    Sub Main()
 
 
        Dim myclsTrim As New clsTrim
        myclsTrim.Main()
 
 
 
    End Sub
 
End Module

Prerequistes:

  1. Install Visual Basic (Express or Standard Edition)
  2. Install SQL Server Express
  3. Download Northwind and pubs Database
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • Console Application is used to simplify things, but Windows Forms or Web Forms could also be used
  • You can build a library of syntax examples by using same project over and over and just commenting out what you do not want to execute in Module1.vb

Instructions:
VB.NET Syntax StringManipulation Trim

  1. Use Visual Basic 2010 Express or Standard Edition
  2. Create new project;
    • Click File/New Project
    • Select Console Application Template
    • Select Visual Basic for Language
    • name of project could be VBNET_Syntax.
  3. Add New folder named “StringManipulation”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: StringManipulation
  4. Add Class Named clsTrim to StringManipulation folder
    • Right-click StringManipulation folder;
    • add new item;
    • Select class
    • Class name could be clsTrim
  5. Click on Visual Basic in code in step 1 above to copy code into clsTrim.vb
  6. Click on Visual Basic in code in step 2 above to copy code into Module1.vb
  7. Click green arrow or press F5 to run program