VB.NET PadLeft() – Code Sample

Posted by on Saturday, February 12, 2011 · Leave a Comment 

VB.NET PadLeft Example – Code Sample Syntax

Abstract: – Illustrates using .

 *** 1. Download Source Code *** 
VB.NET Syntax StringManipulation PadLeft download Download Source Code for All VB Console Examples in One Project

 *** 2. PadLeft Syntax *** 


Purpose:
Returns a string that is right-aligned and padded on
left with character specified. If no padddingCharacter is specified,
space is used. totalWidth is total width of column
This allows you to create a nice straight column even though lengths of text vary.


Syntax:
PadLeft(totalWidth [, paddingCharacter])

Parameters Description
totalWidth Required – Integer representing total column width
paddingCharacter Optional – If no paddingCharacter is specified,
space is used

Result Data Type Description
string Returns a string that is right-aligned and padded on
left with character specified. If no padddingCharacter is specified,
space is used. totalWidth is total width of column
This allows you to create a nice straight column even though lengths of text vary.


 *** 3. PadLeft – Quick Example *** 
Dim strPadLeftExampleA As String = “This is a test string”
Dim strPadLeftExampleB As String = “short”
Dim strPadLeftExampleC As String = “longer”
‘ PadLeft “simple” before “test”
Console.WriteLine(strPadLeftExampleA.PadLeft(35))
Console.WriteLine(strPadLeftExampleB.PadLeft(35))
Console.WriteLine(strPadLeftExampleC.PadLeft(35))

 *** 4. PadLeft – Full Example *** 

PadLeft Example Output Screenshot


VB.NET Syntax StringManipulation PadLeft screenshot


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

Public Class clsPadLeft
 
    Public Sub Main()
 
        '****************************************************************************************
        ' Purpose:  Returns a string that is right-aligned and padded on 
        ' left with character specified. If no padddingCharacter is specified, 
        ' space is used. totalWidth is total width of column
        ' This allows you to create a nice straight column even though lengths of text vary.
        '
        ' Syntax: 	PadLeft(totalWidth [, paddingCharacter])
        '
        ' Parameter1: totalWidth - Required - Integer representing total column width
        '
        ' Parameter2: paddingCharacter - Optional - If no paddingCharacter is specified,
        ' space is used
        '
        ' Result: string -  Returns a string that is right-aligned and padded on 
        ' left with character specified. If no padddingCharacter is specified, 
        ' space is used. totalWidth is total width of column
        ' This allows you to create a nice straight column even though lengths of text vary.
        '
        ' Quick Example:     Dim strPadLeftExampleA As String = "This is a test string"
        ' Dim strPadLeftExampleB As String = "short"
        ' Dim strPadLeftExampleC As String = "longer"
        '' PadLeft "simple" before "test"
        ' Console.WriteLine(strPadLeftExampleA.PadLeft(35))
        ' Console.WriteLine(strPadLeftExampleB.PadLeft(35))
        ' Console.WriteLine(strPadLeftExampleC.PadLeft(35))
        '
        '****************************************************************************************
 
        '****************************************************************************************
        ' Example #1: PadLeft(totalWidth [, paddingCharacter])
        ' Returns a string that is right-aligned and padded on left with character specified.
        ' If no padddingCharacter is specified, space is used. totalWidth is total width of column
        ' This allows you to create a nice straight column even though lengths of text vary.
        '****************************************************************************************
 
        Console.WriteLine("Example #1: PadLeft(totalWidth [, paddingCharacter]) ")
 
        Dim strPadLeftExampleA As String = "This is a test string"
        Dim strPadLeftExampleB As String = "short"
        Dim strPadLeftExampleC As String = "longer"
 
 
 
        ' PadLeft "simple" before "test"
        Console.WriteLine(strPadLeftExampleA.PadLeft(35))
        Console.WriteLine(strPadLeftExampleB.PadLeft(35))
        Console.WriteLine(strPadLeftExampleC.PadLeft(35))
 
        '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 myclsPadLeft As New clsPadLeft
        myclsPadLeft.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 PadLeft

  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 clsPadLeft to StringManipulation folder
    • Right-click StringManipulation folder;
    • add new item;
    • Select class
    • Class name could be clsPadLeft
  5. Click on Visual Basic in code in step 1 above to copy code into clsPadLeft.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

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