VB.NET ToLower() – Code Sample
Posted by asp.net videos on Sunday, February 13, 2011 · Leave a Comment
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VB.NET ToLower Example – Code Sample Syntax
Abstract: – Illustrates using VB.NET ToLower Code Example.
*** 2. ToLower Syntax ***
Purpose:
Returns a string or character in lowercase.
Syntax:
strToBeLowered.ToLower
Parameters |
Description |
strToBeLowered |
Required – string to be converted to lowercase
|
Result Data Type |
Description |
string |
Returns a string or character in lowercase.
|
*** 3. ToLower – Quick Example ***
|
Dim strToLowerExample As String = “This is a test string”
Return Lowercase
Console.WriteLine(strToLowerExample.ToLower)
|
*** 4. ToLower – Full Example ***
ToLower Example Output Screenshot
Step 1: Click Visual Basic to Cut-n-paste code into clsToLower.vb
Public Class clsToLower
Public Sub Main()
'****************************************************************************************
' Purpose: Returns a string or character in lowercase.
'
' Syntax: strToBeLowered.ToLower
'
' Parameter1: strToBeLowered - Required - string to be converted to lowercase
'
' Result: string - Returns a string or character in lowercase.
'
' Quick Example: Dim strToLowerExample As String = "This is a test string"
' Return Lowercase
' Console.WriteLine(strToLowerExample.ToLower)
'
'****************************************************************************************
'****************************************************************************************
' Example #1: ToLower
' Returns the string in Lowercase
'****************************************************************************************
Console.WriteLine("Example #1: ToLower")
Dim strToLowerExample As String = "This is a test string"
' Return Lowercase
Console.WriteLine(strToLowerExample.ToLower)
'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 |
Public Class clsToLower
Public Sub Main()
'****************************************************************************************
' Purpose: Returns a string or character in lowercase.
'
' Syntax: strToBeLowered.ToLower
'
' Parameter1: strToBeLowered - Required - string to be converted to lowercase
'
' Result: string - Returns a string or character in lowercase.
'
' Quick Example: Dim strToLowerExample As String = "This is a test string"
' Return Lowercase
' Console.WriteLine(strToLowerExample.ToLower)
'
'****************************************************************************************
'****************************************************************************************
' Example #1: ToLower
' Returns the string in Lowercase
'****************************************************************************************
Console.WriteLine("Example #1: ToLower")
Dim strToLowerExample As String = "This is a test string"
' Return Lowercase
Console.WriteLine(strToLowerExample.ToLower)
'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 myclsToLower As New clsToLower
myclsToLower.Main()
End Sub
End Module |
Module Module1
Sub Main()
Dim myclsToLower As New clsToLower
myclsToLower.Main()
End Sub
End Module
Prerequistes:
- Install Visual Basic (Express or Standard Edition)
- Install SQL Server Express
- Download Northwind and pubs Database
- Attach Northwind Database to Databases in Sql Express
- 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:
- Use Visual Basic 2010 Express or Standard Edition
- Create new project;
- Click File/New Project
- Select Console Application Template
- Select Visual Basic for Language
- name of project could be VBNET_Syntax.
- Add New folder named “StringManipulation”
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: StringManipulation
- Add Class Named clsToLower to StringManipulation folder
- Right-click StringManipulation folder;
- add new item;
- Select class
- Class name could be clsToLower
- Click on Visual Basic in code in step 1 above to copy code into clsToLower.vb
- Click on Visual Basic in code in step 2 above to copy code into Module1.vb
- Click green arrow or press F5 to run program
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