VB.NET Chars() – Code Sample Syntax Example
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VB.NET Chars Example – Code Sample Syntax
Abstract: – Illustrates using VB.NET Chars Code Example.
*** 2. Chars Syntax ***
Purpose:
Gets the character at the specified index – index is 0 based
Syntax:
myString.Chars(index)
Parameters |
Description |
myString |
string
|
index |
valid numeric expression
|
Result Data Type |
Description |
Char |
returns the charater at the specified index
|
*** 3. Chars – Quick Example ***
|
Dim strCharsExample As String = “ABC”
Console.WriteLine(strCharsExample.Chars(1)) ‘ Returns B
|
*** 4. Chars – Full Example ***
Chars Example Output Screenshot
Step 1: Click Visual Basic to Cut-n-paste code into clsChars.vb
Public Class clsChars
Public Sub Main()
'****************************************************************************************
' Purpose: Gets the character at the specified index - index is 0 based
'
' Syntax: myString.Chars(index)
'
' Parameter1: myString - string
'
' Parameter2: index - valid numeric expression
'
' Result: Char - returns the charater at the specified index
'
' *********************************************************
'
' Quick Example: Dim strCharsExample As String = "ABC"
' Console.WriteLine(strCharsExample.Chars(1)) ' Returns B
'
'****************************************************************************************
'****************************************************************************************
' Example #1: Chars(index)
' Gets the character at the specified index - index is 0 based
'****************************************************************************************
Console.WriteLine("Example #1: Chars(index) ")
Dim strCharsExample As String = "ABC"
' Return Uppercase
Console.WriteLine(strCharsExample.Chars(1)) ' Returns B
'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 clsChars
Public Sub Main()
'****************************************************************************************
' Purpose: Gets the character at the specified index - index is 0 based
'
' Syntax: myString.Chars(index)
'
' Parameter1: myString - string
'
' Parameter2: index - valid numeric expression
'
' Result: Char - returns the charater at the specified index
'
' *********************************************************
'
' Quick Example: Dim strCharsExample As String = "ABC"
' Console.WriteLine(strCharsExample.Chars(1)) ' Returns B
'
'****************************************************************************************
'****************************************************************************************
' Example #1: Chars(index)
' Gets the character at the specified index - index is 0 based
'****************************************************************************************
Console.WriteLine("Example #1: Chars(index) ")
Dim strCharsExample As String = "ABC"
' Return Uppercase
Console.WriteLine(strCharsExample.Chars(1)) ' Returns B
'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 myclsChars As New clsChars
myclsChars.Main()
End Sub
End Module |
Module Module1
Sub Main()
Dim myclsChars As New clsChars
myclsChars.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 clsChars to StringManipulation folder
- Right-click StringManipulation folder;
- add new item;
- Select class
- Class name could be clsChars
- Click on Visual Basic in code in step 1 above to copy code into clsChars.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
|