VB.NET Remove() – Code Sample

VB.NET Remove Example – Code Sample Syntax

Abstract: – Illustrates using .

 *** 1. Download Source Code *** 

VB.NET Syntax StringManipulation Remove 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. Remove Syntax *** 


Purpose:
Returns a string with the specified number of characters
removed starting at startIndex. If no Count is specified, the
remainder of string is removed


Syntax:
Remove(startIndex[, count])

Parameters Description
startIndex Required – Integer (Zero-based) that indicates
starting point for what to remove
count Optional – Integer that specifies how many
characters should be removed. If count is not specified,
all of the characters to right of and including startIndex are removed.

Result Data Type Description
string Returns a string with the specified number of characters
removed starting at startIndex. If no Count is specified, the
remainder of string is removed.


 *** 3. Remove – Quick Example *** 

Dim strRemoveExample As String = “This is a test string”
Console.WriteLine(strRemoveExample.Remove(0,4))
‘Returns ” is a test string”

 *** 4. Remove – Full Example *** 

Remove Example Output Screenshot


VB.NET Syntax StringManipulation Remove screenshot


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

Public Class clsRemove
 
    Public Sub Main()
 
        '****************************************************************************************
        ' Purpose:  Returns a string with the specified number of characters 
        ' removed starting at startIndex. If no Count is specified, the 
        ' remainder of string is removed
        '
        ' Syntax: 	Remove(startIndex[, count])
        '
        ' Parameter1: startIndex - Required - Integer (Zero-based) that indicates
        ' starting point for what to remove
        '
        ' Parameter2: count - Optional - Integer that specifies how many 
        ' characters should be removed. If count is not specified,
        ' all of the characters to right of and including startIndex are removed.
        '
        ' Result: string -  Returns a string with the specified number of characters 
        ' removed starting at startIndex. If no Count is specified, the 
        ' remainder of string is removed.
        '
        ' Quick Example:      Dim strRemoveExample As String = "This is a test string"
        ' Console.WriteLine(strRemoveExample.Remove(0,4))
        ' 'Returns "  is a test string"
        '
        '****************************************************************************************
 
        '****************************************************************************************
        ' Example #1: Remove(startIndex, count)
        ' Returns a string with the specified number of characters removed starting at startIndex.
        ' If no Count is specified, the remainder of string is removed
        '****************************************************************************************
 
        Console.WriteLine("Example #1: Remove(startIndex, count) ")
 
        Dim strRemoveExample As String = "This is a test string"
        Dim intIndexRemove As Integer = 0
 
        ' First find position of word test
        intIndexRemove = strRemoveExample.IndexOf("test")
 
        ' Remove rest of string starting with word "test"
        Console.WriteLine(strRemoveExample.Remove(intIndexRemove))
 
        '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 myclsRemove As New clsRemove
        myclsRemove.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 Remove

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