VB.NET Remove() – Code Sample
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VB.NET Remove Example – Code Sample Syntax
Abstract: – Illustrates using VB.NET Remove Code Example.
*** 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
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 |
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 |
Module Module1
Sub Main()
Dim myclsRemove As New clsRemove
myclsRemove.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 clsRemove to StringManipulation folder
- Right-click StringManipulation folder;
- add new item;
- Select class
- Class name could be clsRemove
- Click on Visual Basic in code in step 1 above to copy code into clsRemove.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
|