VB.NET ASP.NET PadLeft Source Code | PadLeft Example Syntax

Posted by on Saturday, March 5, 2011 · Leave a Comment 

PadLeft Example Syntax VB.NET ASP.NET | PadLeft | Source Code

Summary: – Illustrates using with in VB.NET ASP.NET.

 *** 1. Download Source Code *** 
VB.NET Syntax StringManipulation PadLeft download Download Source Code for All VB ASP.NET Examples in One Project – source code for hundreds of VB.NET ASP.NET examples neatly organized in a single project. Check back often to download the latest version of the project with even more code samples.

 *** 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”
TextBox1.Text = strPadLeftExampleA.PadLeft(35)
TextBox2.Text = strPadLeftExampleB.PadLeft(35)
TextBox3.Text = strPadLeftExampleC.PadLeft(35)

 *** 4. PadLeft – Full Example *** 

PadLeft Example Output Screenshot


VB.NET Syntax StringManipulation PadLeft screenshot


Step 1: Click on Visual Basic to Cut-n-paste code into PadLeft.aspx.vb

Imports System
Imports System.IO
Imports System.Data
 
 
 
 
' This example is from http://idealprogrammer.com
' It shows how you can use Pad syntax in VB.NET ASP.NET
'****************************************************************************************
' 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"
' TextBox1.Text = strPadLeftExampleA.PadLeft(35)
' TextBox2.Text = strPadLeftExampleB.PadLeft(35)
' TextBox3.Text = strPadLeftExampleC.PadLeft(35)
'
'****************************************************************************************
 
Partial Class _PadLeft
    Inherits System.Web.UI.Page
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
 
        Label1.Text = "Example #1: PadLeft(totalWidth [, paddingCharacter]) "
 
        Dim strPadLeftExampleA As String = "This is a test string"
        Dim strPadLeftExampleB As String = "short"
        Dim strPadLeftExampleC As String = "longer"
 
 
        TextBox1.Text = "start" + strPadLeftExampleA.PadLeft(35, ".")
        TextBox2.Text = "start" + strPadLeftExampleB.PadLeft(35, ".")
        TextBox3.Text = "start" + strPadLeftExampleC.PadLeft(35, ".")
 
 
    End Sub
End Class

Step 2: Click on XML to Cut-n-paste code into PadLeft.aspx

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="PadLeft.aspx.vb" Inherits="_PadLeft" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox1" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label2" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox2" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label3" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox3" runat="server"></asp:textbox><br />
 
 
 
    </div>
    </form>
</body>
</html>

Prerequistes:

  1. Install Visual Web Developer 2010
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

VB.NET ASP.NET Syntax StringManipulation PadLeft
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select Visual Basic for Language
    • name of Web Site could be VBNET_ASPNET_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 Web Form Named PadLeft to StringManipulation folder
    • Right-click StringManipulation folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be PadLeft
  5. Click on Visual Basic in step 1 at the top of this page to copy code into code-behind PadLeft.aspx.vb
  6. Click on XML in step 2 above to copy code into web form PadLeft.aspx
  7. Right-click on PadLeft.aspx in solution explorer and select view in browser

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