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VB.NET ASP.NET Left() Source Code Syntax Example

Description: Illustrates using Left with Source Code Syntax Example in VB.NET ASP.NET.

Example Webform Code:

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="Left.aspx.vb" Inherits="Left" %>
 
< !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:label ID="Label2" runat="server" Text="Label"></asp:label><br />
 
 
    </div>
    </form>
</body>
</html>

Example Code Behind:

Imports System
Imports System.IO
Imports System.Data
 
 
 
 
' This example is from http://idealprogrammer.com
' It shows how you can use Left syntax in VB.NET ASP.NET
'****************************************************************************************
' Purpose: Returns a string containing a specified number of characters from the left
' side of a string.
'
' Syntax: 	Left(str As String, Length As Integer) As String
'
' str - Required - String expression from which characters will be returned.
' Length - Required - Specifies number of characters to return.
'****************************************************************************************
Partial Class Left
    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: 	Left(str As String, Length As Integer) As String "
 
        Dim strLeftExample As String = "This is a test string"
 
        Label2.Text = Microsoft.VisualBasic.Left("Ideal Programmer", 5) ' Returns Ideal
 
 
    End Sub
End Class

Example Connection String: