C-Sharp Left Example | ASP.NET C# Left Syntax | Source Code

Posted by on Friday, April 1, 2011 · Leave a Comment 

C-Sharp Left Example | ASP.NET C# Left Syntax | Source Code

Purpose: – Here is a that illustrates the .


View Other C-Sharp ASP.NET Source Code Examples ยป



Step 1: Click on C# to Cut-n-paste code into Left.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
 
// This example is from http://idealprogrammer.com
// It shows how you can use Left syntax in C-Sharp 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.
//****************************************************************************************
 
 
public partial class StringManipulation_Left : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: 	Left(str As String, Length As Integer) As String ";
 
        Label2.Text = "Ideal Programmer".Substring(0, 5); // Returns Ideal
 
    }
}

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

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="Left.aspx.cs" Inherits="StringManipulation_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>

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:

CS Syntax String Manipulation Left
CS Syntax String Manipulation Left
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select C-Sharp for Language
    • name of Web Site could be CSharp_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 Left.aspx 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 Left.aspx
  5. Click on C-Sharp in step 1 at the top of this page to copy code into web form Left.aspx
  6. Click on XML in step 2 above to copy code into code-behind Left.aspx.cs
  7. Right-click on Left.aspx in solution explorer and select view in browser

Filed under Code Samples · Tagged with , , , , , ,