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

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

Purpose: – Here is a that illustrates the .

Step 1: Click on C# to Cut-n-paste code into StrReverse.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 StrReverse syntax in C-Sharp ASP.NET
 
//****************************************************************************************
// Example #1: 	StrReverse(string) - returns a string with the characters of the 
// string in reverse order
//****************************************************************************************
 
public partial class StringManipulation_StrReverse : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "Example #1: 	StrReverse(string)  ";
 
        string strString1 = "Hello World";
 
        TextBox1.Text = SimulateStrReverse.StrReverse(strString1); //Returns dlroW olleH
 
    }
}
//----------------------------------------------------------------------------------------
//	Copyright © 2003 - 2011 Tangible Software Solutions Inc.
//	This class can be used by anyone provided that the copyright notice remains intact.
//
//	This class simulates the behavior of the classic VB 'StrReverse' function.
//----------------------------------------------------------------------------------------
public static class SimulateStrReverse
{
    public static string StrReverse(string expression)
    {
        if (expression == null || expression.Length == 0)
            return string.Empty;
 
        string reversedString = string.Empty;
        for (int charIndex = expression.Length - 1; charIndex >= 0; charIndex--)
        {
            reversedString += expression[charIndex];
        }
        return reversedString;
    }
}

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

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="StrReverse.aspx.cs" Inherits="StringManipulation_StrReverse" %>
 
< !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 />
 
    </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 StrReverse
CS Syntax String Manipulation StrReverse
  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 StrReverse.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 StrReverse.aspx
  5. Click on C-Sharp in step 1 at the top of this page to copy code into web form StrReverse.aspx
  6. Click on XML in step 2 above to copy code into code-behind StrReverse.aspx.cs
  7. Right-click on StrReverse.aspx in solution explorer and select view in browser