December 26, 2010

Code Snippets in C# Useful for Beginners

1.)Below Is the Code Snippet To reverse The String

public static string ReverseString(string s)
        char[] arr = s.ToCharArray();
        return new string(arr);

2.)Add The numbers Entered in a TextBox as String
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">

<html xmlns="" >
<head runat="server">
    <title>Untitled Page</title>
    <form id="form1" runat="server">
        <asp:TextBox ID="txtInputArray" runat="server"></asp:TextBox><br />
         <asp:Button ID="btnSum" runat="server" Text="SUM" OnClick="btnSum_Click" />

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
    protected void Page_Load(object sender, EventArgs e)

    protected void btnSum_Click(object sender, EventArgs e)
        int result=AddNumbers(txtInputArray.Text);


    public int AddNumbers(string str)
        char[] Arr = str.ToCharArray();
        int ArrayLen = Arr.Length;
        int result = 0;

        for (int i = 0; i < ArrayLen; i++)

            result = result + int.Parse (Arr[i].ToString ());

        return result;


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