Lara Kannan

 public static string GetImageURL(Item currentItem)  
 {  
      string imageURL = string.Empty;  
      Sitecore.Data.Fields.ImageField imageField = currentItem.Fields["Image"];  
      if (imageField != null && imageField.MediaItem != null)  
      {  
       Sitecore.Data.Items.MediaItem image = new Sitecore.Data.Items.MediaItem(imageField.MediaItem);  
       imageURL = Sitecore.StringUtil.EnsurePrefix('/', Sitecore.Resources.Media.MediaManager.GetMediaUrl(image));  
      }  
 return imageURL;  
 }  

• He was the original author of Turbo Pascal
  
  
• The chief architect of Delphi
  
  
• Currently works for Microsoft as the lead architect of the C# programming language
  

• 2001 - Dr. Dobb's Excellence in Programming Award for his work on Turbo Pascal
  
  
• 2010 - Technical Recognition Award for Outstanding Technical Achievement for their work on the C# language
  

• Paperback: 280 pages
  
• Dreamtech Press (2009)
  
• Language: English
  
• ISBN-10: 8177229184
  

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• Paperback: 1536 pages
  
• Wrox; 1 edition (March 8, 2010)
  
• Language: English
  
• ISBN-10: 0470502258
  
• ISBN-13: 978-0470502259
  

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• Paperback: 984 pages
  
• Addison-Wesley Professional; 3 edition (March 20, 2010)
  
• Language: English
  
• ISBN-10: 0321694694
  
• ISBN-13: 978-0321694690
  

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• Paperback: 600 pages
  
• Numerical Methods, Algorithms and Tools in C# (October 10, 2009)
  
• CRC Press
  
• Language: English
  
• ISBN-10: 0849374790
  

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Convert a DataTable to a List<> using C#

// Assuming there is a DataTable called dt
List<DataRow> drlist = new List<DataRow>();

foreach (DataRow row in dt.Rows)
{
    drlist.Add((DataRow)row);
}

List<DataRow> drlist = dt.AsEnumerable().ToList();

Simplest way to Programmatically ShutDown or Restart your System using C#

private void btnShutDown_Click(object sender, EventArgs e)
{
    Process.Start("shutdown", "-s -f -t 0"); 
}

private void btnRestart_Click(object sender, EventArgs e)
{
    Process.Start("shutdown", "-r -f -t 0"); 
}

Convert a String Array to a Decimal Array using C#

static void Main(string[] args)
{
    string[] strArray = new string[] { "1164", "2213" };

    decimal d;
    decimal[] d1;

    // Check if string can be converted to decimal equivalent
    if (strArray.All(number => Decimal.TryParse(number, out d)))
    {
       d1 = Array.ConvertAll<string, decimal>(strArray, Convert.ToDecimal);
    }
}

Convert LowerCase and UpperCase to TitleCase in C#

class Program
{
static void Main(string[] args)
{
  string strLow = "lower case";
  string strT = CultureInfo.CurrentCulture.TextInfo.ToTitleCase(strLow);
  Console.WriteLine("Lower Case to Title Case: " + strT);
   
  string strCap = "UPPER CASE";
  strT = CultureInfo.CurrentCulture.TextInfo.ToTitleCase(strCap.ToLower());
  Console.WriteLine("Upper Case to Title Case: " + strT);
  Console.ReadLine();
}
}

Convert Enum to List<> using C#

class Program
{
    enum Days { Sat, Sun, Mon, Tue, Wed, Thu, Fri };

    static void Main(string[] args)
    {
        Array arr = Enum.GetValues(typeof(Days));
        List<string> lstDays = new List<string>(arr.Length);

        for (int i = 0; i < arr.Length; i++)
        {
            lstDays.Add(arr.GetValue(i).ToString());
        }
    }
}

Find Out the Image Type without Checking its Extension using C#

try
{
    Image imgUp = Image.FromFile(Server.MapPath("~/images/abc.jpg"));

    if (imgUp.RawFormat.Equals(ImageFormat.Jpeg))
        Response.Write("JPEG");

    else if (imgUp.RawFormat.Equals(ImageFormat.Gif))
        Response.Write("GIF");
}
catch (Exception ex)
{
}

Count Words and Characters in a String using C#

// Count words
MatchCollection wordColl =
    Regex.Matches(strOriginal, @"[\S]+");

Console.WriteLine(wordColl.Count.ToString());

// Count characters. White space is treated as a character
MatchCollection charColl = Regex.Matches(strOriginal, @".");
Console.WriteLine(charColl.Count.ToString());

Find Information about your Network Cards using C#

var nics = NetworkInterface.GetAllNetworkInterfaces()
       .Where(o => o.OperationalStatus == OperationalStatus.Up);

foreach (var item in nics)
{
    Response.Write(item.Description + "<br />");
    Response.Write(item.Name + "<br />");
    Response.Write(item.Speed + "<br />");
    Response.Write(item.NetworkInterfaceType + "<br /><br />");
}

Hiding a File using C#

class Program
{
    static void Main(string[] args)
    {
        try
        {
            string filePath = @"D:\Network.txt";
            FileInfo f = new FileInfo(filePath);
            f.Attributes = FileAttributes.Hidden;
            Console.WriteLine("File Hidden");
        }
        catch (Exception ex)
        {
            // handle ex
        }
    }
}

Retrieve a List of the Services Running on your Computer using C#

using System;
using System.ServiceProcess;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
         {
            try
            {
                ServiceController[] sController = 
                                          ServiceController.GetServices();
                foreach (ServiceController sc in sController)
                {
                    if (sc.Status.ToString() == "Running")
                    {
                        Console.WriteLine(sc.ServiceName);
                    }
                }
                Console.ReadLine();
            }
            catch (Exception ex)
            {
                // handle ex
            }
        }
    }
}

List the Drives on your Computer using C#?

// Add namespace System.IO;

DriveInfo[] myDrives = DriveInfo.GetDrives();

foreach (DriveInfo di in myDrives)
{                
    Console.WriteLine(di.Name);
    if (di.IsReady)
    {
        Console.WriteLine(di.TotalSize);
        Console.WriteLine(di.DriveFormat);

        Console.WriteLine(di.AvailableFreeSpace);
        Console.WriteLine(di.TotalFreeSpace);

        Console.WriteLine(di.DriveType);
        Console.WriteLine(di.VolumeLabel);
    }
}

Compare Two List of Strings in C#?

List<string> strList1 = new List<string>
{
    "Jack", "And", "Jill", "Went", "Up", "The", "Hill"
}; 

List<string> strList2 = new List<string>
{
    "Jack", "And", "Jill", "Went", "Down", "The", "Hill"
};

bool result = strList1.SequenceEqual(strList2);