Use String. IsNullOrEmpty() to check null value

using System;
using System.Linq;
using System.Text;
using System.Collections;
using System.Data;
using System.Xml;
using System.IO;
using System.Diagnostics;
using System.Collections.Generic;

namespace BlogProject
{
class Program
{
static void Main(string[] args)
{
string Value = null;

if (String.IsNullOrEmpty(Value)) //Check wheather value is null or not
{
Console.WriteLine("Null");
}


Console.ReadLine();
}
}
}