NullReferenceException was unhandled

/*
 * Created by SharpDevelop.
 * User: sams
 * Date: 3/8/2009
 * Time: 1:13 PM
 * 
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;
using MySql.Data.MySqlClient;

namespace CoEmu_v2_LoginServer.Database
{
	/// <summary>
	/// Provides MySql resource connections, for multiple connections to a single MySql database.
	/// This is due to the fact that the server is multi-threaded, so allowing a single connection would
	/// likely result in errors, or general loss of performance.
	/// </summary>
	public static class DatabaseConnection
	{
		public const string USER_NAME = "root";
		public const string PASSWORD = "admin123";
		public const string SERVER = "127.0.0.1";
		public const string DATA_BASE = "conqueremu";
		public static MySqlConnection NewConnection()
		{
			MySqlConnection C = null;
			try{
			C = new MySqlConnection("Server=" + SERVER + ";Database='" + DATA_BASE + "';Username='" + USER_NAME + "';Password='" + PASSWORD + "'");
			C.Open();
			}
			catch(Exception e)
			{
				Console.WriteLine(e.ToString());
				return null;
			}
			return C;
		}
	}
}

/*
 * Created by SharpDevelop.
 * User: sams
 * Date: 3/8/2009
 * Time: 1:10 PM
 * 
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;
using System.Data;
using MySql.Data.MySqlClient;

namespace CoEmu_v2_LoginServer.Database
{
	/// <summary>
	/// Provides connections for information retrevial from the CoEmu database, which is MySQL based.
	/// </summary>
	public static class Database
	{
		public static bool TestConnect()
		{
			MySqlConnection Connection = DatabaseConnection.NewConnection();
			if(Connection.State == ConnectionState.Open)
			{
				Connection.Close();
				Connection.Dispose();
				return true;
			}
			else
			{
				Connection.Dispose();
				return false;
			}
		}
		public static string Password(string Account)
		{
			string Password = "ERROR";
			MySqlCommand Cmd = new MySqlCommand("SELECT * FROM `accounts` WHERE `AccountID` = \"" + Account + "\"", DatabaseConnection.NewConnection());
			MySqlDataReader DR = Cmd.ExecuteReader(CommandBehavior.CloseConnection);
			while(DR.Read())
			{
				Password = Convert.ToString(DR["Password"]);
			}
			DR.Close();
			return Password;
		}
		public static void SetPass(string Account, string Pass)
		{
			MySqlCommand Cmd = new MySqlCommand("UPDATE `accounts` SET `Password` = \"" + Pass + "\" WHERE `AccountID` = \"" + Account + "\"", DatabaseConnection.NewConnection());
			Cmd.ExecuteNonQuery();
			Cmd.Connection.Close();
			Cmd.Dispose();
		}
	}
}

/*
 * Created by SharpDevelop.
 * User: sams
 * Date: 3/4/2009
 * Time: 5:35 PM
 * 
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;
using System.Threading;
using CoEmu_v2_LoginServer.Database;

namespace CoEmu_v2_LoginServer
{
	class Program
	{
		public static void Main(string[] args)
		{
			Console.WriteLine("---CoEmu v2 LoginServer - Starting up!---");
			Console.WriteLine("This program is a branch");
			Console.WriteLine("[LoginServer-Init] Starting MasterSocket Thread.");
			Connections.MasterSocket LoginSocket = new Connections.MasterSocket("LoginServer");
			new Thread(LoginSocket.AcceptNewConnections).Start();
			Console.WriteLine("[LoginServer] Init OK.");
			//Console.WriteLine("[LoginServer] TODO: CONNECT TO THE DATABASE.");
			if (Database.Database.TestConnect())
			{
				Console.WriteLine("[Database] Connection OK.");
			}
			else
			{
				Console.WriteLine("[Database] Connection FAIL.");
				LoginSocket.Close();
				Console.WriteLine("[LoginServer-End-ERROR] Mastersocket closed, thread killed.");
				Console.WriteLine("[LoginServer-End-ERROR] Server over! Bye!");
			}
			Console.WriteLine("[LoginServer] Press enter to kill the server.");
			Console.Read();
			LoginSocket.Close();
			Console.WriteLine("[LoginServer-End] Mastersocket closed, thread killed.");
			Console.WriteLine("[LoginServer-End] Server over! Bye!");
		}
	}
}