Please tell me does this code is object-oriented or not?

Question

using System;

using System.Collections.Generic;

using System.Collections;

using System.Text;

using System.Threading.Tasks;

using System.Net;

namespace GrillMaster

{

/// <summary>

///  This class is main class.

/// </summary>

public class GrillMaster

{

    int GrillCapacity;

    string MenuNbr;

    int k;

    int[] BestFit;

    List<int> LstData; // Dynamic list to store the item value

    Hashtable hTable; // Hashtable to use the store item name, itemValue pairs

    /// <summary>

    /// Constructor method

    /// </summary>

    /// <param name="Capacity"></param>

    /// <param name="MenuNbr"></param>

    public GrillMaster(int Capacity, string MenuNbr)

    {

        this.GrillCapacity = Capacity;

        this.MenuNbr = MenuNbr;

        this.LstData = new List<int>(); // Dynamic list to store the item value

        this.BestFit = new int[100];

        this.hTable = new Hashtable(); // Hashtable to use the store item name, itemValue pairs

    }

    /// <summary>

    /// 

    /// </summary>

    /// <param name="NbrItm"></param>

    /// <param name="ItmVal"></param>

    /// <param name="ItmName"></param>

    public void FillList(int NbrItm, int ItmVal, string ItmName)

    {

        for (int i = 1; i <= NbrItm; i++)

        {

            LstData.Add(ItmVal);  // fill in the list data with the item value

        }

        if (!(hTable.ContainsKey(ItmName))) 

        {

            hTable.Add(ItmName,ItmVal); // if HashTable not contains the current item then add it.

        }

    }

    /// <summary>

    /// 

    /// </summary>

    public void ClearList()

    {

        this.LstData.Clear();

    }

    public void NumberOfRoundsBestFit()

    {

        int m = 0;

        bool bOK = true;

        k = 0;

        LstData.Sort();  //Sort the data

        LstData.Reverse(); // Sort the data in descending order

        BestFit[k] = GrillCapacity;

        foreach (var elm in LstData)

        {

            bOK = true;

            for (int m1 = 0; m1 <= m; m1++)

            {

                if (elm <= BestFit[m1])

                {

                    BestFit[m1] -= elm;

                    bOK = false; //if find correct empty Grill set variable to false

                    break;

                }

            }

            if (bOK)

            {

                    k++; //increase the rounds

                    BestFit[k] = GrillCapacity;  // set the initial capacity of the grill

                    BestFit[k] -= elm; //Decrease the capacity of the grill

            }

            m = k;

        }

    }

    /// <summary>

    /// 

    /// </summary>

    public void NumberOfRounds()

    {

        int Capacity = GrillCapacity; // save the capacity of Grill

        k = 0;

        LstData.Sort();  //Sort the data

        LstData.Reverse(); // Sort the data in descending order

        foreach (var elm in LstData)

        {

            if (elm <= Capacity && elm <= GrillCapacity)

                Capacity -= elm;  //Decrease the capacity of the grill

            else

            {

                k++; //increase the rounds 

                Capacity = GrillCapacity; // set the initial capacity of the grill

                Capacity -= elm; //Decrease the capacity of the grill

            }

        }

 

        foreach (DictionaryEntry entry in hTable)

   {

            Console.WriteLine("{0}, {1} ", entry.Key, entry.Value); //display on the console key and value of the HashTable

   }

 }

    /// <summary>

    /// 

    /// </summary>

public void PrintData()

    {

    Console.WriteLine("Menu "+ this.MenuNbr + ": "+ (k + 1) + " rounds.");

    }

}

    /// <summary>

    /// 

    /// </summary>

class Program

{

     static void Main(string[] args)

     

    {

        int GrilDim = 600; //Der Grill misst 20cm x 30cm

        string MenuName = "";

        int[] Items = new int[] { 100, 200, 300, 400, 200, 100 };

        string[] ItemsName = new string[] { "Fleisch1", "Fleisch2", "Fleisch3", "Fleisch4", "Fleisch2", "Fleisch1" };

  /*      Uri serviceUri = new Uri("http://grillassessment.cloudapp.net/GrillMenuService.svc");

        var serviceCreds = new NetworkCredential("[email protected]", "pasw"); var cache = new CredentialCache(); cache.Add(serviceUri, "Basic", serviceCreds);

        var service = new GrillMenu.GrillMenuContext(serviceUri)

        { Credentials = cache }; 

        foreach (var grillMenu in service.GrillMenus.Expand(g => g.GrillMenuItemQuantity))

        {

            Console.WriteLine("Menu: {0}", grillMenu.Name);

            MenuName = grillMenu.Name;

            GrillMaster TestGrill = new GrillMaster(GrilDim, MenuName);

 

            foreach (var grillMenuItemQuantity in grillMenu.GrillMenuItemQuantity) 

            { service.LoadProperty(grillMenuItemQuantity, "GrillMenuItem");

                TestGrill.FillList(1, grillMenuItemQuantity.Quantity, grillMenuItemQuantity.GrillMenuItem.Name);

                Console.WriteLine("{0} x {1}", grillMenuItemQuantity.Quantity, grillMenuItemQuantity.GrillMenuItem.Name); 

            }

   */

        

         GrillMaster TestGrill = new GrillMaster(GrilDim, MenuName);

        for(int i =0; i < Items.Length; i++)

        { 

            TestGrill.FillList(1, Items[i],ItemsName[i]);

        }

            TestGrill.NumberOfRounds();

            TestGrill.PrintData();

            TestGrill.ClearList();  // Clear the list , and prepare for the next menu!!!

            Console.WriteLine();

        //}

        Console.ReadLine();

    }

    }

}