Need expert help fixing my inventory. c#

hey there,

So I'm trying to create an inventory system, I've gotten to the point now where icons drag and drop into the inventory, but due to the fact i wish to make it both X and Y, i have the issue where once an item goes in, all slots become that item..

Can someone look at this code and help me fix it please:

[CODE]

 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 
 public class PlayerHUD : MonoBehaviour {
     
     //ActionBar
     public SpellDataBase[] ActionBar = new SpellDataBase[12];
     public List<SpellDataBase> _SpellBook = new List<SpellDataBase>();
     public ItemDataBase[] InventoryBars = new ItemDataBase[1];
     public List<ItemDataBase> _ItemList = new List<ItemDataBase>();
     private SpellDataBase DraggedSpell;
     private ItemDataBase DraggedItems;
     private ItemDataBase DraggedItems2;
     
     private int xx;
     private int yy;
 
 
     void Start () {
     CurrentScore = PlayerPrefs.GetInt("CurrentScore");
     CharactersName = PlayerPrefs.GetString("CharactersName");    
         #region Spells 
         _SpellBook.Add(new SpellDataBase.FireBall(this));
         _SpellBook.Add(new SpellDataBase.IceBall(this));
         #endregion 
     // Divide...
         #region Items
         _ItemList.Add(new ItemDataBase.Wood(this));
         _ItemList.Add(new ItemDataBase.Wheat(this));
         #endregion
         
     }
     
     void OnGUI () {
 
     //if(Triggerinventory){            
         #region Inventory
         int Inventoryx =0;    
         int _Offset = 0;
         foreach (ItemDataBase Inventory_Item in InventoryBars)
         {
 
             Texture2D icon = Resources.Load("emptyactionbutton") as Texture2D;
 
             if(Inventory_Item != null)
                 icon = Inventory_Item.icon;
 
               for(int xx = 0; xx < 5; xx++){
             for(int yy = 0; yy < 5; yy ++){        
             
             Rect Inventory_icon_rect_Items = new Rect(Screen.width/2 + ( xx * 60), 50 + (yy * 60), 60, 60);
 
             GUI.DrawTexture(Inventory_icon_rect_Items,icon);
             _Offset += 54;
 
 
             if (DraggedItems != null && Inventory_icon_rect_Items.Contains(Event.current.mousePosition) && !Input.GetButton("Fire1"))
             {
                 InventoryBars[Inventoryx] = DraggedItems;    
                 DraggedItems = null;
             }
 
             else if (DraggedItems == null && Inventory_icon_rect_Items.Contains(Event.current.mousePosition) && Input.GetButtonDown("Fire1"))
             {
                 DraggedItems = Inventory_Item;
                 InventoryBars[Inventoryx] = null;
             }
             }
             }
         
            // Inventoryx++;    
         }
     //}    
         #endregion
     
             
     
     
         // _Dragged Items
         #region Dragged Items
          if (DraggedItems != null)
         {
             Rect rec = new Rect(Event.current.mousePosition.x, Event.current.mousePosition.y, 0, 0);
             //Rect rec = mouse_pointer;
             rec.width = DraggedItems.icon.width;
             rec.x -= DraggedItems.icon.width / 2;
             rec.y -= DraggedItems.icon.height / 2;
             rec.height = DraggedItems.icon.height;
             GUI.DrawTexture(rec, DraggedItems.icon);
         }
 
         //Whenever we release the drag,"delete" the spell we are moving
         if (!Input.GetButton("Fire1"))
             DraggedItems = null;
         
         #endregion
         }
 }

[/CODE]

As you can see it basically allows the user to drag items from the item script, which is this:

[CODE]

 using UnityEngine;
 using System.Collections;
 
 public abstract class ItemDataBase  {
     private string ItemName;
     private int Value;
     private string ItemType; // This will be the type of item, this will range from, ( uncommon, common, good, rare, epic, heroic, legendary ) 
     
     
     public Texture2D icon;
     private PlayerHUD owner;
 
     
     
     
     public abstract void ItemClicked();
     
     #region Misc Items
     
     public class Wood : ItemDataBase
     {
         public Wood(PlayerHUD owner)
         {
             this.ItemName = "Wood";
             this.Value = 10;
             this.ItemType = "Common";
             this.owner = owner;
             this.icon = Resources.Load("WoodIcon") as Texture2D;
         }
 
         public override void ItemClicked()
         {
             Debug.Log(ItemName +"Value: " + Value + "Item Type: " + ItemType + "Description: " + "Smells kinda woody...");
         }
     }
 
     public class Wheat: ItemDataBase
     {
         public Wheat(PlayerHUD owner)
         {
             this.ItemName = "Wheat";
             this.ItemType = "Common";
             this.Value = 2;
             this.owner = owner;
             this.icon = Resources.Load("wheat") as Texture2D;
         }
 
         public override void ItemClicked()
         {
             Debug.Log("Some mighty fine wheat...");
         }
     }
     #endregion
     
     #region Weapons
     
     #endregion
     
     #region Armour
     
     #endregion
     
     #region Consumables
     
     #endregion
     
 }

[/CODE]

Anyways, it only works if i make inventory bars 1, which i can understand. This will make each box that item though, when i take out the for loops for xx and yy i just get a set of bars going in a straight line.. can someone tell me how i can alter this to make a loot window which can be usable to the draggeditems part etc.

Many thanks, Ice