Sell started

Assets/Game/Scripts/SellMenu.cs

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+using UnityEngine.UI;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TMPro;
+public class SellMenu : MonoBehaviour
+{
+    [Header("Labels")]
+    public TMP_Text usernameTxt;
+    public TMP_Text coinsTxt;
+    public TMP_Text gemsTxt;
+
+    [Header("Content")]
+    public Transform inventoryParent;
+    public Sprite emptySlotImage;
+    void Start()
+    {
+        Refresh();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+
+    public void Refresh(){
+        usernameTxt.text = DBmanager.username;
+        coinsTxt.text = DBmanager.Coins.ToString();
+        gemsTxt.text = DBmanager.Gems.ToString();
+
+        Button[] inventorySlots = inventoryParent.GetComponentsInChildren<Button>();
+
+        if(inventorySlots.Length < DBmanager.Inventory.Count){
+            Debug.LogError("NEED MORE SLOTS!!!");
+            return;
+        }        
+
+        for(int i =0; i < inventorySlots.Length; i++){
+            if(i < DBmanager.Inventory.Count){
+                inventorySlots[i].GetComponent<Image>().sprite =emptySlotImage;
+            }else{
+                inventorySlots[i].GetComponent<Image>().sprite = emptySlotImage;
+            }
+        }
+    }
+}