I am trying to make my sprite show up as an image from a card database.

Card Database.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class CardDatabase : MonoBehaviour
{
    public static List<Card> cardList = new List<Card>();

    private void Awake()
    {
        cardList.Add(new Card(0, "Apple", 1, 1, 1, Resources.Load<Sprite>("111b")));
        cardList.Add(new Card(1, "So", 1, 1, 2, Resources.Load<Sprite>("112b")));
    }
}

Display Card.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;

public class DisplayCard : MonoBehaviour
{
    public List<Card> displayCard = new List<Card>();
    public int displayId;

    public int id;
    public string cardName;
    public int speed;
    public int attack;
    public int defense;
    public Sprite spriteImage;

    public Text nameText;
    public Text speedText;
    public Text attackText;
    public Text defenseText;
    public Image artImage;


    // Start is called before the first frame update
    void Start()
    {
        displayCard[0] = CardDatabase.cardList[displayId];
    }

    // Update is called once per frame
    void Update()
    {
        id = displayCard[0].id;
        cardName = displayCard[0].cardName;
        speed = displayCard[0].speed;
        attack = displayCard[0].attack;
        defense = displayCard[0].defense;
        spriteImage = displayCard[0].spriteImage;


        nameText.text = " " + cardName;
        speedText.text = " " + speed;
        attackText.text = " " + attack;
        defenseText.text = " " + defense;
        artImage.sprite = spriteImage;
    }
}

I solved it

void Start()
{
    displayCard[0] = CardDatabase.cardList[displayId];
    rend = GetComponent<Image>();
}

// Update is called once per frame
void Update()
{
    id = displayCard[0].id;
    cardName = displayCard[0].cardName;
    speed = displayCard[0].speed;
    attack = displayCard[0].attack;
    defense = displayCard[0].defense;
    imageName = displayCard[0].imageName;
    spriteImage = Resources.Load<Sprite>(imageName);
    rend.sprite = spriteImage;

    nameText.text = " " + cardName;
    speedText.text = " " + speed;
    attackText.text = " " + attack;
    defenseText.text = " " + defense;
    rend.sprite = spriteImage;
}