Could i get assets with inheritance?

[Victoctoc]

Hi to all! i'm trying to generate a base class andafter excel data will be a child class, I created dataitem class

I configurated my Excel with this fields, and some fields are repited and i want to make a base class

Like this:

[Victoctoc]

`using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// [System.Serializable]
public class DataItem
{

[SerializeField]
string id;
public string Id { get {return id; } set { this.id = value;} }

[SerializeField]
string nameitem;
public string Nameitem { get {return nameitem; } set { this.nameitem = value;} }

[SerializeField]
string spritename;
public string Spritename { get {return spritename; } set { this.spritename = value;} }

[SerializeField]
string description;
public string Description { get {return description; } set { this.description = value;} }

[SerializeField]
float price;
public float Price { get {return price; } set { this.price = value;} }

[SerializeField]
float pprice;
public float Pprice { get {return pprice; } set { this.pprice = value;} }

[SerializeField]
float discount;
public float Discount { get {return discount; } set { this.discount = value;} }

[SerializeField]
string value;
public string Value { get {return value; } set { this.value = value;} }
}
`

I created dataitem class to simplify and use for other methods than I have. and I use inheritance

public class CreditData :DataItem
{

[SerializeField]
TypePrice typeprice;
public TypePrice TYPEPRICE { get {return typeprice; } set { this.typeprice = value;} }
[SerializeField]
string url;
public string Url { get {return url; } set { this.url = value;} }
}

but lose my inherited values and fill the field like this

Do you have any idea how to solve this to generate correct data?