Find DataSheet using ID

using System.Collections;
using System.CollectionsGeneric;
using UnityEngine;
using UnityEngine.VI;
using System.IO;
using System.Linq;

public class InfoLookUp : MonoBehaviour
{
    string Path;
    string [] Items;
    string [] Results;
    public void GetItemList(list,id)
    {
        if (list == "Planets")
        {
            string Path = Application.StreamingAssetsPath + "/list/Planets.txt";
        }
        else if (list == "Treaties")
        {
            string Path = Application.StreamingAssetsPath + "/list/Treaties.txt";
        }
        else if (list == "Org_Groups")
        {
            string Path = Application.StreamingAssetsPath + "/list/Org_Groups.txt";
        }
        else if (list == "Loc_Groups")
        {
            string Path = Application.StreamingAssetsPath + "/list/Loc_Groups.txt";
        }
        else if (list == "People")
        {
            string Path = Application.StreamingAssetsPath + "/list/People.txt";
        }
        Items = File.ReadAllLines(Path);
        foreach( string line in Items){
            if (string.sub(line,1,1) == "{"}){
                void DataSheet = {line};
                if (DataSheet[1] == id){
                    return DataSheet;
                }
            }
        }
    }
}