Сортировка данных по алфавиту

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
 
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent(); 
}
Train[] trains = new Train[8];
int i = 0;
private void buttonInput_Click(object sender, EventArgs e)
{
if (i >= 7)
{
textBoxDest.Enabled = false;
textBoxNumb.Enabled = false;
textBoxTime.Enabled = false;
}
else
{
trains[i] = new Train(textBoxDest.Text, Convert.ToInt32(textBoxNumb.Text), textBoxTime.Text);
i++;
labelTrain.Text = String.Format("Поезд {0}", i+1);
}
textBoxDest.Text = "";
textBoxNumb.Text = "";
textBoxTime.Text = "";
}
 
private void buttonSnS_Click(object sender, EventArgs e)
{
textBoxShow.Text = "";
Array.Sort(trains, delegate(Train t1, Train t2) { return t1.Name.CompareTo(t2.Name); });
foreach (Train t in trains)
{
textBoxShow.Text += t.ToString();
textBoxShow.Text += Environment.NewLine;
}
}
 
private void buttonSbT_Click(object sender, EventArgs e)
{
textBoxSResult.Text = "";
string timeforsearch = textBoxSearch.Text;
bool found = false;
foreach (Train t in trains)
{
if (timeforsearch == t.Date)
{
textBoxSResult.Text = t.ToString();
found = true;
break;
}
}
if (!found)
{
textBoxSResult.Text = "Поезд не найден";
}
}
 
private void labelDest_Click(object sender, EventArgs e)
{
 
}
 
}
public struct Train : IComparable //Структура "Поезд"
{
private string name;
private int number;
private string date;
 
public Train(string name, int number, string date) // конструктор с параметром
{
this.name = name;
this.number = number;
this.date = date;
}
// методы получения полей name, number, date
public string Name
{
get
{
return this.name;
}
}
 
public int Number
{
get
{
return this.number;
}
}
 
public string Date
{
get
{
return this.date;
}
}
public int CompareTo(object obj) // преобразование время в объекты
{
Train a = (Train)obj;
return this.date.CompareTo(a.date);
}
 
public override string ToString()// переопределяет зниечие nL, переобразовуя в строчку 
{
return String.Format("Название пункта назначения {3}{0}{3}" + "Номер поезда {3}{1}{3}" + "Время отправления {3}{2}{3}", name, number, date, Environment.NewLine);
}
}
}

private void buttonSnS_Click(object sender, EventArgs e)
{
    textBoxShow.Clear();
    Array.Sort(trains,(x, y) => String.Compare(x.Name, y.Name, StringComparison.CurrentCulture));
    textBoxShow.Text = string.Join(Environment.NewLine, trains.Select(x => x.Name));
}