在csv文件中写入数据，但不在c#中写入完整数据

using System;
using System.IO;

class Program
{
    static void Main()
    {
        string filePath = "data.csv";
        string[] data = { "Name", "Age", "City" };
        string[] row1 = { "Alice", "30", "New York" };
        string[] row2 = { "Bob", "25", "Los Angeles" };

        using (StreamWriter writer = new StreamWriter(filePath))
        {
            // 写入标题行
            writer.WriteLine(string.Join(",", data));

            // 写入数据行
            writer.WriteLine(string.Join(",", row1));
            writer.WriteLine(string.Join(",", row2));
        }

        Console.WriteLine("Data written to CSV file.");
    }
}

using System;
using System.Collections.Generic;
using System.IO;

class Program
{
    static void Main()
    {
        string filePath = "data.csv";
        List<string[]> data = GetData(); // 假设这是一个获取数据的方法

        using (StreamWriter writer = new StreamWriter(filePath))
        {
            // 写入标题行
            writer.WriteLine(string.Join(",", data[0]));

            // 分批写入数据行
            int batchSize = 1000;
            for (int i = 1; i < data.Count; i += batchSize)
            {
                int end = Math.Min(i + batchSize, data.Count);
                for (int j = i; j < end; j++)
                {
                    writer.WriteLine(string.Join(",", data[j]));
                }
            }
        }

        Console.WriteLine("Data written to CSV file in batches.");
    }

    static List<string[]> GetData()
    {
        // 模拟获取数据
        List<string[]> data = new List<string[]>();
        // ...填充数据...
        return data;
    }
}