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   源码介绍

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CSV文件读写

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;

using System.IO;
namespace 读写csv
{
    public partial class Form1: Form
    {
        string path = Application.StartupPath   "\\my.csv";

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void btnWrite_Click(object sender, EventArgs e)
        {
            //if(!File.Exists(path))
            //{
            //File.Create(path);
            
            //}



            StreamWriter sw = new StreamWriter(path, true);
            sw.Write(textBox1.Text "\r\n");
            sw.Close();

        }

        private void btnRead_Click(object sender, EventArgs e)
        {
            StreamReader sd = new StreamReader(path);
            string read= sd.ReadToEnd();
            sd.Close();
            textBox2.Text = read;


        }
    }
}