Visual Studio/Windows Forms Application > DataGridView > XE4:SaveToFile()에 해당하는 구현

Windows 7 Pro (32bit)
Microsoft Visual Studio 2017 Community (以下VS) > Windows Forms Application
Sublime Text 2

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO; 

namespace _170421_helloWorld
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string outfile = "test170421a.csv";
            dataGridView1.ClipboardCopyMode = DataGridViewClipboardCopyMode.EnableAlwaysIncludeHeaderText;
            dataGridView1.SelectAll();
            DataObject dataObject = dataGridView1.GetClipboardContent();
            File.WriteAllText(outfile, dataObject.GetText(TextDataFormat.CommaSeparatedValue));
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
        }

        private void Form1_Shown(object sender, EventArgs e)
        {
            string alist = "data1,data2,data3";
            string[] elem = alist.Split(',');
            for(int idx=0; idx<3; idx++)
            {
                dataGridView1.Rows.Add(elem);
            }
        }
    }
}

,Column1,Column2,Column3
,data1,data2,data3
,data1,data2,data3
,data1,data2,data3
,,,