How to read file information from directory and write in DataGridView using Windows application?

Description
In most of situation we need to read all files details in the particular directory. So I write below code for read specified directory files and write that file name, file size and created date. I am using windows application for write file details in datagridview.

Code Details:

Client Side:
Place one datagridview control in the design side.

Server side
Write below code in the Server side

using System.Data;
using System.IO;
namespace WindowsFormsApplication14
{
    public partial class Form1 : Form
    {
        DataTable dt = new DataTable();
        DataRow dr;
        String[] s1;
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            //Initialize Directory path
            s1 = Directory.GetFiles(@"D:\test");
            //File Name, File Type, File size, create date
            for (int i = 0; i <= s1.Length - 1; i++)
            {
                if (i == 0)
                {
                    //Add Data Grid Columns with name
                    dt.Columns.Add("File_Name");
                    dt.Columns.Add("File_Type");
                    dt.Columns.Add("File_Size");
                    dt.Columns.Add("Create_Date");
                }
                //Get each file information
                FileInfo f = new FileInfo(s1[i]);
                FileSystemInfo f1 = new FileInfo(s1[i]);
                dr = dt.NewRow();
                //Get File name of each file name
                dr["File_Name"] = f1.Name;
                //Get File Type/Extension of each file 
                dr["File_Type"] = f1.Extension;
                //Get File Size of each file in KB format
                dr["File_Size"] = (f.Length / 1024).ToString();
                //Get file Create Date and Time 
                dr["Create_Date"] = f1.CreationTime.Date.ToString("dd/MM/yyyy");
                //Insert collected file details in Datatable
                dt.Rows.Add(dr);
            }
            if (dt.Rows.Count > 0)
            {
                //Finally Add DataTable into DataGridView
                dataGridView1.DataSource = dt;
            }
        }
    }
}