C# Import Text File Data To DataGridview

How To Populate DataGridview From a Text File In C#

In This C# Tutorial  We Will See How To Import Records From A Text File And Display The Values Into DataGridView Rows On Button Click Event Using Csharp Programming Language And Visual Studio Editor.

Project Source Code:

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 Csharp_Tutorials

{

    public partial class TXT_TO_DGV : Form

    {

        public TXT_TO_DGV()

        {

            InitializeComponent();

        }

        DataTable table = new DataTable();

        private void TXT_TO_DGV_Load(object sender, EventArgs e)

        {

        

            // add columns to datatable

            table.Columns.Add("Id", typeof(int));

            table.Columns.Add("First Name", typeof(string));

            table.Columns.Add("Last Name", typeof(string));

            table.Columns.Add("Age", typeof(int));

            dataGridView1.DataSource = table;

        }

        private void buttonImport_Click(object sender, EventArgs e)

        {

           // get lines from the text file

            string[] lines = File.ReadAllLines(@"C:\Users\1BestCsharp\Desktop\table.txt");

            string[] values;

            for(int i = 0; i < lines.Length; i++)

            {

                values = lines[i].ToString().Split('|');

                string[] row = new string[values.Length];

                for (int j = 0; j < values.Length; j++)

                {

                    row[j] = values[j].Trim();

                }

                table.Rows.Add(row);

            }

        }

    }

}

      

///////////////OUTPUT:

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