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;
using System.Collections;


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

        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog1 = new OpenFileDialog();

            openFileDialog1.InitialDirectory = "c:\\";
            openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
            openFileDialog1.FilterIndex = 2;
            openFileDialog1.RestoreDirectory = true;

            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                textBox1.Text = openFileDialog1.FileName;
            }


        }

        private void button2_Click(object sender, EventArgs e)
        {

            String Delimiter = ",";
            String TableName = "Conversions";

            DataSet ds = new DataSet();
            StreamReader sr = new StreamReader(textBox1.Text);

                ds.Tables.Add(TableName);
                ds.Tables[TableName].Columns.Add("Unit1");
                ds.Tables[TableName].Columns.Add("Unit2");
                ds.Tables[TableName].Columns.Add("ConValue");

                string GrabText = sr.ReadToEnd();

                string[] DataRows = GrabText.Split("\r".ToCharArray());


                foreach (string r in DataRows)
                {
                    String[] EachItem = r.Split(Delimiter.ToCharArray());
                    ds.Tables[TableName].Rows.Add(EachItem);

                }

                this.datagrid.DataSource = ds.Tables[0].DefaultView;
            }
        }
    }