C# Multiple Tables Example

CSharp_MultipleTables.cs

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.Data;
using System.Data.OleDb;


namespace Ders3Uygulama1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            OleDbConnection con = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=veritabani.mdb");
            DataSet ds;
            ds = new DataSet();
            OleDbDataAdapter verial1 = new OleDbDataAdapter("select * from ogr1", con);
            OleDbDataAdapter dtUrun= new OleDbDataAdapter("select * from ogr2", con);
            DataTable dtKat = new DataTable("ogr1");
            verial1.Fill(dtKat);
            DataTable dtUrun2 = new DataTable("ogr2");
            verial1.Fill(dtUrun2);
            DataRelation dr;
            ds.Tables.Add(dtKat);
            ds.Tables.Add(dtUrun2);
            dr = new DataRelation("ogr1_den_gecis_yap_ogr2", dtKat.Columns["okul_no"], dtUrun2.Columns["okul_no"]);
            ds.Relations.Add(dr);
            dataGrid1.DataSource = ds;

        }
    }
}