ADO Net C# Tutorial

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
  public class Form1 : System.Windows.Forms.Form
  {
        private System.Windows.Forms.DataGrid dataGrid1;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Button button1;
    public Form1()
    {
            this.dataGrid1 = new System.Windows.Forms.DataGrid();
            this.label1 = new System.Windows.Forms.Label();
            this.button1 = new System.Windows.Forms.Button();
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
            this.SuspendLayout();
            // 
            this.dataGrid1.DataMember = "";
            this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
            this.dataGrid1.Location = new System.Drawing.Point(16, 56);
            this.dataGrid1.Name = "dataGrid1";
            this.dataGrid1.Size = new System.Drawing.Size(264, 168);
            this.dataGrid1.TabIndex = 0;
            // 
            this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.label1.Location = new System.Drawing.Point(8, 8);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(296, 40);
            this.label1.TabIndex = 1;
            this.label1.Text = "Databases in Code";
            // 
            this.button1.Location = new System.Drawing.Point(80, 240);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(120, 23);
            this.button1.TabIndex = 2;
            this.button1.Text = "Connect to database";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 273);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.dataGrid1);
            this.Name = "Form1";
            this.Text = "Form1";
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
            this.ResumeLayout(false);
        }
    [STAThread]
    static void Main() 
    {
      Application.Run(new Form1());
    }
        private void button1_Click(object sender, System.EventArgs e)
        {
            DataSet dataset1 = new DataSet("dataset1");
            string connectionString = "workstation id=STEVE;packet size=4096;integrated security=SSPI;initial catalog=pubs;persist security info=False";
            SqlConnection connection1 = new SqlConnection(connectionString);
            SqlCommand command1 = new SqlCommand("SELECT * FROM authors");
            command1.CommandType = CommandType.Text;
            connection1.Open();
            command1.Connection = connection1;
            SqlDataAdapter sqlDataAdapter1 = new SqlDataAdapter();
            sqlDataAdapter1.SelectCommand = command1;
            sqlDataAdapter1.Fill(dataset1, "authors");
            dataGrid1.SetDataBinding(dataset1, "authors");
        }
  }