GUI Windows Forms 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();
            // 
            // dataGrid1
            // 
            this.dataGrid1.DataMember = "";
            this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
            this.dataGrid1.Location = new System.Drawing.Point(8, 56);
            this.dataGrid1.Name = "dataGrid1";
            this.dataGrid1.Size = new System.Drawing.Size(272, 168);
            this.dataGrid1.TabIndex = 0;
            // 
            // label1
            // 
            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(280, 40);
            this.label1.TabIndex = 1;
            this.label1.Text = "Creating Datasets";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(88, 240);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(112, 23);
            this.button1.TabIndex = 2;
            this.button1.Text = "Create the dataset";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            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)
        {
            DataTable table1;
            DataRow row1, row2, row3, row4;
            table1 = new DataTable("Customers");
            DataColumn firstName = new DataColumn("First Name");
            firstName.DataType = System.Type.GetType("System.String");
            table1.Columns.Add(firstName);
            DataColumn lastName = new DataColumn("Last Name");
            lastName.DataType = System.Type.GetType("System.String");
            table1.Columns.Add(lastName);
            DataColumn phone = new DataColumn("Phone");
            phone.DataType = System.Type.GetType("System.String");
            table1.Columns.Add(phone);
            DataColumn id = new DataColumn("ID");
            id.DataType = System.Type.GetType("System.Int32");
            table1.Columns.Add(id);
            row1 = table1.NewRow();
            row1["First Name"] = "A";
            row1["Last Name"] = "B";
            row1["Phone"] = "(555) 333-4444";
            row1["ID"] = 1;
            table1.Rows.Add(row1);
            row2 = table1.NewRow();
            row2["First Name"] = "B";
            row2["Last Name"] = "C";
            row2["Phone"] = "(555) 333-4445";
            row2["ID"] = 2;
            table1.Rows.Add(row2);
            row3 = table1.NewRow();
            row3["First Name"] = "E";
            row3["Last Name"] = "R";
            row3["Phone"] = "(555) 333-4445";
            row3["ID"] = 3;
            table1.Rows.Add(row3);
            row4 = table1.NewRow();
            row4["First Name"] = "W";
            row4["Last Name"] = "K";
            row4["Phone"] = "(555) 333-4447";
            row4["ID"] = 4;
            table1.Rows.Add(row4);
            DataSet dataset1 = new DataSet();
            dataset1.Tables.Add(table1);
            dataGrid1.SetDataBinding(dataset1, "Customers");
        }
  }