Fill a DataGrid

   
 
using System;
using System.Diagnostics;
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 {
    internal System.Windows.Forms.DataGrid DataGrid1;
    internal System.Windows.Forms.Button btnRunQuery;
    private System.Windows.Forms.Button btnRunQuery2;
    public Form1() {
        this.DataGrid1 = new System.Windows.Forms.DataGrid();
        this.btnRunQuery = new System.Windows.Forms.Button();
        this.btnRunQuery2 = 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(8, 8);
        this.DataGrid1.Size = new System.Drawing.Size(280, 200);

        this.btnRunQuery.Location = new System.Drawing.Point(8, 224);
        this.btnRunQuery.Size = new System.Drawing.Size(80, 24);
        this.btnRunQuery.Text = "Run Query 1";
        this.btnRunQuery.Click += new System.EventHandler(this.btnRunQuery_Click);

        this.btnRunQuery2.Location = new System.Drawing.Point(104, 224);
        this.btnRunQuery2.Size = new System.Drawing.Size(80, 24);
        this.btnRunQuery2.Text = "Run Query 2";
        this.btnRunQuery2.Click += new System.EventHandler(this.btnRunQuery2_Click);

        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(292, 273);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.btnRunQuery2,
                                                                          this.DataGrid1,
                                                                          this.btnRunQuery});
        ((System.ComponentModel.ISupportInitialize)(this.DataGrid1)).EndInit();
        this.ResumeLayout(false);

    }
    [STAThread]
    static void Main() {
        Application.Run(new Form1());
    }

    private void btnRunQuery_Click(object sender, System.EventArgs e) {
        try {
            SqlConnection cn = new SqlConnection("data source=.;database=biblio;uid=admin;pwd=pw");

            SqlDataAdapter da = new SqlDataAdapter("Select top 50 Author, Year_born from Authors Where Year_born is not null", cn);

            DataSet ds = new DataSet();

            da.Fill(ds, "Authors");

            DataGrid1.DataSource = ds.Tables["Authors"];
        } catch (SqlException ex) {
            Debug.WriteLine(ex.ToString());
        }
    }

    private void btnRunQuery2_Click(object sender, System.EventArgs e) {
        try {
            SqlConnection cn = new SqlConnection("data source=.;database=biblio;uid=admin;pwd=pw");

            SqlDataAdapter da = new SqlDataAdapter("Select Title, Price from Titles where Title like 'Hit%'", cn);

            DataSet ds = new DataSet();

            da.Fill(ds, "Titles and Price");

            DataGrid1.DataSource = ds.Tables["Titles and Price"];
        } catch (SqlException ex) {
            Debug.WriteLine(ex.ToString());
        }
    }

}