Drag and down a PictureBox on the Form.

public partial class Form1 : Form

{

SqlConnection cnn ;

string connectionString ;

public Form1()

{

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

connectionString = "Data Source=munesh; Initial Catalog=data; User ID=sa; Password=123";

cnn = new SqlConnection(connectionString);

MemoryStream stream = new MemoryStream();

cnn.Open();

SqlCommand command = new SqlCommand("select img from imgtable where id=2", cnn);

byte[] image = (byte[])command.ExecuteScalar();

stream.Write(image, 0, image.Length);

cnn.Close();

Bitmap bitmap = new Bitmap(stream);

pictureBox1.Image = bitmap;

}

}