how to insert image in sql server

private void Picturebox1_Click(object sender, EventArgs e)
        {
            try
            {
                OpenFileDialog dialog = new OpenFileDialog();

                dialog.Filter = "JPEG(*.jpeg)|*.jpeg|GIF(*.gif)|*.gif|PNG(*.Png)|*.png|AllFiles|*.*";
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    Fs = File.Open(dialog.FileName, FileMode.OpenOrCreate);
                    b = new Byte[Fs.Length];
                    Fs.Read(b, 0, b.Length);
                    Fs.Close();
                    Picturebox1.Image = Image.FromFile(dialog.FileName);
                }
                else
                {
                    MessageBox.Show("Select Image", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }