Store image in DataBase and Display in Gridview and picture box

//Cretate table in sql server "storeimage"
Create table storeimage(
name varchar(100),
pics image)

//code in .Net

byte[] ReadFile(string sPath)
{
byte[] data = null;
FileInfo fInfo = new FileInfo(sPath);
long numBytes = fInfo.Length;
FileStream fStream = new FileStream(sPath, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fStream);
data = br.ReadBytes((int)numBytes);
return data;
}

SqlConnection con = new SqlConnection("Data source=.;Database=master;user id=;password=; integrated security=sspi;");
SqlCommand cmd;


private void Form1_Load(object sender, EventArgs e)
{
SqlDataAdapter da = new SqlDataAdapter("SElect * from storeimage", con);
DataSet ds = new DataSet();
da.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
}

private void btnSave_Click(object sender, EventArgs e)
{
con.Open();
byte[] imageData;
imageData = ReadFile(textBox1.Text);
cmd = new SqlCommand("Insert into storeimage(name,pics) values('s' ,@OriginalPath)", con);
cmd.Parameters.Add(new SqlParameter("@OriginalPath", (object)imageData));

cmd.ExecuteNonQuery();
con.Close();

}


private void btnbrowse_Click(object sender, EventArgs e)
{
openFileDialog1.ShowDialog();
textBox1.Text = openFileDialog1.FileName;


}


private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex >0)
{
object a = dataGridView1.Rows[e.RowIndex].Cells["Pics"].GetType();
if (a.ToString() != "System.DBNull")
{

byte[] imageData = (byte[])dataGridView1 .Rows[e.RowIndex].Cells["pics"].Value;

imageData = (byte[])dataGridView1.Rows[e.RowIndex].Cells["pics"].Value;
Image newImage;
using (MemoryStream ms = new MemoryStream(imageData, 0, imageData.Length))
{
ms.Write(imageData, 0, imageData.Length);

newImage = Image.FromStream(ms, true);
}
//set picture
pictureBox1.Image = newImage;
}
}
}