Save Picture in database and Reterive and Display in Picture Box by C# .net and back end MSACCESS

private void btnToPB_Click(object sender,EventArgs e)
{
RefreshDBConnection();
rowNumber=0;
pictureBox1.Image=ReadImageFromDB();
btnToPB.Text="view 1st 



private Image ReadImageFromDB()
{
Image FetchdImg;
if(rowNumber >=0)
{
byte[]FetchedImgBytes=(byte[]LocalDataTable.Rows[rowNumber]["Photo"];

MemoryStream stream=new MemoryStream(FetchedImgBytes);

FetchedImg=Image.FromStream(stream);

return FetchedImg;

else
{
MessageBox.Show("there are no image in the database yet.please reconnect od add some Image");
return null;
}

string constr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=.\\PIS(ACU).mdb;";
       Con = new OleDbConnection(@constr);
       Con.Open();

       Com = new OleDbCommand();
       Com.Connection = Con;
 {
  Com.CommandText = "SELECT Picture FROM <pics> WHERE Patient_Id =" + val + ", Con)
 using (SqlDataReader reader = cmd.ExecuteReader())
{
  if (reader.Read())
{
   byte[] picbyte= reader["Picture"] as byte[] ?? null;

   if (picbyte!= null)
   {
       using (MemoryStream ms = new MemoryStream(picData))
       {
           // Load the image from the memory stream. How you do it depends
           // on whether you're using Windows Forms or WPF.
           // For Windows Forms you could write:
           System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(ms);
       }
         }
       }
     }
   }