Как cохранить binary данные?

string selectSQL = "SELECT * FROM test ";
SqlConnection con = newSqlConnection(connectionString);
SqlCommand cmd = newSqlCommand(selectSQL, con);
SqlDataReader rdr; 
int IntTextBlobColumnNo, intBinaryBlobColumnNo;
//string strTextBlob;
Byte[] aBinaryBlob;
rdr = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
while (rdr.Read())
{
richTextBox1.Text = rdr.GetString(IntTextBlobColumnNo);
aBinaryBlob = (Byte[]) rdr[intBinaryBlobColumnNo];
}
rdr.Close();
SqlConnection con1 = newSqlConnection(connectionString);
SqlCommand cmd1 = newSqlCommand("InsertTest", con1);
cmd1.CommandType = CommandType.StoredProcedure;
cmd1.Parameters.AddWithValue("@list", richTextBox1.Text); 
int added = 0;
try
{
con1.Open();
added = cmd1.ExecuteNonQuery();
l1.Text = added.ToString() + " Bir Sətir daxil edildi.";
}
catch (Exception err)
{ 
l1.Text += err.Message;
}
finally
{
con1.Close();
}

SaveFileDialog saveFile1 = new SaveFileDialog();
photoFilePath = saveFile1.FileName = "rich.dat";
richTextBox1.SaveFile(saveFile1.FileName, RichTextBoxStreamType.RichText);
byte [] photo = GetPhoto(photoFilePath);
SqlConnection con1 = new SqlConnection(connectionString);
SqlCommand cmd1 = new SqlCommand("InsertTest", con1);
cmd1.CommandType = CommandType.StoredProcedure; 
cmd1.Parameters.AddWithValue("@list", photo);
int added = 0;
try
{
con1.Open();
added = cmd1.ExecuteNonQuery();
l1.Text = added.ToString() + " Bir Sətir daxil edildi.";
}
catch (Exception err)
{
l1.Text += err.Message;
}
finally
{
con1.Close();
}
}
 
public static byte [] GetPhoto(string filePath)
{
FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(stream);
byte [] photo = reader.ReadBytes((int)stream.Length);
reader.Close();
stream.Close();
return photo;
}