Save text in RichTextBox to SQL Server (C #)

Server Save:

private void Btnsave_click (object sender, System.EventArgs e)
{

FileStream stream = null;
SqlConnection conn = null;
SqlCommand cmd = null;
Try
{
Richtextbox1.savefile ("Temp.rtf");
stream = new FileStream ("Temp.rtf", FileMode.Open, FileAccess.Read);
int size = Convert.ToInt32 (stream. Length);
byte[] rtf = new Byte[size];
Stream. Read (RTF, 0, size);

conn = new SqlConnection ("database=northwind;integrated security=true;");
Conn. Open ();
cmd = new SqlCommand ("UPDATE Employees SET photo= @Photo WHERE employeeid=1", conn);

SqlParameter paramrtf =
New SqlParameter ("@Photo",
Sqldbtype.image,
Rtf. Length,
ParameterDirection.Input,
False
0,0,null,
DataRowVersion.Current,
RTF);
Cmd. Parameters.Add (PARAMRTF);

int rowsupdated = Convert.ToInt32 (cmd. ExecuteNonQuery ());

MessageBox.Show (String.Format ("{0} rows updated", rowsupdated));
}
catch (Exception ex)
{
MessageBox.Show (ex. message);
}
Finally
{
if (stream!= null) stream. Close ();
if (cmd!= null) cmd. Parameters.clear ();
IF (conn!= NULL) conn. Close ();
}
}

Read:

private void Btnload_click (object sender, System.EventArgs e)
{
Richtextbox1.clear ();

SqlConnection cn = NULL;
SqlCommand cmd = null;
SqlDataReader reader = null;
Try
{
cn = New SqlConnection ("database=northwind;integrated security=true;");
cn. Open ();
cmd = new SqlCommand ("Select Photo from Employees WHERE employeeid=1", CN);
reader = cmd. ExecuteReader ();
Reader. Read ();
if (reader. HasRows)
{
if (!reader. IsDBNull (0))
{
byte[] rtf = new Byte[convert.toint32 (reader. GetBytes (0, 0, NULL, 0, Int32.MaxValue))];
Long bytesreceived = reader. GetBytes (0, 0, RTF, 0, RTF. Length);

ASCIIEncoding encoding = new ASCIIEncoding ();
Richtextbox1.rtf = Encoding. GetString (RTF, 0, Convert.ToInt32 (bytesreceived));
}
}
}
catch (Exception ex)
{
MessageBox.Show (ex. message);
}
Finally
{
if (reader!= null) reader. Close ();
if (CN!= null) CN. Close ();
}

}