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      SqlConnection conn=new SqlConnection(ConfigurationSettings.AppSettings["ConnStr"]);
      String sql="SELECT  image from append where id='" + strID + "'";
      SqlCommand command=new SqlCommand(sql,conn);
 
      conn.Open();
      SqlDataReader dr=command.ExecuteReader();
      dr.Read();
      byte[] imgdata = (byte[])dr["image"];
      Response.BinaryWrite(imgdata);
      dr.Close();
      conn.Close();
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