ASP.NET

void openPDF()
    {
        string sqlText = "SELECT PDF FROM tbObject WHERE ID = @ObjectID ";

        SqlConnection connection = new SqlConnection(ConfigurationSettings.AppSettings["DbConnection"].ToString());
        SqlCommand command = new SqlCommand(sqlText, connection);
        command.Parameters.AddWithValue("@ObjectID ", Convert.ToInt32(Request["id"].ToString()));
        connection.Open();
        byte[] pdfData = (byte[])command.ExecuteScalar();
        if (pdfData != null)
        {

            Response.ContentType = "application/pdf"; Response.AddHeader("content-length", pdfData.Length.ToString()); Response.AddHeader("content-disposition", "inline; filename=MyPDF.PDF");
            Response.BinaryWrite(pdfData);
        }
        else
        {


        }
        connection.Close();
    }