ASP.NET

      try
           'Read the Html Template from App_Data, and format the template fields
            htmlStream = New FileStream(m_PhysicalPath, FileMode.Open, FileAccess.Read)
            Dim htmlLen As Long = htmlStream.Length
            Dim fileData As Byte() = New Byte(htmlLen) {}
            htmlStream.Read(fileData, 0, htmlLen)
 
            If Not (htmlStream Is Nothing) Then htmlStream.Close()
 
            Dim byteLine() As Byte = New Byte() {}
            Dim strArray() As String = New String() {}
            For bdx As Integer = 0 To fileData.Length - 1
 
                Dim byteVal As Byte = fileData(bdx)
                If Not (byteVal = &HD) Then
 
                    Array.Resize(byteLine, byteLine.Length + 1)
                    byteLine(byteLine.Length - 1) = byteVal
 
                Else
                    Array.Resize(byteLine, byteLine.Length + 1)
                    byteLine(byteLine.Length - 1) = byteVal
 
                    Dim charLine() As Char = New Char() {}
                    Array.Resize(charLine, byteLine.Length + 1)
 
                    For cdx As Integer = 0 To byteLine.Length - 1
                        charLine(cdx) = AsciiByteToChar(byteLine(cdx))
                    Next
 
                    Dim value As String = New String(charLine)
                    Array.Resize(strArray, strArray.Length + 1)
                    strArray(strArray.Length - 1) = value
 
                    Array.Resize(byteLine, 0)
                    bdx += 1
 
                End If
            Next
 
        Catch ex As Exception
 
            m_html_Template = New StringBuilder
            m_html_Template.Append("load_HTML_Template_Checkout_Complete general error")
            dwExitCode = 1
 
        Finally
 
            If Not (htmlStream Is Nothing) Then
                htmlStream.Close()
                htmlStream.Dispose()
                htmlStream = Nothing
            End If
 
        End Try
 

<textarea id="txtOrdersNotResult" runat="server" rows="5" cols="15" visible="false"></textarea>       

txtOrdersNotResult.Value = "this is a test"

txtOrdersNotResult.InnerText = doesnotexist.ToString();