' Create a StreamWriter to write data to a text file.
    Dim myFile As TextWriter = File.CreateText("c:\NewTextFile.txt")

   Sub Page_Load(sender As Object, e As EventArgs)
' Write status to file.
myFile.WriteLine("Page has loaded.")
   End Sub

   Sub CustomControl_OnLoad(sender As Object, e As EventArgs)
myFile.WriteLine("Custom control has loaded.")
   End Sub

   Sub CustomControl_OnUnload(sender As Object, e As EventArgs)
' Server controls final cleanup such as;
' closing files etc.goes here         
myFile.WriteLine("Custom control was unloaded.")
' Close the stream object.
myFile.Close()
   End Sub

// Create a StreamWriter to write data to a text file.
TextWriter myFile = File.CreateText("c:\\NewTextFile.txt");

void Page_Load(object sender,EventArgs e)
{
   // Write status to file.
   myFile.WriteLine("Page has loaded.");
}
void CustomControl_OnLoad(object sender,EventArgs e)
{
   myFile.WriteLine("Custom control has loaded.");
}

void CustomControl_OnUnload(object sender,EventArgs e)
{
   // Server controls final cleanup such as; 
   // closing files goes here         
   myFile.WriteLine("Custom control was unloaded.");
  // Close the stream object.
   myFile.Close();
}