Table functions requiring authentication

I don't even know where to start.  This application is using Windows Forms authentication. 

The Page_Load calls 2 functions.

When InitTable(TableReport, 5, 12); is called however, the page prompts me to authenticate and then denies me access while using the correct username and password.  When I comment out line 4, the page loads and the first function runs just fine.  Uncomment... asks for authentication again.  I just don't understand, I thought I was going crazy.  I rebooted my machine.  I restarted IIS.  Nothing.

 
1 protected void Page_Load(object sender, EventArgs e)
2 {
3 InsertReportHeader(TableReport, new String[] {"Appro ...