take a look at the source code for the page and see if there is any unexpected HTML, also see that the ASPX page you pasted to is in layout view and not grid view.
Also this subject would be better asked in ASP.NET forum rather than Web Service.
, then choose your flavour.
You will get better response from there most of the time.
They say, best men are molded out of faults,
And, for the most, become much more the better
For being a little bad.