You could try some of the free IDEs - like asp.net webmatrix (avail at
www.asp.net <http://www.asp.net> ) or icsharpcode (avail at
www.icsharpcode.net/OpenSource/SD/).

There's also a free online book (in pdf) from wrox covering the webmatrix
you can peep at http://asp.net/webmatrix/web%20matrix_doc.pdf
<http://asp.net/webmatrix/web%20matrix_doc.pdf> . You still have to
command-line compile if you code-behind (unless you opt to go w/ the Src
directive in your Page attributes), but it's a pretty decent ide.