I've been able to run my asp.net project in vs.net (debug) for several months now without issue. Starting last week, everytime I run my project, i get the following message: "Running the project requires setting an initial Web page. To set this page, right-click the desired page in the Solution Explorer and select "Set As Start Page"."

My default page is "Default.aspx". I right-click on this filename in soution explorer and select "Set as start page.". But upon running the project again, I get the same message. Now, last week, I did make some project properties changes, but I don't know what setting change causes this issue.

Please help! Any ideas appreciated!!!!

Thanks to all those who read my initial post and considered an answer. In case anyone is interested in the solution, I found it...

What I didn't mention before is that the project I'm running is one of two running together in a solution. I first had to "set as starting project" the project that contains the start page, then "set as start page" the page that I actually want to start with. That's it!