Can't open my Default.aspx program in the Web

I create a new ASP web application project in Visual Studio 2010.
When I execute to see the Web page, it say:

The requested URL "http://localhost:2756/Temp/WebForm.aspx" cannot be found or is not available.

I'm really starting with ASP and I just want to see a blank web page.
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SimonBoutinAuthor Commented:
When I create a HTML page in the same project, this page can be executed in the Web.
Johny BravoCommented:
VS has Solution Explorer. Is WebForm.aspx exist in the list.

Try adding a new page.

Right click your project in solution explorer-> Add New item - > Web Form
Give it a name.

That page will be listed in solution explorer. Now Right click on the page name in solution explorer and select "Set as start page".

Now press F5
SimonBoutinAuthor Commented:
I try several time but just won't work. When it is a HTML page, it work without problem. But when I create a new project and try to execute the .aspx file, I always have this message.
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Johny BravoCommented:
Your question
>>Can't open my Default.aspx program in the Web

Error you are getting
>>The requested URL "http://localhost:2756/Temp/WebForm.aspx" cannot be found or is not available.

Check your files in Solution Explorer.

You are trying to debug this from Visual studio or you are trying to run this on IIS?

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SimonBoutinAuthor Commented:
Debug from Visual Studio. I try with Default.aspx and WebForm.aspx and the problem is the same. Unfortunately, I can work on this project just 1 day per week, so for now I can't test your feed back, until next Monday.
SimonBoutinAuthor Commented:
I think your solution is correct, but my project was changed now. I doesn't need to do a web page anymore.
So thanks !
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