How to create solution in asp.net

I have to create website with business layer and data access layer. I want to have a structure like this.

Complete project inside a solution. So that to open a website and other projects, I have to open only the solution.

I tried like this, first I created on website and than added the projects to the website. but it is not coming as开发者_开发知识库 a solution. Please help

From MSDN:

1. In Visual Studio, click File, point to New, and then click Project.
2. In the New Project dialog box, in the Project types pane, click Other Project Types, and then click Visual Studio Solutions.
3. In the Templates pane, click Blank Solution.
4. Enter the name of your project in the Name field, and then click OK.