Two useful tips

Link file instead of copying to the Project

This usage is common when two projects need to share some files. For example, if the unit test requires the Web. config file, they have to maintain two copies.

Whenever you add an existing file to a project, vs. Net automatically copies the file to the project physically.
Folder, and then add the copy result to the project. However, this result may not be what you want. If only
If you want to link a file without copying it, select "project? Add existing files ". Select the text
And click the drop-down button next to it, you will see the option of "link file"

Set the default namespace andProgramSet Name
Select "project? Attribute? Public attributes? General option "(in 2005, it is" project? Attribute? Application
Program), you can set
Namespace. This namespace can have many layers, and the new classes added through the dialog box will be
Placed under this namespace.