Visual Studio C# One project in multiple Solutions? [closed]

Question

I am developing an N-tier application and want to create each tier separately (i mean not in one solution), so i have the DAL, BLL and Entities DLLs created separately, then i reference them in my presentation layer solution, anyway, for quick maintenance, i thought on creating a solution in which i add the projects DAL, BLL, Entities and the Presentation layer as existing projects, is it ok or it will have concequences ?

Answer 1

Every decision has consequences.

Splitting an application into multiple solutions has some positive and some negative. If you have dozens of projects, multiple solutions is a good way to reduce load and navigation time. However you may spend more time flipping between solutions or instances of Visual Studio.

You can also put the same projects in multiple solutions; solutions do not have to represent a physical folder necessarily. If you "add existing project" you can grab an existing project from another solution and have it in both solutions.

Generally, I avoid this because it can create issues with multiple instances of Visual Studio using the same files, but it can be helpful at times. Usually I only do it for debugging help when working on the boundaries between two related applications in different solutions, or an application and a library it consumes.