I'm working on a solution that pulls in components from different projects. I have my Data Access class, some custom controls I wrote, my App Security class, and the WinForm components. All of these access data, and so far, all of them use their own connections.

I was thinking about creating a ref to my data access class in each project that needs data. I would also include a Connection property that, if populated with an open connection, would be used so that in most cases, I'd only ever have one connection to the data source. If the connection property has not been populated, then the class would establish it's own connection using the data access class.

Any thoughts on this?