static void Main(string[] args)
{
TvBusinessLayer layer = new TvBusinessLayer();
layer.AddCard("name1", "path1", 1);
layer.AddCard("name2", "path2", 2);
layer.AddCard("name3", "path3", 3);
layer.AddCard("name4", "path4", 4);
Card card = layer.GetCardByName("name2");
card = layer.GetCardByDevicePath("path4");
Channel channel = layer.AddChannel("provider", "name");
channel = layer.AddChannel("provider", "name");
DatabaseManager.Instance.SaveChanges();
}