litedb-files.cs

// Upload a file from file system
db.FileStorage.Upload("$/photos/2014/picture-01.jpg", @"C:\Temp\picture-01.jpg");

// Upload a file from a Stream
db.FileStorage.Upload("$/photos/2014/picture-01.jpg", "picture-01.jpg", stream);

// Find file reference only - returns null if not found
LiteFileInfo file = db.FileStorage.FindById("$/photos/2014/picture-01.jpg");

// Now, load binary data and save to file system
file.SaveAs(@"C:\Temp\new-picture.jpg");

// Or get binary data as Stream and copy to another Stream
file.CopyTo(Response.OutputStream);

// Find all files references in a "directory"
var files = db.FileStorage.Find("$/photos/2014/");