- safe way to check if key is presented
- safe parsing int values in query
- should replace int.Parse()
_jobId = Int32.Parse(PageState.QueryString["id"]);
can throw unhandled exception when "id" is not int
correct way
if (PageState.Uri.TryGetQueryValueInt("id",out _jobId)) ....
System.IO.Path.Combine provides cross-platform support for system paths, however rooted paths discarding of earlier segments
Utilities.PathCombine ensures if any parameters start with root chacters does not discard previous Utilities.PathCombine allows appending of "\\" to translate to the correct cross-platform result
