Getting user id

Question

How to get user id and show username in winform with linq syntax in c#

Answer 1

Add information about the source of information in the Description please, is it from a DBMS, a file or something entirely different.
It is needed to be contextually clear about where the information will be read from.
P.S. It would be nice to also add LINQ and WinForm in the tags.
* I'll remove this note soon, good luck! 👍

Answer 2

I don't have it.
I was suggesting you some points that may improve your chances for answers, by adding some details in the original post Description above ☝
If you edit your post with more details I'll just remove my notes from here.

Answer 3

If you have code about read id with linq syntax?

Answer 4

Please send me code about read by Id