You can see online users of your system live through this code
** SQL server And .Net 7 **
script :
CREATE DATABASE OnlineDemoDatabase GO USE OnlineDemoDatabase GO CREATE TABLE [User] ( UserId INT IDENTITY PRIMARY KEY, Username NVARCHAR(50) NOT NULL UNIQUE, [Password] NVARCHAR(50) NOT NULL, LastSeen DATETIME NOT NULL DEFAULT GETDATE() ) GO INSERT User VALUES(N'ramezani',N'0000') GO INSERT User VALUES(N'moumivand',N'0000') GO INSERT User VALUES(N'azimi',N'0000') GO INSERT User VALUES(N'abbasi',N'0000') GO