OP wrote:so some users logging to the project,then i want report about the users details who is logging at what time total details like that.
Are you talking about Visual studio project if yes then you can achieve that using VSS
] or TFS
If no(I mean if you are talking about ASP.NET application), then you need to store the values of login
details(Date, Time, machine name, IP address, etc., what ever you want) of the user & then calculate then generate report, that's all.