在ASP.NET中获取已登录用户的userID

Question

How can I get the exact ID of a user that is logged into a site?

I'm using the login and registration controls created by Visual Studio 2010, in the database the unique identifier is in this 28e8957e-00b8-4e75-bec9-2b90e640962d for example how can I return the exact one to be used in an SQL command for example?

Answer 1

Use

using System.Web.Security;

Membership.GetUser(HttpContext.Current.User.Identity.Name).ProviderUserKey;