net46 
namespace System.Web.Security
{
    public static class Membership
    {
        public static int GetNumberOfUsersOnline();
    }
}
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.NET Framework
2.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net46
Assembly

System.Web , Version=4.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs an assembly reference to System.Web.

Platform Restrictions

This framework does not have platform annotations.

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  • Package-provided API