1.SPSite site = new SPSite("http://localhost"); SPWeb web = site.OpenWeb(); SPUser user = web.CurrentUser; web.SiteGroups.Add(&
2.SPSite site = new SPSite("http://localhost"); SPWeb web = site.OpenWeb(); SPUser user = web.CurrentUser;web.SecurityGroup.Ad
3.SPSite site = new SPSite("http://localhost"); SPWeb web = site.OpenWeb(); SPUser user = web.CurrentUser; web.SiteGroups.Add(&
4.None of the mentioned