protected void removeButton_OnClick(object sender, EventArgs e) { AreYouSureText.Text = "Something went wrong when trying to remove the user from the team"; SPUser userToRemove = SPContext.Current.Web.WBxEnsureUserOrNull(LoginNameOfUserToRemove.Value); if (userToRemove == null) { return; } if (RoleToRemove.Value == "Owner") { team.RemoveOwner(SPContext.Current.Site, userToRemove); } else { team.RemoveMember(SPContext.Current.Site, userToRemove); } CloseDialogAndRefresh("?panel=TeamDetails"); }