How to add ListItem to List, "Person or Group" column
SPWeb website = SPControl.GetContextWeb(Context); SPList oList = website.GetList("/Lists/Team%20Members"); SPListItem item = oList.Items.Add(); SPUser user; website.AllowUnsafeUpdates = true; user = website.SiteUsers["MOSSDEV1\\abc"]; item["Member"] = user; item.Update(); website.AllowUnsafeUpdates = false;