foreach (SPUser user in
web.AllUsers)//遍历所有用户
{
CheckBoxList1.Items.Add(user.Name);
LIColl.Add(user.Name);
//approversCollection.Add(new
SPFieldUserValue(web,user.ID,user.LoginName));
}
原文：http://www.cnblogs.com/914556495wxkj/p/3630602.html