protected void Page_Load(object sender, EventArgs e) { UsersBll ub = new UsersBll(); string index = Request["index"]; if (string.IsNullOrEmpty(index)) { pageIndex = 1; } else { pageIndex = Convert.ToInt32(index); } //总页数 int total = ub.GetRecordCount(""); pageCount = Convert.ToInt32(Math.Ceiling((double)total / pageSize)); //集合 DataSet ds = ub.GetListByPage("", "id", (pageIndex - 1) * pageSize + 1, pageSize * pageIndex); userList = ub.DataTableToList(ds.Tables[0]); }