public void Bind() { string CreateDate = txtDate.Value + " 0:0:0"; string EndCreateDate = txtEndDate.Value + " 23:59:59"; string strwhere = "1=1 and LogTime between '" + CreateDate + "' and '" + EndCreateDate + "'"; if (ViewState["strwhere"] != null) { strwhere += ViewState["strwhere"].ToString(); } LoginLog login = new LoginLog(Returnsql(strwhere)); Pager.RecordCount = login.getDataCount(); DataTable dt = login.getData(Pager.PageSize, Pager.StartRecordIndex - 1); this.rtp_loginLog.DataSource = dt; this.rtp_loginLog.DataBind(); }