CalendarPanel Data was read from Database. When I added a data, I used CalendarPanel_DayClick function to add it into Database, So I need add data to CalendarPanel also. In GridPanel I use reload function for rebind the data. But I can not get the result in CalendarPanel.
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Order.aspx.cs" Inherits="CQU.Net.Equipment.Equipment.Order" %>

<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <ext:ResourceManager ID="ResourceManager1" runat="server" RemoveViewState="true" />
    <ext:Viewport ID="ViewPort1" runat="server" Layout="FitLayout">
        <Items>
            <ext:CalendarPanel ID="CalendarPanel1" runat="server" Region="Center" ActiveIndex="2"
                Border="false">
                <EventStore ID="EventStore1" OnRefreshData="EventStore_Refresh" runat="server" />
                <DirectEvents>
                    <RangeSelect OnEvent="CalendarPanel_RangeSelect" Before="extraParams.startDate = Ext.util.Format.date(dates.StartDate, 'Y/m/d'); 
                                extraParams.endDate = dates.EndDate;" />
                    <DayClick OnEvent="CalendarPanel_DayClick" Before="extraParams.date = dt;" />
                </DirectEvents>
            </ext:CalendarPanel>
        </Items>
    </ext:Viewport>
    </form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Ext.Net;
using CQU.Net.Equipment.IBLL.Equipment;
using Sincocn.Security.Interceptor;

namespace CQU.Net.Equipment.Equipment
{
    public partial class Order : System.Web.UI.Page
    {
        public IUseRecordService service { set; get; }

        private static List<Event> events = new List<Event>();

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!X.IsAjaxRequest)
            {
                if (service != null)
                {
                    DateTime dt = DateTime.Now;
                    DateTime dt_First = dt.AddDays(-(dt.Day) + 1);
                    DateTime dt2 = dt.AddMonths(1);
                    DateTime dt_Last = dt2.AddDays(-(dt.Day) - 1);

                    int equipmentId = int.Parse(Request["equipmentId"]);

                    List<DAL.UseRecord> useRecords = service.QueryUseRecord(equipmentId, dt_First, dt_Last);
                    foreach (DAL.UseRecord item in useRecords)
                    {
                        Event myEvent = new Event()
                        {
                            Title = "New Event",
                            StartDate = item.StartTime,
                            EndDate = item.EndTime,
                            IsAllDay = true,
                            CalendarId = 1
                        };
                        this.CalendarPanel1.EventStore.Events.Add(myEvent);
                    }
                }
            }
        }

        protected void EventStore_Refresh(object sender, StoreRefreshDataEventArgs e)
        {
            if (service != null)
            {
                DateTime dt = DateTime.Now;
                DateTime dt_First = dt.AddDays(-(dt.Day) + 1);
                DateTime dt2 = dt.AddMonths(1);
                DateTime dt_Last = dt2.AddDays(-(dt.Day) - 1);

                int equipmentId = int.Parse(Request["equipmentId"]);

                List<DAL.UseRecord> useRecords = service.QueryUseRecord(equipmentId, dt_First, dt_Last);
                foreach (DAL.UseRecord item in useRecords)
                {
                    Event myEvent = new Event()
                    {
                        Title = "New Event",
                        StartDate = item.StartTime,
                        EndDate = item.EndTime,
                        IsAllDay = true,
                        CalendarId = 1
                    };
                    this.CalendarPanel1.EventStore.Events.Add(myEvent);
                }
            }
        }

        protected void CalendarPanel_RangeSelect(object sender, DirectEventArgs e)
        {
            DateTime startDate = DateTime.Parse(e.ExtraParams["startDate"]);
            DateTime endDate = DateTime.Parse(e.ExtraParams["endDate"]);

            DAL.UseRecord useRecord = new DAL.UseRecord()
            {
                EquipmentId = int.Parse(Request["equipmentId"]),
                StartTime = startDate,
                EndTime = endDate,
                AppointTime = DateTime.Now,
                AppointStartTime = startDate,
                AppointEndTime = endDate,
                ProjectId = 1,
                Status = 1,
                OrderDepartmentrCode = PageSecurityInterceptor.GetDepartmentInfo().Code,
                OrderUserId = PageSecurityInterceptor.GetUserInfo().UserId,
                OrderUserName = PageSecurityInterceptor.GetUserInfo().UserName
            };
            if (service != null)
            {
                service.AddUseRecord(useRecord);
            }

            CalendarPanel1.Reload();

            //Event myEvent = new Event()
            //{
            //    Title = "New Event",
            //    StartDate = startDate,
            //    EndDate = endDate,
            //    IsAllDay = true,
            //    CalendarId = 1
            //};

            //this.CalendarPanel1.EventStore.Events.Add(myEvent);
            //this.CalendarPanel1.EventStore.DataBind();
        }

        protected void CalendarPanel_DayClick(object sender, DirectEventArgs e)
        {
            string d = e.ExtraParams["date"];
            DateTime date = DateTime.Parse(d);

            DAL.UseRecord useRecord = new DAL.UseRecord()
            {
                EquipmentId = int.Parse(Request["equipmentId"]),
                StartTime = date,
                EndTime = date,
                AppointTime = DateTime.Now,
                AppointStartTime = date,
                AppointEndTime = date,
                ProjectId = 1,
                Status = 1,
                OrderDepartmentrCode = PageSecurityInterceptor.GetDepartmentInfo().Code,
                OrderUserId = PageSecurityInterceptor.GetUserInfo().UserId,
                OrderUserName = PageSecurityInterceptor.GetUserInfo().UserName
            };
            if (service != null)
            {
                service.AddUseRecord(useRecord);
            }

            //Event myEvent = new Event()
            //{
            //    Title = "New Event",
            //    StartDate = date,
            //    EndDate = date,
            //    IsAllDay = true,
            //    CalendarId = 1
            //};


            //this.CalendarPanel1.EventStore.Events.Add(myEvent);
            //this.CalendarPanel1.EventStore.DataBind();
            CalendarPanel1.Reload();
        }
    }
}