日历控件中日期修改

大家好，做了一个竞拍活动，每天只有一个产品进行竞拍，所以每个月中一天对应一个产品，界面如下，和大家分享一下；

界面：

代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Web.UI.WebControls;
using System.Web.UI;

///<summary>
///MyCalendar 的摘要说明
///</summary>
namespace CustomControls
{
    publicclass MyCalendar : System.Web.UI.WebControls.Calendar, System.Web.UI.INamingContainer
    {
        privateobject m_dataSource;

        publicobject DataSource
        {
            get { return m_dataSource; }
            set { m_dataSource = value; }
        }
        privatestring m_dataMember;

        publicstring DataMember
        {
            get { return m_dataMember; }
            set { m_dataMember = value; }
        }
        privatestring m_dayField;

        publicstring DayField
        {
            get { return m_dayField; }
            set { m_dayField = value; }
        }
        private ITemplate m_itemTemplate;

        public ITemplate ItemTemplate
        {
            get { return m_itemTemplate; }
            set { m_itemTemplate = value; }
        }
        private ITemplate m_noEventsTemplate;

        public ITemplate NoEventsTemplate
        {
            get { return m_noEventsTemplate; }
            set { m_noEventsTemplate = value; }
        }
        private TableItemStyle m_dayWithEventsStyle;

        public TableItemStyle DayWithEventsStyle
        {
            get { return m_dayWithEventsStyle; }
            set { m_dayWithEventsStyle = value; }
        }
        private DataTable m_dtSource;

        public DataTable DtSource
        {
            get { return m_dtSource; }
            set { m_dtSource = value; }
        }

        public MyCalendar()
            : base()
        {
            //
            //TODO: 在此处添加构造函数逻辑
            //
this.SelectionMode = CalendarSelectionMode.None;
            this.ShowGridLines =true;
        }


        privatevoid SetupCalendarItem(TableCell cell, DataRow r, ITemplate t)
        {
            CalendarItem dti =new CalendarItem(r);
            t.InstantiateIn(dti);
            //数据绑定
            dti.DataBind();
            //添加数据
            cell.Controls.Add(dti);
        }

        protectedoverridevoid OnDayRender(TableCell cell, CalendarDay day)
        {

            if (m_dtSource !=null)
            {   //格式化

                DataView dv =new DataView(m_dtSource);

                dv.RowFilter =string.Format("{0} >= #{1}# and {0} < #{2}#",

                this.DayField, day.Date.ToString("MM/dd/yyyy"),

                day.Date.AddDays(1).ToString("MM/dd/yyyy"));

                if (dv.Count >0)
                {   //添加样式

                    if (this.DayWithEventsStyle !=null)
                    {
                        cell.ApplyStyle(this.DayWithEventsStyle);
                    }

                    //加载模板

                    if (this.ItemTemplate !=null)
                    {   //加载模板的控件

                        for (int i =0; i < dv.Count; i++)
                        {
                            SetupCalendarItem(cell, dv[i].Row, this.ItemTemplate);
                        }
                    }

                }
                else
                {   //加载模板

                    if (this.NoEventsTemplate !=null)
                    {

                        SetupCalendarItem(cell, null, this.NoEventsTemplate);
                    }
                }
            }

            base.OnDayRender(cell, day);

        }

        protectedoverridevoid Render(HtmlTextWriter html)
        {    //定义数据源

            m_dtSource =null;

            if (this.DataSource !=null&&this.DayField !=null)
            {   //设置数据源

                if (this.DataSource is DataTable)
                {

                    m_dtSource = (DataTable)this.DataSource;

                }

                if (this.DataSource is DataSet)
                {   //数据源为DataSet对象

                    DataSet ds = (DataSet)this.DataSource;

                    if (this.DataMember ==null||this.DataMember =="")
                    {

                        m_dtSource = ds.Tables[0];

                    }

                    else { m_dtSource = ds.Tables[this.DataMember]; }

                }

                if (m_dtSource ==null) { thrownew Exception("数据源错误。"); }

            }

            base.Render(html);

        }

    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Data;

///<summary>
///CalendarItem 的摘要说明
///</summary>
namespace CustomControls
{
    publicclass CalendarItem : Control, INamingContainer
    {

        ///<summary>
        /// 数据行
        ///</summary>
private DataRow m_dataItem;
        ///<summary>
        /// 构造函数逻辑
        ///</summary>
public CalendarItem(DataRow dr)
        {
            m_dataItem = dr;
        }

        ///<summary>
        /// 属性：DataItem
        ///</summary>
private DataRow dataItem;

        public DataRow DataItem
        {
            get { return dataItem; }
            set { dataItem = value; }
        }
    }
}