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
{
public class MyCalendar : System.Web.UI.WebControls.Calendar, System.Web.UI.INamingContainer
{
private object m_dataSource;

public object DataSource
{
get { return m_dataSource; }
set { m_dataSource = value; }
}
private string m_dataMember;

public string DataMember
{
get { return m_dataMember; }
set { m_dataMember = value; }
}
private string m_dayField;

public string 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 ;
}


private void 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);
}

protected override void 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);

}

protected override void 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 ) { throw new 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
{
public class 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; }
}
}
}