刚写好的Asp.Net时间和日期的Label控件。作为讲解Asp.net控件开发的第一部分：继承开发（2）
//==========================================================================
//名称： ZYQ.WebControls.Cultural.DateTimePick.DateTimePickLabel
// Asp.Net服务控件
//版本： 1.0.0.0
//作者： 张宇庆
//日期： 2003.2.12
//Email: raxzhang@sina.com
//说明： 本控件及源代码只是为《计算机世界》开发者俱乐部Asp.Net论坛学习如何开发Asp.net
// 服务器端控件而开发。未经本人同意请勿用作商业用途。
//
//==========================================================================
using System;
using System.Globalization;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
using ZYQ;
using ZYQ.WebControls.Cultural.DateTimePick;
namespace ZYQ.WebControls.Cultural.DateTimePick
{
/// <summary>
/// DateTimePickLabel由System.Web.UI.WebControls.Label继承。
/// 使用System.Globalization.CultureInfo类来显示格式化了的时间。
/// </summary>
[ToolboxData("<{0}:DateTimePickLabel runat=server></{0}:DateTimePickLabel>")]
public class DateTimePickLabel : System.Web.UI.WebControls.Label
{
#region 私有变量定义
private bool _autofit;
private DateTime _dt;
private string text;
private DateFormatOption _dfo;
private DTFormatSetting dateTimeSet;
zyqCultrueInfo myInfo;
#endregion
#region 属性
[Bindable(true),Browsable(false),
Category("Appearance")]
public override string Text
{
get
{
return text;
}
// set
// {
// text =value;
// }
}
[Browsable(true),Category("Behavior"),DefaultValue(false),Description("设定是否自动适应客户端浏览器的文化区域设定。如果此属性为true,则DateTimeFormatShow属性的所有设置将被忽略。")]
public bool AutoFitClientBrowser
{
get{ return this._autofit;}
set{this._autofit = value;}
}
[Browsable(true),Category("日期时间设置"),Description("设定日期"),Bindable(true)]
[RefreshProperties(RefreshProperties.Repaint)]
public DateTime DT
{
get
{
if(this._dt.ToString() != null)
return this._dt;
return DateTime.Now;
}
set
{
this._dt =value;
if(this.DateTimeFormatShow != null)
this.text=value.ToString(this.DateTimeFormatShow.FormateString,(new zyqCultrueInfo(this.DateTimeFormatShow.LanguageAndCountry,true)).DateTimeFormat);
}
}
[Browsable(true),Category("日期时间设置"),TypeConverter(typeof(DTFormatSettingConverter)),DesignerSerializationVisibility(DesignerSerializationVisibility.Content),Description("设定时间和日期的格式")
,RefreshProperties(RefreshProperties.Repaint)]
public DTFormatSetting DateTimeFormatShow
{
get
{
if(this.dateTimeSet ==null)
{
this.dateTimeSet= new DTFormatSetting();
this.dateTimeSet.DateTimeFormatChanged +=new DateTimeFormateEventHandler(OnTextChanged);
this.text=this.DT.ToString(this.dateTimeSet.FormateString,(new zyqCultrueInfo(this.dateTimeSet.LanguageAndCountry,true)).DateTimeFormat);
}
return this.dateTimeSet;
}
set
{
this.dateTimeSet=value;
this.dateTimeSet.DateTimeFormatChanged +=new DateTimeFormateEventHandler(OnTextChanged);
this.text=this.DT.ToString(value.FormateString,(new zyqCultrueInfo(value.LanguageAndCountry,true)).DateTimeFormat);
}
}
[Browsable(true),Category("日期时间设置"),Description("设定时间和日期的格式类型。此属性只在AutoFitClientBrowser属性为true时，才起作用。")]
public DateFormatOption DateTimeOption
{
get{return this._dfo;}
set
{
this._dfo = value;
if(this.AutoFitClientBrowser)
if(this.Site !=null)
if(this.Site.DesignMode)
this.AutoFit(CultureInfo.CurrentCulture.Name.ToLower());
}
}
#endregion
#region 构造
public DateTimePickLabel():base()
{
myInfo=new zyqCultrueInfo(DateTimeFormatShow.LanguageAndCountry,true);
_dt= DateTime.Now;
this.Text=DT.ToString(this.DateTimeFormatShow.FormateString,myInfo.DateTimeFormat);
}
#endregion
#region 重写相关受保护的函数和方法
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
}
protected override void OnPreRender(EventArgs e)
{
if(Page !=null)
{
if(this.AutoFitClientBrowser)
{
this.AutoFit(this.Context.Request.UserLanguages[0].ToLower());
// Page.Response.Charset =this.myInfo.Name;
Page.Response.Write(this.Context.Request.UserLanguages[0]+"--"+this.myInfo.Name+"<br>");
}
}
this.ToolTip =this.DateTimeFormatShow.FormateString+"(space,\".\",\"/\",\"-\",\":\")";
this.text =this.DT.ToString(this.DateTimeFormatShow.FormateString,this.myInfo.DateTimeFormat);
}
/// <summary>
/// 将此控件呈现给指定的输出参数。
/// </summary>
/// <param name="output"> 要写出到的 HTML 编写器 </param>
protected override void Render(HtmlTextWriter output)
{
base.Render(output);
}
#endregion
#region 事件处理
private void OnTextChanged(object Sender, FormatChangeEventArgs e)
{
try
{
if(this.myInfo !=null)
this.myInfo =null;
this.myInfo = new zyqCultrueInfo(e.DTSetting.LanguageAndCountry,true);
this.text =this.DT.ToString(e.DTSetting.FormateString,myInfo.DateTimeFormat );
}
catch(Exception ee)
{
Page.Response.Write(ee.Message+"<br>");
this.myInfo=null;
}
finally
{
}
}
#endregion
#region 私有方法和函数
private void AutoFit(string Value)
{
if(this.myInfo !=null)
this.myInfo =null;
this.myInfo =new zyqCultrueInfo(Value,true);
this.DateTimeFormatShow = new DTFormatSetting();
this.DateTimeFormatShow.LanguageAndCountry = this.myInfo.Name.ToLower();
this.DateTimeFormatShow.FormateString=this.myInfo.GetFormatString(this.DateTimeOption.ToString());
}
#endregion
}
}
