自定义日历控件

  1 using  System;
  2 using  System.Collections.Generic;
  3 using  System.Text;
  4 using  System.Web.UI;
  5 using  System.Web.UI.WebControls;
  6 using  System.Web.UI.HtmlControls;
  7 using  System.Drawing;
  8 using  System.Collections;
  9 using  System.Collections.Specialized;
 10 using  System.ComponentModel;
 11 /**/ /*
 12 * * ExpentDate:日期控件
 13 * * Writor:Susan
 14 * * DateTime:2006/12/18
 15 */
 16 namespace  CtrolBox
 17 {
 18    /**//// <summary>
 19    /// 日历控件
 20    /// </summary>
 21    public class ExpentDate: WebControl, INamingContainer,IPostBackDataHandler
 22    {
 23        控件属性#region 控件属性
 24            private TextBox _EditBox;
 25            private Calendar _calDate;
 26            private ImageButton _btnDate;
 27            public  int  _Columns=15;
 28            public TextStyle _Mode;
 29            public string _ImageUrl = "Images/Calendar.jpg";
 30            public bool _ReadOnly = true;
 31        #endregion
 32        属性定义#region 属性定义
 33            新增属性#region 新增属性
 34            /**//// <summary>
 35            /// 定义枚举变量
 36            /// </summary>
 37            public enum TextStyle
 38            {
 39                point,
 40                line,
 41                Midline,
 42                standard
 43             }
 44            [Bindable(true),
 45             Category("Appearance"),
 46             DefaultValue("Point"),
 47             Description("指定日期显示样式:point:.;line:/;midline:-;standard:xxxx年xx月xx日")]
 48             public TextStyle Mode
 49             {
 50                 get
 51                 {
 52                     return _Mode;
 53                 }
 54                 set
 55                 {
 56                     _Mode = value;
 57                 }
 58             }
 59            [Bindable(true),
 60             Category("Appearance"),
 61             DefaultValue("15"),
 62             Description("指定日期显示框的长度")]
 63            public int Columns
 64            {
 65                get
 66                {
 67                    return _Columns;
 68                }
 69                set
 70                {
 71                    _Columns = value;
 72                }
 73            }
 74            [Bindable(true),
 75             Category("Appearance"),
 76             DefaultValue("True"),
 77             Description("指定日期显示框的可读性")]
 78            public bool txtReadOnly {
 79                get
 80                {
 81                    return _ReadOnly;
 82                }
 83                set
 84                {
 85                    _ReadOnly = value;
 86                }
 87            }
 88            [Bindable(true),
 89             Category("Appearance"),
 90            DefaultValue("Images/Calendar.jpg"),
 91            Description("指定日期按钮所用图样")]
 92            public virtual string  ImageUrl
 93            {
 94                get
 95                {
 96                    return _ImageUrl;
 97                }
 98                set
 99                {
100                    _ImageUrl = value;
101                }
102            }
103            /**//// <summary>
104            /// 开放出来text控件,用于server端取值
105            /// </summary>
106            [Bindable(true),
107             Category("Appearance"),
108            DefaultValue(""),
109            Description("文本框选中值")]
110            public string  SelectedText {
111                get
112                {
113                    return _EditBox.Text;
114                }
115                set
116                {
117                    _EditBox.Text = value;
118                }
119            }
120            private string _OnClientChangedText="";
121            [Bindable(true),
122             Category("Appearance"),
123            DefaultValue(""),
124            Description("文本框Client事件")]
125            public string OnClientChangedText
126            {
127                get
128                {
129                    return _OnClientChangedText;
130                }
131                set
132                {
133                    _OnClientChangedText = value;
134                }
135            }
136            private string _OnClientChangedKey="onchange";
137            [Bindable(true),
138             Category("Appearance"),
139            DefaultValue(""),
140           Description("文本框Client事件类型")]
141            public string OnClientChangedKey
142            {
143                get
144                {
145                    return _OnClientChangedKey;
146                }
147                set
148                {
149                    _OnClientChangedKey = value;
150                }
151            }
152            #endregion
153            公开属性#region 公开属性
154            [Bindable(true),
155                 Category("Appearance"),
156                 DefaultValue(""),
157                 Description("文本框的事件")]
158            public event System.EventHandler TextChanged;
159            public void OnTextChanged(Object Sender, EventArgs e)
160            {
161                if (TextChanged != null)
162                    TextChanged(this, e);
163            }
164            #endregion
165        #endregion
166        控件实现#region 控件实现
167            重载函数#region 重载函数
168            /**//// <summary>
169            /// 定义控件内容
170            /// </summary>
171            protected override void CreateChildControls() 
172            {
173                try
174                {
175                    this.Controls.Clear();
176                    //添加第一个控件：textbox控件;
177                    this._EditBox = new TextBox();
178                    this._EditBox.TextChanged += new EventHandler(OnTextChanged);
179                    this._EditBox.Attributes.Add(this._OnClientChangedKey, this._OnClientChangedText);
180                    this._EditBox.Columns =this._Columns;
181                    this._EditBox.ID = "EditBox";
182                    this._EditBox.ReadOnly = this._ReadOnly;
183                    this._EditBox.Text = fn_getDate(DateTime.Now.ToString("yyyy-MM-dd"));
184                    this.Controls.Add(new LiteralControl("<table><tr><td valign=\"Top\"
185 width=\"100%\">"));
186                    this.Controls.Add(this._EditBox);
187                    //添加第二个参数，标志位
188                    HtmlInputHidden hidonClickFlg = new HtmlInputHidden();
189                    hidonClickFlg.ID = "hidonClickFlg";
190                    hidonClickFlg.Value = "Y";
191                    this.Controls.Add(hidonClickFlg);
192                    //加入操作button
193                    this._btnDate = new ImageButton();
194                    this._btnDate.ID = "btnDate";
195                    this._btnDate.ImageUrl = this._ImageUrl;
196                    this._btnDate.Click += new ImageClickEventHandler(_btnDate_Click);
197                    this.Controls.Add(this._btnDate);
198                    //加入日历
199                    this.Controls.Add(new LiteralControl("&nbsp;</td></tr></table>
200<div id='divextenddate' style='POSITION:absolute;display:;'>"));
201                    //整体设置
202                    this._calDate = new Calendar();
203                    this._calDate.ID = "calDate";
204                    this._calDate.BackColor = Color.White;               
205                    this._calDate.ShowGridLines = true;
206                    this._calDate.BorderColor = Color.DodgerBlue;
207                    this._calDate.BorderStyle = BorderStyle.Double;
208                    this._calDate.Font.Size = 10;
209                    this._calDate.Font.Name = "Verdana";
210                    this._calDate.ForeColor = Color.Black;
211                    this._calDate.Visible = false;
212                    //设置title
213                    this._calDate.TitleStyle.BackColor = Color.DodgerBlue;
214                    this._calDate.TitleStyle.ForeColor = Color.White;
215                    //设置星期
216                    this._calDate.DayHeaderStyle.BackColor = Color.WhiteSmoke;
217                    this._calDate.DayHeaderStyle.ForeColor = Color.Black;
218                    //设置上下月
219                    this._calDate.NextPrevFormat = NextPrevFormat.CustomText;
220                    this._calDate.NextPrevStyle.ForeColor = Color.White;
221                    this._calDate.NextPrevStyle.Font.Size = 8;
222                    //设置其它的：当前日期，选中日期,不是本月的日期
223                    this._calDate.OtherMonthDayStyle.ForeColor = Color.DarkGray;
224                    this._calDate.TodayDayStyle.BackColor = Color.Coral;
225                    this._calDate.TodayDayStyle.ForeColor = Color.White;
226                    this._calDate.SelectedDayStyle.BackColor = Color.CornflowerBlue;
227                    this._calDate.SelectedDayStyle.ForeColor = Color.White;
228                    //添加事件            
229                    this._calDate.SelectionChanged += new EventHandler(_calDate_SelectionChanged);
230                    this._calDate.Attributes.Add("onclick", "document.all." + hidonClickFlg.ClientID + ".value='Y';");             
231                    this.Controls.Add(this._calDate);
232                    this.Controls.Add(new LiteralControl("</div>"));
233                    //加入js事件用于点其它地方时，隐藏日历
234                    this.Controls.Add(new LiteralControl("<SCRIPT event=onclick()  for=document>if(document.all." +
235  hidonClickFlg.ClientID + ".value!='Y'){divextenddate.style.display='none';}else{document.all." + 
236hidonClickFlg.ClientID + ".value='';divextenddate.style.display='';}</SCRIPT>"));
237                }
238                catch (Exception exception2)
239                {
240                    throw exception2;
241                }
242            }        
243            /**//// <summary>
244            /// 实现接口function
245            /// </summary>
246            /// <param name="postDataKey"></param>
247            /// <param name="postCollection"></param>
248            /// <returns></returns>
249            public virtual bool LoadPostData(string postDataKey, NameValueCollection postCollection)
250            {
251                return true;
252            }
253            /**//// <summary>
254            ///  实现接口function
255            /// </summary>
256            public virtual void RaisePostDataChangedEvent()
257            {
258                try
259                {
260                }
261                catch (Exception exception2)
262                {
263                    throw exception2;
264                }
265            }
266            /**//// <summary>
267            /// 重载funciton
268            /// </summary>
269            /// <param name="writer"></param>
270            protected override void Render(HtmlTextWriter writer)
271            {
272                this.EnsureChildControls();
273                base.Render(writer);
274            }
275            /**//// <summary>
276            /// 重载function 
277            /// </summary>
278            public override void DataBind()
279            {
280                try
281                {
282                    base.DataBind();
283                }
284                catch (Exception exception2)
285                {
286                    throw exception2;
287                }
288            }
289            #endregion
290            一般函数#region 一般函数
291            /**//// <summary>
292            /// 日期button事件
293            /// </summary>
294            /// <param name="sender"></param>
295            /// <param name="e"></param>
296            void _btnDate_Click(object sender, ImageClickEventArgs e)
297            {
298                this._calDate.Visible = true;
299            }
300            /**//// <summary>
301            /// 选定日期function
302            /// </summary>
303            /// <param name="sender"></param>
304            /// <param name="e"></param>
305            void _calDate_SelectionChanged(object sender, EventArgs e)
306            {
307                if (this._calDate.SelectionMode.Equals(CalendarSelectionMode.Day))
308                {
309                    string strdate=this._calDate.SelectedDate.ToString();
310                    strdate = strdate.Substring(0, strdate.IndexOf(":") - 2);
311                    this._EditBox.Text = fn_getDate(strdate);
312                    this._calDate.Visible = false;
313                    //加载事件
314                    OnTextChanged(sender, e);
315                }
316                else {
317                    this._calDate.Visible = true;
318                }
319            }
320            /**//// <summary>
321            /// 转换日期格式
322            /// </summary>
323            /// <param name="strdate">要转日期</param>
324            /// <returns></returns>
325            protected string fn_getDate(string strdate){
326                switch (this._Mode)
327                {
328                    case TextStyle.line:
329                        strdate = strdate.Replace("-", "/");
330                        break;
331                    case TextStyle.point:
332                        strdate = strdate.Replace("-", ".");
333                        break;
334                    case TextStyle.Midline:
335                        strdate = strdate.Replace("-", "-");
336                        break;
337                    default:
338                        strdate = (strdate.Split("-".ToCharArray()))[0] + "年" + (strdate.Split("-".ToCharArray()))[1] + "月" +
339strdate.Split("-".ToCharArray())[2] + "日";
340                        break;
341                }
342                return strdate;
343            }
344            #endregion
345        #endregion
346    }
347}
348 注册到专案中(web.config)
349 < pages >
350      < controls >
351          <!--  注册自定义控件  -->
352          < add tagPrefix = " ppmis "   namespace = " CtrolBox "  assembly = " CtrolBox " />
353          <!--  注册用户控件  -->
354          < add tagPrefix = " ppmis "  src = " ~/Controls/UnitCtl.ascx "  tagName = " UnitCtl " />
355      </ controls >
356 </ pages >
357
358