本文介绍了一个自定义的ASP.NET日期选择控件的实现细节，该控件能够展示多个月份的日历，并允许用户通过多种方式选择日期，包括单选、连续选择等。文章详细展示了控件的代码实现。
点击下载工程
其中FinalTest.aspx为测试页面
using
System;
using
System.Text;
using
System.ComponentModel;
using
System.Web.UI;
using
System.Collections;
/**/
/*
* 此控件已经完成自身所带的功能 类似时间选择应该属于别的组件所负责的工作职责，而非把所有的 * 功能都堆砌成一个控件，应该模块化 细化。 * 2007-6-4 21：40开始修改控件 * * 1、跟blog上的旧代码比较被错误更改的的代码2处， * 2、处理造成脚本错误的代码， * 3、把时间选择的功能交给用户控件来处理 * 22：20分出去喝了杯凉茶 * 添加2个月份为一行的功能 * 在2005下完成所有的功能，并转化在2003下 * * 至23：33完成全部功能,并上传到web上 * * 
* */
namespace
Controls
{ public class DateControl : System.Web.UI.WebControls.WebControl, System.Web.UI.INamingContainer, System.Web.UI.IPostBackEventHandler
{ //private const int PerRow=3; public int PerRow { get { if(ViewState["PerRow"]==null) ViewState["PerRow"]="3"; return Convert.ToInt32(ViewState["PerRow"]);
} set { ViewState["PerRow"]=value.ToString(); } } private static readonly object ClickKey = new object(); [Description("单击日期触发的事件！")] public event EventHandler Click { add { Events.AddHandler(ClickKey, value); } remove { Events.RemoveHandler(ClickKey, value); } } private static readonly string[] header = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; private DateTime startDate { get { return Convert.ToDateTime(this.StartDate + "-01"); } } /**//// <summary> /// Gets or sets the show date. /// </summary> /// <value>The show date.</value> [Description("格式必须为yyyy-MM一样")] public string StartDate { get { if (ViewState["startdate"] == null) { // if (startDate.ToShortDateString() == null) // startDate = Convert.ToDateTime(System.DateTime.Now.Year + "-" + System.DateTime.Now.Month + "-01"); ViewState["startdate"] = Convert.ToDateTime(System.DateTime.Now.Year + "-" + System.DateTime.Now.Month + "-01").ToString("yyyy-MM"); } return ViewState["startdate"].ToString(); } set { //if (value == null) //{ // startDate = Convert.ToDateTime(System.DateTime.Now.Year + "-" + System.DateTime.Now.Month + "-01"); //} //else //{ // startDate = Convert.ToDateTime(value + "-01"); //} ViewState["startdate"] = value; } } private DateTime endDate { get { return Convert.ToDateTime(this.EndDate + "-01"); } } [Description("格式必须为yyyy-MM一样")] public string EndDate { get { if (ViewState["enddate"] == null) { //if (endDate.ToShortDateString() == null) // endDate = Convert.ToDateTime(System.DateTime.Now.Year + "-" + System.DateTime.Now.Month + "-01"); ViewState["enddate"] = Convert.ToDateTime(System.DateTime.Now.Year + "-" + System.DateTime.Now.Month + "-01").ToString("yyyy-MM"); } return ViewState["enddate"].ToString(); } set { //if (value == null) //{ // endDate = Convert.ToDateTime(System.DateTime.Now.Year + "-" + System.DateTime.Now.Month + "-01"); //} //else //{ // endDate = Convert.ToDateTime(value + "-01"); //} ViewState["enddate"] = value; } } [Description("预定的日期")] [BrowsableAttribute(false)] public string SelectedDate { get { if (Page.Request.Form["datacontrolhid"] != null) { return Page.Request.Form["datacontrolhid"].ToString(); } else { return string.Empty; } } } private string initDate; [Description("字符串形式的数据源")] public string InitDate { set { initDate = value; } get { return initDate; } } protected override void OnPreRender(EventArgs e) { base.OnPreRender(e); 嵌入css和javascript#region 嵌入css和javascript // string str = "<link href=\"" + Page.ResolveUrl("~/page.css") + "\" type=\"text/css\" rel=\"stylesheet\" />" //间接引用css string str = "<style type=\"text/css\" rel=\"stylesheet\">" //直接嵌入css + ".borderAll {BORDER-RIGHT: #009a00 1px solid; BORDER-TOP: #009a00 1px solid; BORDER-LEFT: #009a00 1px solid; BORDER-BOTTOM: #009a00 1px solid }" + ".borderBottom { cursor:hand;BORDER-BOTTOM: #009a00 1px solid; }.borderRightBottom {BORDER-RIGHT: #009a00 1px solid; BORDER-BOTTOM: #009a00 1px solid;cursor:hand; }.styleCannot { cursor:hand; }.styleCan { cursor:hand;BACKGROUND-COLOR: #99ffff; }" + "</style>" // + "<script type=\"text/javascript\" src=\"" + Page.ResolveUrl("~/Fun_JScript.js") + "\"></script>" //间接引用javascript + "<script type=\"text/javascript\">" //直接引用javascript + "function isDate(strDate){var strSeparator = \"-\";var strDateArray;var intYear;var intMonth;var intDay;var boolLeapYear;strDateArray = strDate.split(strSeparator);if(strDateArray.length!=3) return false;intYear = parseInt(strDateArray[0],10);intMonth = parseInt(strDateArray[1],10);intDay = parseInt(strDateArray[2],10);" + "if(isNaN(intYear)||isNaN(intMonth)||isNaN(intDay)) return false;if(intMonth>12||intMonth<1) return false;if((intMonth==1||intMonth==3||intMonth==5||intMonth==7||intMonth==8||intMonth==10||intMonth==12)&&(intDay>31||intDay<1)) return false;" + "if((intMonth==4||intMonth==6||intMonth==9||intMonth==11)&&(intDay>30||intDay<1)) return false;if(intMonth==2){if(intDay<1) return false;boolLeapYear = false;if((intYear%100)==0){if((intYear%400)==0) boolLeapYear = true;}else{if((intYear%4)==0) boolLeapYear = true;}if(boolLeapYear){if(intDay>29) return false;}else{if(intDay>28) return false;}}return true;}" + "function better_time(strDateStart,strDateEnd){var strSeparator = \"-\";var strDateArrayStart;var strDateArrayEnd;var intDay;strDateArrayStart = strDateStart.split(strSeparator);strDateArrayEnd = strDateEnd.split(strSeparator);var strDateS = new Date(strDateArrayStart[0] + \"/\" + strDateArrayStart[1] + \"/\" + strDateArrayStart[2]);" + "var strDateE = new Date(strDateArrayEnd[0] + \"/\" + strDateArrayEnd[1] + \"/\" + strDateArrayEnd[2]);intDay = (strDateS-strDateE)/(1000*3600*24);return intDay;}" + "</script>" + "<script type=\"text/javascript\" >" + "var AdSeatListArray = null;var oldFocusCell = null;var focusCell = null;" +"function SETime(){if(document.getElementById('sYear1').value!=null){document.getElementById('')}}" + "function document.onselectstart(){return false;}function Add(id,value){Remove(id,value);document.getElementById('datacontrolhid').value=value+';'+document.getElementById('datacontrolhid').value;}" + "function Remove(id,value){document.getElementById('datacontrolhid').value=document.getElementById('datacontrolhid').value.replace(value+';','');}" + "function showState(){var operateType = parseInt(document.forms[0].selectOperateType.value);var frequency = parseInt(document.forms[0].selectFrequency.value);for(var i=0;i<MonthCount;i++){setTable(i,operateType,frequency);}}" + "function setTable(index,type,frequency){var table =document.getElementById(\"TableAdSeatState_\"+index);var rowLength = table.rows.length;var colLength = table.rows(1).cells.length;var today = new Date();var today = today.getFullYear() + \"-\" + (today.getMonth()+1) + \"-\" + today.getDate();for(var row=2;row<rowLength;row++){for(var col = 0; col< colLength; col++){var day = table.rows(row).cells(col).getAttribute(\"day\");" + "var Occupancy = table.rows(row).cells(col).getAttribute(\"Occupancy\");if((Occupancy==null)||(better_time(today,day)>0))table.rows(row).cells(col).className = \"\";else{Occupancy = parseInt(Occupancy);if(type==1){Occupancy += parseInt(table.rows(row).cells(col).getAttribute(\"Largess\"));}if(Occupancy + frequency > 100){table.rows(row).cells(col).className = \"styleCannot\";}else{table.rows(row).cells(col).className = \"styleCan\";}}}}}" + "function selectedList(){AdSeatListArray = new Array();var operateType = parseInt(document.forms[0].selectOperateType.value);var frequency = parseInt(document.forms[0].selectFrequency.value);" + "for(var i=0;i<MonthCount;i++){createResultByIndex(i,operateType,frequency);}if(AdSeatListArray.length == 0){if(window.confirm(\"您还没有选中要预定的日期，继续吗？\"))window.parent.submitAdProject(AdSeatListArray);}else{window.parent.submitAdProject(AdSeatListArray);}}" + "function createResultByIndex(index,type,frequency){var table =document.getElementById(\"TableAdSeatState_\"+index);var rowLength = table.rows.length;var colLength = table.rows(1).cells.length;for(var row=2;row<rowLength;row++){for(var col = 0; col< colLength; col++)" + "{var td = table.rows(row).cells(col);if(td.className == \"styleCan\"){if(td.style.backgroundColor == \"#00008b\"){var day = td.getAttribute(\"day\");if(AdSeatListArray.length == 0){var adSeatObject = new Object();adSeatObject.adSeatID = currentAdSeatID;adSeatObject.adSeatName = currentAdSeatName;adSeatObject.opType = type;adSeatObject.beginDate = day;adSeatObject.endDate = day;" + "adSeatObject.frequency = frequency;AdSeatListArray[0] = adSeatObject;}else{var adSeatObject = AdSeatListArray[AdSeatListArray.length - 1];if(better_time(day,adSeatObject.endDate)==1)" + "{adSeatObject.endDate = day;}else{var adSeatObject = new Object();adSeatObject.adSeatID = currentAdSeatID;adSeatObject.adSeatName = currentAdSeatName;adSeatObject.opType = type;adSeatObject.beginDate = day;adSeatObject.endDate = day;adSeatObject.frequency = frequency;AdSeatListArray[AdSeatListArray.length] = adSeatObject;}}}}}}}" + "function header_onclick(){var element = event.srcElement;var table = element.parentNode.parentNode.parentNode;var rowLength = table.rows.length;var colLength = table.rows(1).cells.length;" + "for(var row=2;row<rowLength;row++){for(var col = 0; col< colLength; col++){var td = table.rows(row).cells(col);if(td.className == \"styleCan\"){if(table.selected){Add('',td.day);td.style.backgroundColor = \"#00008b\";td.style.color = \"white\";}else{Remove('',td.day);td.style.backgroundColor = \"\";td.style.color = \"\";}}}}table.selected = !table.selected;for(var i=0;i<7;i++){ table.rows(1).cells(i).selected = table.selected;}}" + "function week_onclick(){var element = event.srcElement;var table = element.parentNode.parentNode.parentNode;var index = element.cellIndex;var rowLength = table.rows.length;for(var row=2;row<rowLength;row++){" + "var td = table.rows(row).cells(index);if(td.className == \"styleCan\"){if(element.selected){Add('',td.day);td.style.backgroundColor = \"#00008b\";td.style.color = \"white\";}else{Remove('',td.day);td.style.backgroundColor = \"\";td.style.color = \"\";}}}element.selected = !element.selected;}" + "function day_onclick(){selectedCells(1);}function day_oncontextmenu(){selectedCells(2);window.event.cancelBubble = true;window.event.returnValue = false;}" + "function selectedCells(buttonIndex){var element = event.srcElement;if(element.tagName == \"FONT\"){element = element.parentNode;}if(event.shiftKey){if(element==focusCell){if(buttonIndex == 1)setCellSelected(element,true);else setCellSelected(element,false);}else{oldFocusCell = focusCell;restoreOldFocusCell();" + "if(buttonIndex == 1)setSelectedCells(oldFocusCell,element,true);else setSelectedCells(oldFocusCell,element,false);}}else{restoreOldFocusCell();if(buttonIndex == 1) setCellSelectedAuto(element);else setCellSelected(element,false);}focusCell = element;}" + "function restoreOldFocusCell(){var element = event.srcElement;if((focusCell != null)&&(focusCell != element)){focusCell.style.borderRight = \"silver 1px solid\";focusCell.style.borderTop = \"silver 1px solid\";focusCell.style.borderLeft = \"silver 1px solid\";focusCell.style.borderBottom = \"silver 1px solid\";}focusCell = element;}" + "function setSelectedCells(oldCell,newCell,selected){var strSeparator = \"_\";var table1 = oldCell.parentNode.parentNode.parentNode;var table2 = newCell.parentNode.parentNode.parentNode;var index1 = parseInt(table1.id.split(strSeparator)[1]);var index2 = parseInt(table2.id.split(strSeparator)[1]);" + "if(index1==index2){var rowIndex1 = oldCell.parentNode.rowIndex;var rowIndex2 = newCell.parentNode.rowIndex;if(rowIndex1==rowIndex2){if(oldCell.cellIndex<newCell.cellIndex)setCellSelectedBetween(oldCell,newCell,selected);else setCellSelectedBetween(newCell,oldCell,selected);}else if(rowIndex1<rowIndex2)" + "{setCellSelectedBetween(oldCell,newCell,selected);}else{setCellSelectedBetween(newCell,oldCell,selected);}}else{var first = null;var second = null;var firstTable = null;var secondTable = null;var firstCell = null;var secondTable = null;if(index1<index2){first = index1;second = index2;" + "firstTable = table1;secondTable = table2;firstCell = oldCell;secondCell = newCell;}else{first = index2;second = index1;firstTable = table2;secondTable = table1;firstCell = newCell;secondCell = oldCell;}var rowLength = firstTable.rows.length;var colLength = firstTable.rows(1).cells.length;" + "setCellSelectedBetween(firstCell,firstTable.rows(rowLength-1).cells(colLength-1),selected);for(var i=first+1;i<second;i++){setTableSelected(i,selected);}rowLength = secondCell.parentNode.rowIndex;colLength = secondCell.cellIndex;setCellSelectedBetween(secondTable.rows(2).cells(0),secondCell,selected);}}" + "function setCellSelectedBetween(cell1,cell2,selected){var table = cell1.parentNode.parentNode.parentNode;var rowIndex1 = cell1.parentNode.rowIndex;var rowIndex2 = cell2.parentNode.rowIndex;var cellIndex1 = cell1.cellIndex;var cellIndex2 = cell2.cellIndex;var row = rowIndex1;var col = cellIndex1;" + "do{setCellSelected(table.rows(row).cells(col),selected);if(col==6){col = 0;row++;}else col++;}while((row!=rowIndex2)||(col!=cellIndex2))setCellSelected(table.rows(row).cells(col),selected)}" + "function setTableSelected(index,selected){var table = eval(\"window.document.all.TableAdSeatState_\" + index);var rowLength = table.rows.length;var colLength = table.rows(1).cells.length;for(var row=2;row<rowLength;row++){for(var col = 0; col< colLength; col++)" + "{var td = table.rows(row).cells(col);setCellSelected(td,selected)}}table.selected = true;for(var i=0;i<7;i++){table.rows(1).cells(i).selected = table.selected;}}" + "function setCellSelected(td,cellSelected){if(td.className == \"styleCan\"){if(cellSelected){Add('',td.day);td.style.backgroundColor = \"#00008b\";td.style.color = \"white\";}else{Remove('',td.day);td.style.backgroundColor = \"\";td.style.color = \"\";}}}" + "function setCellSelectedAuto(td){if(td.className == \"styleCan\"){if(td.style.backgroundColor == \"#00008b\"){Remove('',td.day);td.style.backgroundColor =\"\";td.style.color = \"\";}else{Add('',td.day);td.style.backgroundColor = \"#00008b\";td.style.color = \"white\";}}}" + "</script>"; // + "<script type=\"text/javascript\" src=\"" + Page.ResolveUrl("~/page.js") + "\"></script>"; //间接引用javascript #endregion //Page.Header.Controls.Add(new LiteralControl(str)); if (!Page.IsClientScriptBlockRegistered("tdate")) { Page.RegisterClientScriptBlock("tdate", str); } } protected override void Render(HtmlTextWriter writer) { int j = 0; //用于月份的累加，即从startDate一直加到endDate DateTime tempDate = new DateTime(); //表示从startDate到endDate之间月份的临时变量 // string sTime = string.Empty; // string eTime = string.Empty; writer.Write("<input type='hidden' name='datacontrolhid' id='" + this.UniqueID + "hid'/>");//隐藏域，用于存放客户选中的日期 //writer.Write("<input type='hidden' name='SToSDate' id='SToSDate'>"); //writer.Write("<input type='hidden' name='SToEDate' id='SToEDate'>"); //writer.Write("<a>开始时间：</a><select id=\"sYear1\" onchange=document.getElementById('SToEDate').value=document.getElementById(\"sYear1\").value+\"-\"+>"); //for (int i = 2000; i < 2050; i++) //{ // writer.Write("<option id=op" + i.ToString() + " value='" + i.ToString() + "'>" + i.ToString() + "</option>"); //} //writer.Write("</select>年<select id=\"sMonth1\" onchange=document.getElementById('SToEDate').value=\"0\"+document.getElementById(\"sMonth1\").value;>"); //for (int i = 1; i < 13; i++) //{ // writer.Write("<option id=op2" + i.ToString() + " value='" + i.ToString() + "'>" + i.ToString() + "</option>"); //} //writer.Write("</select>月"); //writer.Write(" "); //writer.Write("<a>结束时间：</a><select id=\"sYear2\" onchange=alert(document.getElementById(\"sYear2\").value);>"); //for (int i = 2000; i < 2050; i++) //{ // writer.Write("<option id=op" + i.ToString() + " value='" + i.ToString() + "'>" + i.ToString() + "</option>"); //} //writer.Write("</select>年<select id=\"sMonth2\" onchange=alert(document.getElementById(\"sMonth2\").value)>"); //for (int i = 1; i < 13; i++) //{ // writer.Write("<option id=op2" + i.ToString() + " value='" + i.ToString() + "'>" + i.ToString() + "</option>"); //} //writer.Write("</select>月"); //writer.Write("<input type='button' id='btnView' onclick=\"javascript:document.getElementById('SToSDate').value=document.getElementById('sYear1').value+'-'+document.getElementById('sMonth1').value;document.getElementById('SToEDate').value=document.getElementById('sYear2').value+'-'+document.getElementById('sMonth2').value;__doPostBack('"+this.UniqueID+"','');\" value='查看'></input>"); writer.RenderBeginTag(HtmlTextWriterTag.Table); int k=0; do //为每个月画出一张表格 { if(k%PerRow==0) writer.RenderBeginTag(HtmlTextWriterTag.Tr); writer.RenderBeginTag(HtmlTextWriterTag.Td); //为table标签定义属性和样式，注意：是先写出属性，再给出标签 writer.AddAttribute(HtmlTextWriterAttribute.Width, "380px"); writer.AddAttribute(HtmlTextWriterAttribute.Border, "1px"); writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0"); writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0"); writer.AddAttribute(HtmlTextWriterAttribute.Bordercolor, "#cccc99"); tempDate = startDate.AddMonths(j); //给出标签 writer.Write("<table id=\"TableAdSeatState_" + j.ToString() + "\" month=\"" + tempDate.ToString("yyyy-MM") + "\" selected=\"false\" cellspacing=\"0\" cellpadding=\"2\" bordercolor=\"silver\" border=\"1\" class=\"borderAll\" width=\"100%\">"); writer.RenderBeginTag(HtmlTextWriterTag.Tr); writer.Write("<td colspan=\"7\" align=\"middle\" class=\"borderBottom\" onclick=\"header_onclick()\">"); //结束标记 writer.Write(tempDate.Year + "年" + tempDate.Month + "月"); //计算当月的年月 writer.Write("</td>"); writer.RenderEndTag(); writer.RenderBeginTag(HtmlTextWriterTag.Tr); //画出星期几 for (int i = 0; i < DateControl.header.Length; i++) { // writer.RenderBeginTag(HtmlTextWriterTag.Td); // writer.Write(DateControl.header[i]); // writer.RenderEndTag(); writer.Write("<td selected=\"false\" align=\"middle\" bgcolor=\"#99cc33\" class=\"borderRightBottom\" onclick=\"week_onclick()\">"); writer.Write(DateControl.header[i]); writer.Write("</td>"); } writer.RenderEndTag(); DateTime end = tempDate.AddMonths(1); int days = ((TimeSpan)end.Subtract(tempDate)).Days; //计算当月的天数 int spaceday = Convert.ToInt32(tempDate.DayOfWeek); //计算当天是周几并转换成数字 writer.AddAttribute(HtmlTextWriterAttribute.Align, "center"); writer.RenderBeginTag(HtmlTextWriterTag.Tr); //以下循环是用于把1号之前的日期用“ ”即空格填充 for (int i = 0; i < spaceday; i++) { writer.RenderBeginTag(HtmlTextWriterTag.Td); writer.WriteLine(" "); writer.RenderEndTag(); } int t = 0; //以下循环用于填充日期，并能把周末用红色标记出来，且伴随着事件的响应即颜色的变化。 for (int i = 1; i <= days; i++) { //定义一个变量存放当月的第一天 string tddate = tempDate.ToString("yyyy-MM") + "-" + i.ToString().PadLeft(2, '0'); // writer.Write(Page.GetPostBackEventReference(this,this.StartDate+"-"+i.ToString().PadLeft(2,'0'))); writer.Write("<td align=\"middle\" Occupancy=\"0\" Prearrange=\"0\" Largess=\"0\" title=\"\" onclick=\"day_onclick()\" oncontextmenu=\"day_oncontextmenu()\" day=\"" + tddate + "\" "); //存放颜色参数 string colour = string.Empty; //存放类名 string classname = string.Empty; //如果系统时间之后背景颜色默认为可预定，即绿色，否则为白色，不可预定 if (Convert.ToDateTime(tddate) > System.DateTime.Now) { colour = "#99ffff"; classname = "styleCan"; } else { colour = "white"; classname = "styleCannot"; } //if语句是根据用户提供的数据源来对日历进行颜色的初始化 //过期无背景颜色(White)(sign:W)，已经被预定显示红色背景(sign:R)，可以预定显示绿色(sign:G)，被选中的显示蓝色(#6495ed)(sign:B) if (this.InitDate == "" || this.InitDate == null) { writer.Write(""); } else { this.InitDate = this.InitDate.TrimEnd(';'); string[] dateStrs = null; dateStrs = this.SplitPage(this.InitDate, ";"); for (int l = 0; l < dateStrs.Length; l++) { //如果当天已经被预定，则背景呈现红色 //switch (dateStrs[l].Substring(dateStrs[l].Length - 1)) //{ // case "R": //if (dateStrs[l].TrimEnd('R') == tddate) if (dateStrs[l] == tddate) { colour = "#ffc0cb"; classname = "styleCannot"; } // break; // case "G": // if (dateStrs[l].TrimEnd('G') == tddate) // { // colour = "#99ffff"; // classname = "styleCan"; // } // break; // default: // break; //} } } writer.Write(" style=\"background-color:" + colour + "\" class=\"" + classname + "\" "); //周末的字体显示红色 if (tempDate.AddDays(i - 1).DayOfWeek == System.DayOfWeek.Saturday || tempDate.AddDays(i - 1).DayOfWeek == System.DayOfWeek.Sunday) { writer.Write("><font color='red'>" + i.ToString() + "</font></td>"); } else { writer.Write(">" + i.ToString() + "</td>"); } //每到7天换行 if ((i + spaceday) % 7 == 0) { writer.RenderEndTag();// //处理月末是周六的情况// if ((i + spaceday) / 7 != 5)// {// writer.AddAttribute(HtmlTextWriterAttribute.Align, "center");// writer.RenderBeginTag(HtmlTextWriterTag.Tr);// }// else// {// //writer.RenderBeginTag(HtmlTextWriterTag.Tr);// } if(i!=days) { writer.RenderBeginTag(HtmlTextWriterTag.Tr); } } //下文备用 t = i; } //每个月的表格有5行和6行之分 if ((spaceday + days) % 7 != 0) { int allcount = spaceday + days > 35 ? 42 : 35; for (int i = 0; i < allcount - spaceday - days; i++) { writer.RenderBeginTag(HtmlTextWriterTag.Td); writer.Write(" "); writer.RenderEndTag(); } writer.RenderEndTag(); } writer.Write("</table>");// else// {/**///// if ((t + spaceday) / 7 != 5)//// {//// writer.RenderEndTag();//// }// writer.RenderEndTag();// writer.Write("</table>");// } j++; writer.RenderEndTag(); k++; if(k%PerRow==0) writer.RenderEndTag(); } while (tempDate < endDate); if(k%PerRow!=0) { for (int i = 0; i < PerRow-k%PerRow; i++) { writer.RenderBeginTag(HtmlTextWriterTag.Td); writer.Write(" "); writer.RenderEndTag(); } writer.RenderEndTag(); } writer.RenderEndTag(); } /**//// <summary> /// 把一个字符串以一个分隔符分开 /// </summary> /// <param name="source">需分割的字符串</param> /// <param name="split">分割符</param> /// <returns>字符数组</returns> private string[] SplitPage(string source, string split) { int len = split.Length; ArrayList al = new ArrayList(); int start = 0; //开始位置 int j = -1; //匹配索引位置 while (true) { j = source.IndexOf(split, start); if (j > -1) { al.Add(source.Substring(start, j - start)); int s = j - start; start = j + len; } else { al.Add(source.Substring(start)); break; } } string[] result; if (al.Count == 0) { string[] r = new string[1]; r[0] = source; result = r; } else { string[] r = new string[al.Count]; for (int i = 0; i < al.Count; i++) { r[i] = al[i].ToString(); } result = r; } return result; } //定义onclick事件处理程序 protected virtual void OnClick(StringEventArgs e) { EventHandler clickEventDelegate = (EventHandler)Events[ClickKey]; if (clickEventDelegate != null) { clickEventDelegate(this, e); } } IPostBackEventHandler 成员#region IPostBackEventHandler 成员 public void RaisePostBackEvent(string eventArgument) { //throw new Exception("The method or operation is not implemented."); OnClick(new StringEventArgs(eventArgument)); } #endregion } public class StringEventArgs : EventArgs { private string argString; public string ArgString { get { return argString; } } public StringEventArgs(string arg) { this.argString = arg; } public override string ToString() { return this.argString; } }}
运行效果如下图：
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