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 //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 } 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：
