Содержание

1 Appointment based on Calendar (C#)
2 Bind selected dates from a calendar to asp:BulletedList
3 Calendar control and some of its colorful styles
4 Calendar day renderer event (C#)
5 Calendar selection changed event (C#)
6 Calendar style
7 Calendar Control
- 7.1 Styles
- 7.2 Calendar with events
8 Using DayRender

Appointment based on Calendar (C#)

   <source lang="csharp">

File: Default.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Appointment" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Untitled Page</title>

</head> <body>

   <form id="form1" runat="server">

           <tr>
               <td>
                   Choose day:

                   <asp:Calendar ID="MyCalendar" 
                                 runat="server" 
                                 OnDayRender="MyCalendar_DayRender" 
                                 OnSelectionChanged="MyCalendar_SelectionChanged">
                   </asp:Calendar>
               </td>
               <td >
                   Choose time:

                   <asp:ListBox ID="lstTimes" 
                                runat="server" 
                                Height="168px" 
                                Width="136px"></asp:ListBox></td>
           </tr>

   </form>

</body> </html>

File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class Appointment : System.Web.UI.Page {

   protected void MyCalendar_SelectionChanged(object sender, EventArgs e)
   {
       lstTimes.Items.Clear();
       switch (MyCalendar.SelectedDate.DayOfWeek)
       {
           case DayOfWeek.Monday:
               lstTimes.Items.Add("10:00");
               lstTimes.Items.Add("10:30");
               lstTimes.Items.Add("11:00");
               break;
           default:
               lstTimes.Items.Add("10:00");
               lstTimes.Items.Add("10:30");
               lstTimes.Items.Add("11:00");
               lstTimes.Items.Add("11:30");
               lstTimes.Items.Add("12:00");
               lstTimes.Items.Add("12:30");
               break;
       }
   }
   protected void MyCalendar_DayRender(object sender, DayRenderEventArgs e)
   {
       if (e.Day.Date.Day == 28 && e.Day.Date.Month == 2)
       {
           e.Cell.BackColor = System.Drawing.Color.Yellow;
           Label lbl = new Label();
           lbl.Text = "
My Birthday!";
           e.Cell.Controls.Add(lbl);
       }
       if (e.Day.Date.Year > 2000)
       {
           e.Day.IsSelectable = false;
       }
   }

}</source>

Bind selected dates from a calendar to asp:BulletedList

   <source lang="csharp">

<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server">

   protected void btnSubmit_Click(object sender, EventArgs e)
   {
       bltResults.DataSource = Calendar1.SelectedDates;
       bltResults.DataBind();
   }

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">

   <title>Calendar SelectionMode</title>

</head> <body>

   <form id="form1" runat="server">

   <asp:Calendar
       id="Calendar1"
       SelectionMode="DayWeekMonth"
       runat="server" />
   


   <asp:Button
       id="btnSubmit"
       Text="Submit"
       OnClick="btnSubmit_Click"
       Runat="server" />

   <asp:BulletedList
       id="bltResults"
       DataTextFormatString="{0:d}"
       Runat="server" />

   </form>

</body> </html></source>

Calendar control and some of its colorful styles

   <source lang="csharp">

<%@ Page language="C#"%> <html> <head runat="server">

   <title>Calendars</title>

</head> <body>

       <form id="Form1" runat="server">
           <asp:Calendar ID="Calendar1" 
                         runat="server" 
                         BackColor="White" 
                         BorderColor="#3366CC"
                         BorderWidth="1px" 
                         CellPadding="1" 
                         DayNameFormat="Shortest" 
                         Font-Names="Verdana"
                         Font-Size="8pt" 
                         ForeColor="#003399" 
                         Height="200px" 
                         SelectedDate="2007-08-16"
                         VisibleDate="2007-08-16" Width="220px">
               <SelectedDayStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
               <SelectorStyle BackColor="#99CCCC" ForeColor="#336666" />
               <WeekendDayStyle BackColor="#CCCCFF" />
               <OtherMonthDayStyle ForeColor="#999999" />
               <TodayDayStyle BackColor="White" ForeColor="Transparent" />
               <NextPrevStyle Font-Size="8pt" ForeColor="#CCCCFF" />
               <DayHeaderStyle BackColor="#99CCCC" ForeColor="#336666" Height="1px" />
               <TitleStyle BackColor="#003399" 
                           BorderColor="#3366CC" 
                           BorderWidth="1px" 
                           Font-Bold="True"
                           Font-Size="10pt" 
                           ForeColor="#CCCCFF" 
                           Height="25px" />
           </asp:Calendar>
        </form>

</body> </html></source>

Calendar day renderer event (C#)

   <source lang="csharp">

File: Default.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="CalendarTest" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Untitled Page</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:Calendar ID="MyCalendar" 
                     runat="server" 
                     BackColor="White" 
                     BorderColor="White" 
                     BorderWidth="1px" 
                     Font-Names="Verdana" 
                     Font-Size="9pt" 
                     ForeColor="Black" 
                     Height="190px" 
                     NextPrevFormat="FullMonth" 
                     OnDayRender="MyCalendar_DayRender" 
                     OnSelectionChanged="MyCalendar_SelectionChanged" 
                     SelectionMode="DayWeek" 
                     Width="350px">
           <SelectedDayStyle BackColor="#333399" ForeColor="White" />
           <OtherMonthDayStyle ForeColor="#999999" />
           <TodayDayStyle BackColor="#CCCCCC" />
           <NextPrevStyle Font-Bold="True" 
                          Font-Size="8pt" 
                          ForeColor="#333333" 
                          VerticalAlign="Bottom" />
           <DayHeaderStyle Font-Bold="True" Font-Size="8pt" />
           <TitleStyle BackColor="White" 
                       BorderColor="Black" 
                       BorderWidth="4px" 
                       Font-Bold="True"
                       Font-Size="12pt" 
                       ForeColor="#333399" />
       </asp:Calendar>
       

       <asp:Label ID="lblDates" runat="server"></asp:Label>

   </form>

</body> </html>

File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class CalendarTest : System.Web.UI.Page {

   protected void MyCalendar_SelectionChanged(object sender, EventArgs e)
 {
   lblDates.Text = "You selected these dates:
";
   foreach (DateTime dt in MyCalendar.SelectedDates)
   {
     lblDates.Text += dt.ToLongDateString() + "
";
   }
 }
 protected void MyCalendar_DayRender(object sender, DayRenderEventArgs e)
 {
   if (e.Day.Date.Day == 28 && e.Day.Date.Month == 2)
   {
     e.Cell.BackColor = System.Drawing.Color.Yellow;
     Label lbl = new Label();
     lbl.Text = "
My Birthday!";
     e.Cell.Controls.Add(lbl);
   }

}</source>

Calendar selection changed event (C#)

   <source lang="csharp">

File: Default.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="CalendarTest" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Untitled Page</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:Calendar ID="MyCalendar" 
                     runat="server" 
                     BackColor="White" 
                     BorderColor="White" 
                     BorderWidth="1px" 
                     Font-Names="Verdana" 
                     Font-Size="9pt" 
                     ForeColor="Black" 
                     Height="190px" 
                     NextPrevFormat="FullMonth" 
                     OnDayRender="MyCalendar_DayRender" 
                     OnSelectionChanged="MyCalendar_SelectionChanged" 
                     SelectionMode="DayWeek" 
                     Width="350px">
           <SelectedDayStyle BackColor="#333399" ForeColor="White" />
           <OtherMonthDayStyle ForeColor="#999999" />
           <TodayDayStyle BackColor="#CCCCCC" />
           <NextPrevStyle Font-Bold="True" 
                          Font-Size="8pt" 
                          ForeColor="#333333" 
                          VerticalAlign="Bottom" />
           <DayHeaderStyle Font-Bold="True" Font-Size="8pt" />
           <TitleStyle BackColor="White" 
                       BorderColor="Black" 
                       BorderWidth="4px" 
                       Font-Bold="True"
                       Font-Size="12pt" 
                       ForeColor="#333399" />
       </asp:Calendar>
       

       <asp:Label ID="lblDates" runat="server"></asp:Label>

   </form>

</body> </html>

File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class CalendarTest : System.Web.UI.Page {

   protected void MyCalendar_SelectionChanged(object sender, EventArgs e)
 {
   lblDates.Text = "You selected these dates:
";
   foreach (DateTime dt in MyCalendar.SelectedDates)
   {
     lblDates.Text += dt.ToLongDateString() + "
";
   }
 }
 protected void MyCalendar_DayRender(object sender, DayRenderEventArgs e)
 {
   if (e.Day.Date.Day == 28 && e.Day.Date.Month == 2)
   {
     e.Cell.BackColor = System.Drawing.Color.Yellow;
     Label lbl = new Label();
     lbl.Text = "
My Birthday!";
     e.Cell.Controls.Add(lbl);
   }

}</source>

Calendar style

   <source lang="csharp">

<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Calendar</title>

</head> <body>

   <form id="form1" runat="server">

Calendar Control

Styles

    <asp:Calendar ID="Calendar1" runat="server" 
     SelectionMode="DayWeekMonth" 
     CellPadding="7" 
     CellSpacing="5" 
     DayNameFormat="FirstTwoLetters" 
     FirstDayOfWeek="Monday" 
     NextMonthText="Next >" 
     PrevMonthText="< Prev" 
     ShowGridLines="True" 
     DayStyle-BackColor="White" 
     DayStyle-ForeColor="Black" 
     DayStyle-Font-Names="Arial">
      <DayHeaderStyle 
       BackColor="Black" 
       Font-Names="Arial Black" 
       ForeColor="White" />
      <SelectedDayStyle 
       BackColor="Cornsilk" 
       Font-Bold="True" 
       Font-Italic="True" 
       Font-Names="Arial"
       ForeColor="Blue" />
      <SelectorStyle 
       BackColor="Cornsilk" 
       Font-Names="Arial" 
       ForeColor="Red" />
      <WeekendDayStyle 
       BackColor="LavenderBlush" 
       Font-Names="Arial" 
       ForeColor="Purple" />
      <OtherMonthDayStyle 
       BackColor="LightGray" 
       Font-Names="Arial" 
       ForeColor="White" />
      <TodayDayStyle 
       BackColor="Cornsilk" 
       Font-Bold="True" 
       Font-Names="Arial" 
       ForeColor="Green" />
      <NextPrevStyle 
       BackColor="DarkGray" 
       Font-Names="Arial" 
       ForeColor="Yellow" />
      <TitleStyle 
       BackColor="Gray" 
       Font-Names="Arial Black" 
       ForeColor="White" 
       HorizontalAlign="Left" />
    </asp:Calendar>

   </form>

</body> </html></source>

Calendar with events

   <source lang="csharp">

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="CalenderRender" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Calender DayRender</title>

</head> <body>

   <form id="form1" runat="server">

Using DayRender

   <asp:Calendar ID="calRender" 
                 runat="server" 
                 BackColor="White" 
                 BorderColor="Black" 
                 BorderStyle="Solid" 
                 CellSpacing="1" 
                 Font-Names="Verdana" 
                 Font-Size="9pt" 
                 ForeColor="Black" 
                 Height="504px" 
                 NextPrevFormat="ShortMonth" 
                 Width="664px" 
                 OnDayRender="calRender_DayRender" 
                 OnSelectionChanged="calRender_SelectionChanged"  >
       
       <SelectedDayStyle BackColor="#333399" ForeColor="White" />
       <OtherMonthDayStyle ForeColor="#999999" />
       <DayStyle BackColor="#CCCCCC" />
       <TodayDayStyle BackColor="#999999" ForeColor="White" />
       <NextPrevStyle Font-Bold="True" Font-Size="8pt" ForeColor="White" />
       <DayHeaderStyle Font-Bold="True" 
                       Font-Size="8pt" 
                       ForeColor="#333333" 
                       Height="8pt" />
       <TitleStyle BackColor="#333399" 
                   BorderStyle="Solid" 
                   Font-Bold="True" 
                   Font-Size="9pt"
                   ForeColor="White" Height="9pt" />
           
   </asp:Calendar>
   <asp:Label ID="labMessage" runat="server" />

   </form>

</body> </html> File: Default.aspx.cs using System.Collections; using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Text; public class CalenderEvent {

 public enum EventTypes
 {
   AllDayEvent, Appointment, ToDoReminder
 }
 private string _shortDescription;
 private string _fullDescription;
 private DateTime _eventDate;
 private EventTypes _eventType;
 public CalenderEvent(string shortDescription, string fullDescription, DateTime eventDate, EventTypes eventType)
 {
   _shortDescription = shortDescription;
   _fullDescription = fullDescription;
   _eventDate = eventDate;
   _eventType = eventType;
 }
 public override string ToString()
 {
   StringBuilder sb = new StringBuilder();
   sb.Append(this.Date.ToShortDateString());
   sb.Append(" -- ");
   sb.Append(this.EventTypeString);
   sb.Append("
");
   sb.Append(FullDescription);
   return sb.ToString();    
 }
 public string FullDescription
 {
   get { return _fullDescription; }
   set { _fullDescription = value; }
 }
 public string ShortDescription
 {
   get { return _shortDescription; }
   set { _shortDescription = value; }
 }
 public DateTime Date
 {
   get { return _eventDate; }
   set { _eventDate = value; }
 }
 public EventTypes Type
 {
   get { return _eventType; }
   set { _eventType = value; }
 }
 public string EventTypeString
 {
   get
   {
     if (this.Type == EventTypes.AllDayEvent)
       return "All Day Event";
     else if (this.Type == EventTypes.Appointment)
       return "Appointment";
     else
       return "To Do Reminder";
   }
 }
 public string ImageFile
 {
   get
   {
     if (this.Type == EventTypes.AllDayEvent)
       return "cal_allday.gif";
     else if (this.Type == EventTypes.Appointment)
       return "cal_appointment.gif";
     else
       return "cal_todo.gif";
   }
 }

} public partial class CalenderRender : System.Web.UI.Page {

 private ArrayList _events;
   protected void Page_Load(object sender, EventArgs e)
   {
   FillCalender();
   }
 private void FillCalender()
 {
   _events = new ArrayList();
   _events.Add(new CalenderEvent("A", "event a", DateTime.Now, CalenderEvent.EventTypes.Appointment));
   _events.Add(new CalenderEvent("B", "event b", DateTime.Now.AddDays(2.0), CalenderEvent.EventTypes.ToDoReminder));
   _events.Add(new CalenderEvent("C", "event c", DateTime.Now.AddDays(5.0), CalenderEvent.EventTypes.AllDayEvent));
 }
 protected void calRender_DayRender(object sender, DayRenderEventArgs e)
 {
   DateTime renderDay = e.Day.Date;
   foreach (CalenderEvent cEvent in _events)
   {
     if (renderDay.ToShortDateString() == cEvent.Date.ToShortDateString())
     {
       Image img = new Image();
       img.ImageUrl = "~/images/" + cEvent.ImageFile;
       img.ToolTip = cEvent.ShortDescription;
       img.ImageAlign = ImageAlign.Middle;
       e.Cell.Controls.Add(img);
     }
   }
 }
 protected void calRender_SelectionChanged(object sender, EventArgs e)
 {
   DateTime selectDay = calRender.SelectedDate;
   string message = "";
   foreach (CalenderEvent cEvent in _events)
   {
     if (selectDay.ToShortDateString() == cEvent.Date.ToShortDateString())
     {
       message = cEvent.ToString();
     }
   }
   if (message == "")
     labMessage.Text = "No event scheduled for " + selectDay.ToShortDateString();
   else
     labMessage.Text = message;
 }

}</source>

Controlling how a day is rendered in the Calendar (C#)

   <source lang="csharp">

<%@ Page Language="C#" %> <script runat="server">

   protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
   {
       e.Cell.VerticalAlign = VerticalAlign.Top;
       if (e.Day.DayNumberText == "25")
       {
           e.Cell.Controls.Add(new LiteralControl("User Group Meeting!"));
           e.Cell.BorderColor = System.Drawing.Color.Black;
           e.Cell.BorderWidth = 1;
           e.Cell.BorderStyle = BorderStyle.Solid;
           e.Cell.BackColor = System.Drawing.Color.LightGray;
       }
   }

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">

   <title>Using the Calendar Control</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:Calendar ID="Calendar1" 
                     Runat="server" 
                     OnDayRender="Calendar1_DayRender" 
                     Height="190px" 
                     BorderColor="White" 
                     Width="350px" 
                     ForeColor="Black" 
                     BackColor="White" 
                     BorderWidth="1px" 
                     NextPrevFormat="FullMonth" 
                     Font-Names="Verdana" 
                     Font-Size="9pt">
           <SelectedDayStyle ForeColor="White" 
            BackColor="#333399"></SelectedDayStyle>
           <OtherMonthDayStyle ForeColor="#999999"></OtherMonthDayStyle>
           <TodayDayStyle BackColor="#CCCCCC"></TodayDayStyle>
           <NextPrevStyle ForeColor="#333333" VerticalAlign="Bottom" 
            Font-Size="8pt" Font-Bold="True"></NextPrevStyle>
           <DayHeaderStyle Font-Size="8pt" Font-Bold="True"></DayHeaderStyle>
           <TitleStyle ForeColor="#333399" BorderColor="Black" Font-Size="12pt" 
               Font-Bold="True" BackColor="White" BorderWidth="4px">
           </TitleStyle>
       </asp:Calendar>

   </form>

</body> </html></source>

Controlling how a day is rendered in the Calendar (VB)

   <source lang="csharp">

<%@ Page Language="VB" %> <script runat="server">

   Protected Sub Calendar1_DayRender(ByVal sender As Object, _
     ByVal e As System.Web.UI.WebControls.DayRenderEventArgs)
       e.Cell.VerticalAlign = VerticalAlign.Top
       
       If (e.Day.DayNumberText = "25") Then
           e.Cell.Controls.Add(New LiteralControl("User Group Meeting!"))
           e.Cell.BorderColor = Drawing.Color.Black
           e.Cell.BorderWidth = 1
           e.Cell.BorderStyle = BorderStyle.Solid
           e.Cell.BackColor = Drawing.Color.LightGray
       End If
   End Sub

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">

   <title>Using the Calendar Control</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:Calendar ID="Calendar1" 
                     Runat="server" 
                     OnDayRender="Calendar1_DayRender" 
                     Height="190px" 
                     BorderColor="White" 
                     Width="350px" 
                     ForeColor="Black" 
                     BackColor="White" 
                     BorderWidth="1px" 
                     NextPrevFormat="FullMonth" 
                     Font-Names="Verdana" 
                     Font-Size="9pt">
           <SelectedDayStyle ForeColor="White" 
                             BackColor="#333399"></SelectedDayStyle>
           <OtherMonthDayStyle ForeColor="#999999"></OtherMonthDayStyle>
           <TodayDayStyle BackColor="#CCCCCC"></TodayDayStyle>
           <NextPrevStyle ForeColor="#333333" 
                          VerticalAlign="Bottom" 
                          Font-Size="8pt" 
                          Font-Bold="True"></NextPrevStyle>
           <DayHeaderStyle Font-Size="8pt" Font-Bold="True"></DayHeaderStyle>
           <TitleStyle ForeColor="#333399" BorderColor="Black" Font-Size="12pt" 
               Font-Bold="True" BackColor="White" BorderWidth="4px">
           </TitleStyle>
       </asp:Calendar>

   </form>

</body> </html></source>

Convert Selected Date from Calendar to Long Date String

   <source lang="csharp">

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="CalendarSelect" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Calendar Selection</title>

</head> <body>

   <form id="form1" runat="server">

   <asp:calendar id="calTest" 
                 runat="server" 
               backcolor="PaleGoldenrod" 
               width="250px" 
               height="200px"
               font-size="12px" 
               font-names="Arial" 
               borderwidth="2px" 
               bordercolor="#000000" 
               nextprevformat="shortmonth"
                 OnSelectionChanged="calTest_SelectionChanged">
   
   </asp:calendar>
   
 Date Selected:
 <asp:TextBox ID="txtSelected" Runat="server"></asp:TextBox>

   </form>

</body> </html> File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class CalendarSelect : System.Web.UI.Page {

 protected void calTest_SelectionChanged(object o, EventArgs e)
 {
   txtSelected.Text = calTest.SelectedDate.ToLongDateString();
 }

}</source>

Creating a Pop-up Date Picker

   <source lang="csharp">

<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server">

   protected void calEventDate_SelectionChanged(object sender, EventArgs e)
   {
       txtEventDate.Text = calEventDate.SelectedDate.ToString("d");
   }
   protected void btnSubmit_Click(object sender, EventArgs e)
   {
       lblResult.Text = "You picked: " + txtEventDate.Text;
   }

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">

   <script type="text/javascript">
       function displayCalendar()
       {
           var datePicker = document.getElementById("datePicker");
           datePicker.style.display = "block";
       }
   </script>
   <style type="text/css">
       #datePicker
       {
           display:none;
           position:absolute;
           border:solid 2px black;
           background-color:white;
       }
       .content
       {
           width:400px;
           background-color:white;
           margin:auto;
           padding:10px;
       }
       html
       {
           background-color:silver;
       }
   </style>
   <title>Calendar with JavaScript</title>

</head> <body>

   <form id="form1" runat="server">

   <asp:Label
       id="lblEventDate"
       Text="Event Date:"
       AssociatedControlID="txtEventDate"
       Runat="server" />
   <asp:TextBox
       id="txtEventDate"
       Runat="server" />
   <img src="Calendar.gif" onclick="displayCalendar()" />

   <asp:Calendar
       id="calEventDate"
       OnSelectionChanged="calEventDate_SelectionChanged"
       Runat="server" />

   

   <asp:Button
       id="btnSubmit"
       Text="Submit"
       Runat="server" OnClick="btnSubmit_Click" />

   <asp:Label
       id="lblResult"
       Runat="server" />

   </form>

</body> </html></source>

Format value from asp:Calendar as "dddd, MMMM dd yyyy" (VB.net)

   <source lang="csharp">

<%@ Page Inherits="ParentPage" src="test.aspx.vb" %> <html><body>

  <form runat="server">
     <asp:Calendar id="Calendar1" runat="server"
        OnSelectionChanged="DateChanged"
        Cellpadding="5" Cellspacing="5"
        DayHeaderStyle-Font-Bold="True"
        DayNameFormat="Short"
        Font-Name="Arial" Font-Size="12px"
        height="250px"
        NextPrevFormat="ShortMonth"
        NextPrevStyle-ForeColor="white"
        SelectedDayStyle-BackColor="#ffcc66"
        SelectedDayStyle-Font-Bold="True"
        SelectionMode="DayWeekMonth"
        SelectorStyle-BackColor="#99ccff"
        SelectorStyle-ForeColor="navy"
        SelectorStyle-Font-Size="9px"
        ShowTitle="true"
        TitleStyle-BackColor="#ddaa66"
        TitleStyle-ForeColor="white"
        TitleStyle-Font-Bold="True"
        TodayDayStyle-Font-Bold="True" />
  </form>
  You selected: 
  <asp:Label id="lblMessage" runat="server"/>

</body></html> File: test.aspx.vb Imports System Imports System.Web Imports System.Web.UI Imports System.Web.UI.WebControls Public Class ParentPage : Inherits Page

  public lblMessage as Label
  public Calendar1 as Calendar
  
  Public sub Page_Load(obj as object, e as eventargs)
     if not Page.IsPostBack then
        Calendar1.SelectedDate = DateTime.Now
        lblMessage.Text = Calendar1.SelectedDate. _
           ToString("dddd, MMMM dd yyyy")
     end if
  End Sub
  
  Public sub DateChanged(obj as object, e as eventargs)
     if Calendar1.SelectedDates.Count > 1 then
        lblMessage.Text = Calendar1.SelectedDates(0). _
           ToString("dddd, MMMM dd yyyy") & " through " & _
           Calendar1.SelectedDates(Calendar1.SelectedDates. _
           Count - 1).ToString("dddd, MMMM dd yyyy")
     else
        lblMessage.Text = Calendar1.SelectedDate. _
           ToString("dddd, MMMM dd yyyy")
     end if
  End Sub

End Class</source>

Format value retrieved from asp:Calendar (C#)

   <source lang="csharp">

<%@ Page Inherits="ParentPage" src="test.aspx.cs" %> <html><body>

  <form runat="server">
     <asp:Calendar id="Calendar1" runat="server"
        OnSelectionChanged="DateChanged"
        Cellpadding="5" Cellspacing="5"
        DayHeaderStyle-Font-Bold="True"
        DayNameFormat="Short"
        Font-Name="Arial" Font-Size="12px"
        height="250px"
        NextPrevFormat="ShortMonth"
        NextPrevStyle-ForeColor="white"
        SelectedDayStyle-BackColor="#ffcc66"
        SelectedDayStyle-Font-Bold="True"
        SelectionMode="DayWeekMonth"
        SelectorStyle-BackColor="#99ccff"
        SelectorStyle-ForeColor="navy"
        SelectorStyle-Font-Size="9px"
        ShowTitle="true"
        TitleStyle-BackColor="#ddaa66"
        TitleStyle-ForeColor="white"
        TitleStyle-Font-Bold="True"
        TodayDayStyle-Font-Bold="True" />
  </form>
  You selected: 
  <asp:Label id="lblMessage" runat="server"/>

</body></html> File: test.aspx.cs using System; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public class ParentPage : Page {

  public Label lblMessage;
  public Calendar Calendar1;
  
  public void Page_Load(Object Sender, EventArgs e) {
     if (!Page.IsPostBack) {
        Calendar1.SelectedDate = DateTime.Now;
        lblMessage.Text = Calendar1.SelectedDate.ToString("dddd, MMMM dd yyyy");
     }
  }
  
  public void DateChanged(Object Sender, EventArgs e) {
     if (Calendar1.SelectedDates.Count > 1) {
        lblMessage.Text = Calendar1.SelectedDates[0].ToString("dddd, MMMM dd yyyy") + " through " + Calendar1.SelectedDates[Calendar1.SelectedDates.Count - 1].ToString("dddd, MMMM dd yyyy");
     } else {
        lblMessage.Text = Calendar1.SelectedDate.ToString("dddd, MMMM dd yyyy");
     }
  }

}</source>

Important properties of the Calendar control

   <source lang="csharp">

DayNameFormat: style of the days of the week.

                  Possible values are FirstLetter, FirstTwoLetters, Full, Short, and Shortest.

NextMonthText: the text that appears for the next month link. NextPrevFormat: style of the next month and previous month link.

                  Possible values are CustomText, FullMonth, and ShortMonth.

PrevMonthText: the text for the previous month link. SelectedDate: get / set the selected date. SelectedDates: get / set a collection of selected dates. SelectionMode: how dates are selected.

                  Possible values are Day, DayWeek, DayWeekMonth, and None.

SelectMonthText: text for selecting a month. SelectWeekText: text for selecting a week. ShowDayHeader: hide or display the day names. ShowNextPrevMonth: hide or display the links for the next and previous months. ShowTitle: hide or display the title bar displayed at the top of the calendar. TitleFormat: format the title bar.

                  Possible values are Month and MonthYear.

TodaysDate: set current date.

                  This property defaults to the current date.

VisibleDate: set the month displayed.

                  defaults to the month for TodaysDate.

DayRender: Raised as each day is rendered. SelectionChanged: Raised when a new day, week, or month is selected. VisibleMonthChanged: Raised when the next or previous month link is clicked.

<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">

   <title>Show Calendar</title>

</head> <body>

   <form id="form1" runat="server">

   <asp:Calendar
       id="Calendar1"
       Runat="server" />

   </form>

</body> </html></source>

Retrieving a range of dates from a selection (C#)

   <source lang="csharp">

<%@ Page Language="C#" %> <script runat="server">

   protected void Calendar1_SelectionChanged(object sender, EventArgs e)
   {
       Label1.Text = "You selected the following date/dates:
";
       
       for (int i=0; i<Calendar1.SelectedDates.Count; i++) {
           Label1.Text += Calendar1.SelectedDates[i].ToShortDateString() + "
";
       }
   }

</script>

   <title>Using the Calendar Control</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:Calendar ID="Calendar1" Runat="server" 
        OnSelectionChanged="Calendar1_SelectionChanged" 
        SelectionMode="DayWeekMonth">
       </asp:Calendar>
       <asp:Label ID="Label1" Runat="server"></asp:Label>

   </form>

</body> </html></source>

Retrieving a range of dates from a selection (VB)

   <source lang="csharp">

<%@ Page Language="VB" %> <script runat="server">

   Protected Sub Calendar1_SelectionChanged(ByVal sender As Object, _
     ByVal e As System.EventArgs)
       Label1.Text = "You selected the following date/dates:
"
       
       For i As Integer = 0 To (Calendar1.SelectedDates.Count - 1)
           Label1.Text += Calendar1.SelectedDates.Item(i).ToShortDateString() & _
             "
"
       Next
   End Sub

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">

   <title>Using the Calendar Control</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:Calendar ID="Calendar1" Runat="server" 
        OnSelectionChanged="Calendar1_SelectionChanged" 
        SelectionMode="DayWeekMonth">
       </asp:Calendar>
       <asp:Label ID="Label1" Runat="server"></asp:Label>

   </form>

</body> </html></source>

title style, day header style, today style, and other month day style

   <source lang="csharp">

<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">

   <title>Calendar Test</title>

</head> <body>

   <form id="form1" runat="server">

       <asp:calendar id="calTest" 
                     runat="server" 
                     backcolor="PaleGoldenrod" 
                     width="400px" 
                     height="200px" 
                     font-size="12px" 
                     font-names="Arial"
                     borderwidth="2px" 
                     bordercolor="#000000" 
                     nextprevformat="shortmonth">
          <titlestyle font-size="14px" 
                      font-bold="true" 
                      backcolor="Goldenrod"/>
          <dayheaderstyle font-bold="true" />
          <todaydaystyle backcolor="Orange" forecolor="#ffffff" />
          <othermonthdaystyle forecolor="Tan" />
       </asp:calendar>

   </form>

</body> </html></source>

ASP.NET Tutorial/ASP.net Controls/Calendar

Содержание

Appointment based on Calendar (C#)

Bind selected dates from a calendar to asp:BulletedList

Calendar control and some of its colorful styles

Calendar day renderer event (C#)

Calendar selection changed event (C#)

Calendar style

Calendar Control

Styles

Calendar with events

Using DayRender

Controlling how a day is rendered in the Calendar (C#)

Controlling how a day is rendered in the Calendar (VB)

Convert Selected Date from Calendar to Long Date String

Creating a Pop-up Date Picker

Format value from asp:Calendar as "dddd, MMMM dd yyyy" (VB.net)

Format value retrieved from asp:Calendar (C#)

Important properties of the Calendar control

Retrieving a range of dates from a selection (C#)

Retrieving a range of dates from a selection (VB)

title style, day header style, today style, and other month day style

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