指定した System.DateTime を SelectedDatesCollection の末尾に追加します。
Public Sub Add( _
ByVal date As DateTime _)
[C#]
public void Add(DateTimedate);
[C++]
public: void Add(DateTimedate);
[JScript]
public function Add(
date : DateTime);
パラメータ
- date
コレクションに追加する System.DateTime 。
解説
このメソッドを使用して、指定した System.DateTime を SelectedDatesCollection の末尾に追加します。
使用例
[Visual Basic, C#] Add メソッドを使用して、 System.DateTime を SelectedDatesCollection に追加する方法を次の例に示します。 Calendar の SelectedDates プロパティは、 SelectedDatesCollection クラスのインスタンスです。
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
<head>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
' Initialize the VisibleDate property with today's date when
' the page is first loaded.
If Not IsPostBack Then
Calendar1.VisibleDate = Calendar1.TodaysDate
End If
End Sub
Sub Button_Click(sender As Object, e As EventArgs)
' This method demonstrates how to select noncontiguous dates
' in the calendar.
' Get the month, day, and year of the date contained in the
' VisibleDate property.
Dim CurrentMonth As Integer = Calendar1.VisibleDate.Month
Dim CurrentYear As Integer = Calendar1.VisibleDate.Year
' Clear all selected dates.
Calendar1.SelectedDates.Clear()
' Iterate through the current month and add all Wednesdays
' to the collection.
Dim i As Integer
For i = 1 To System.DateTime.DaysInMonth(CurrentYear, CurrentMonth)
Dim CurrentDate As DateTime = _
New DateTime(CurrentYear, CurrentMonth, i)
If CurrentDate.DayOfWeek = DayOfWeek.Wednesday Then
Calendar1.SelectedDates.Add(CurrentDate)
End If
Next i
' Display the number of items selected.
Message.Text = "Selection Count = " & _
Calendar1.SelectedDates.Count.ToString()
End Sub
Sub Selection_Change(sender As Object, e As EventArgs)
' Display the number of items selected.
Message.Text = "Selection Count = " & _
Calendar1.SelectedDates.Count.ToString()
End Sub
</script>
</head>
<body>
<form runat="server">
<h3>SelectedDatesCollection Add Example </h3>
Click the button to select all Wednesdays in the month.
<br><br>
<asp:Calendar ID="Calendar1" runat="server"
SelectionMode="DayWeekMonth"
OnSelectionChanged="Selection_Change" />
<hr>
<asp:Button id="SubmitButton"
Text="Select All Weds in Month"
OnClick="Button_Click"
runat=server />
<br>
<asp:Label id="Message"
runat="server" />
</form>
</body>
</html>
[C#]
<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
<head>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Initialize the VisibleDate property with today's date when
// the page is first loaded.
if(!IsPostBack)
{
Calendar1.VisibleDate = Calendar1.TodaysDate;
}
}
void Button_Click(Object sender, EventArgs e)
{
// This method demonstrates how to select noncontiguous dates
// in the calendar.
// Get the month and year of the date contained in the
// VisibleDate property.
int CurrentMonth = Calendar1.VisibleDate.Month;
int CurrentYear = Calendar1.VisibleDate.Year;
// Clear all selected dates.
Calendar1.SelectedDates.Clear();
// Iterate through the current month and add all Wednesdays
// to the collection.
for (int i = 1;
i <= System.DateTime.DaysInMonth(CurrentYear, CurrentMonth);
i++)
{
DateTime CurrentDate = new DateTime(CurrentYear, CurrentMonth, i);
if (CurrentDate.DayOfWeek == DayOfWeek.Wednesday)
{
Calendar1.SelectedDates.Add(CurrentDate);
}
}
// Display the number of items selected.
Message.Text = "Selection Count = " +
Calendar1.SelectedDates.Count.ToString();
}
void Selection_Change(Object sender, EventArgs e)
{
// Display the number of items selected.
Message.Text = "Selection Count = " +
Calendar1.SelectedDates.Count.ToString();
}
</script>
</head>
<body>
<form runat="server">
<h3>SelectedDatesCollection Add Example </h3>
Click the button to select all Wednesdays in the month.
<br><br>
<asp:Calendar ID="Calendar1" runat="server"
SelectionMode="DayWeekMonth"
OnSelectionChanged="Selection_Change" />
<hr>
<asp:Button id="SubmitButton"
Text="Select All Weds in Month"
OnClick="Button_Click"
runat=server />
<br>
<asp:Label id="Message"
runat="server" />
</form>
</body>
</html>
[C++, JScript] C++ および JScript のサンプルはありません。Visual Basic および C# のサンプルを表示するには、このページの左上隅にある言語のフィルタ ボタン .gif)
をクリックします。
必要条件
プラットフォーム: Windows 2000, Windows XP Professional, Windows Server 2003 ファミリ
参照
SelectedDatesCollection クラス | SelectedDatesCollection メンバ | System.Web.UI.WebControls 名前空間 | System.DateTime | SelectedDates | Calendar