SelectedDatesCollection.Item[Int32] Propriedade
Definição
Obtém um objeto DateTime no índice especificado na coleção SelectedDatesCollection.Gets a DateTime object at the specified index in the SelectedDatesCollection collection.
public:
property DateTime default[int] { DateTime get(int index); };
public DateTime this[int index] { get; }
member this.Item(int) : DateTime
Default Public ReadOnly Property Item(index As Integer) As DateTime
Parâmetros
- index
- Int32
Um valor de índice ordinal que especifica qual DateTime retornar.An ordinal index value that specifies which DateTime to return.
Valor da propriedade
Um DateTime que representa um elemento no SelectedDatesCollection .A DateTime that represents an element in the SelectedDatesCollection.
Exemplos
O exemplo de código a seguir demonstra como usar o indexador para obter um System.DateTime objeto de uma SelectedDatesCollection coleção.The following code example demonstrates how to use the indexer to get a System.DateTime object from a SelectedDatesCollection collection. Observe que a SelectedDates Propriedade do Calendar controle é uma instância da SelectedDatesCollection classe.Note that the SelectedDates property of the Calendar control is an instance of the SelectedDatesCollection class.
<%@ Page Language="C#" AutoEventWireup="True" %>
<!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>
<title>ASP.NET Example</title>
<script language="C#" runat="server">
void Selection_Change(Object sender, EventArgs e)
{
int current_month = Calendar1.VisibleDate.Month;
int current_year = Calendar1.VisibleDate.Year;
for (int i = 0; i < Calendar1.SelectedDates.Count; i++)
{
if (Calendar1.SelectedDates[i].DayOfWeek == DayOfWeek.Wednesday)
Label1.Text = "Wednesday falls on " +
Calendar1.SelectedDates[i].Month + "/" +
Calendar1.SelectedDates[i].Day + "/" +
Calendar1.SelectedDates[i].Year;
}
if (Calendar1.SelectedDates.Count != 7)
Label1.Text = "";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:Calendar ID="Calendar1" runat="server"
SelectionMode="DayWeekMonth"
OnSelectionChanged="Selection_Change" />
<hr />
Select an entire week <br /><br />
<asp:Label id="Label1" runat="server" />
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!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>
<title>ASP.NET Example</title>
<script language="VB" runat="server">
Sub Selection_Change(sender As Object, e As EventArgs)
Dim current_month As Integer = Calendar1.VisibleDate.Month
Dim current_year As Integer = Calendar1.VisibleDate.Year
Dim i As Integer
For i = 0 To Calendar1.SelectedDates.Count - 1
If Calendar1.SelectedDates(i).DayOfWeek = DayOfWeek.Wednesday Then
Label1.Text = "Wednesday falls on " & _
Calendar1.SelectedDates(i).Month & "/" & _
Calendar1.SelectedDates(i).Day & "/" & _
Calendar1.SelectedDates(i).Year
End If
Next i
If Calendar1.SelectedDates.Count <> 7 Then
Label1.Text = ""
End If
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:Calendar ID="Calendar1" runat="server"
SelectionMode="DayWeekMonth"
OnSelectionChanged="Selection_Change" />
<hr />
Select an entire week <br /><br />
<asp:Label id="Label1" runat="server" />
</form>
</body>
</html>
Comentários
Use este indexador para obter um System.DateTime objeto individual na SelectedDatesCollection coleção no índice especificado usando a notação de matriz simples.Use this indexer to get an individual System.DateTime object in the SelectedDatesCollection collection at the specified index using simple array notation.