SelectedDatesCollection.SelectRange(DateTime, DateTime) Metodo

Definizione

Spazio dei nomi:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Aggiunge l'intervallo specificato di date all'insieme SelectedDatesCollection .

public:
 void SelectRange(DateTime fromDate, DateTime toDate);
public void SelectRange(DateTime fromDate, DateTime toDate);
member this.SelectRange : DateTime * DateTime -> unit
Public Sub SelectRange (fromDate As DateTime, toDate As DateTime)

Parametri

fromDate
DateTime

Oggetto DateTime che specifica la data iniziale da aggiungere all'oggetto SelectedDatesCollection.

toDate
DateTime

Oggetto DateTime che specifica la data di fine da aggiungere all'oggetto SelectedDatesCollection.

Esempio

Nell'esempio di codice seguente viene illustrato come utilizzare il SelectRange metodo a livello di codice per selezionare un intervallo di date continue nel Calendar controllo .

<%@ 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>SelectedDatesCollection SelectRange Example </title>
<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 a range of 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;

         // Set the start and end dates.
         DateTime BeginDate = new DateTime(CurrentYear, CurrentMonth, 1);
         DateTime EndDate = new DateTime(CurrentYear, CurrentMonth, 7);
 
         // Clear any selected dates.
         Calendar1.SelectedDates.Clear(); 
 
         // Select the specified range of dates.
         Calendar1.SelectedDates.SelectRange(BeginDate, EndDate);
 
      }
 
   </script>
 
</head>     
<body>
 
   <form id="form1" runat="server">

      <h3>SelectedDatesCollection SelectRange Example </h3>

      Click the button to select all dates between the 1st and the
      7th of the month.

      <br /><br />
 
      <asp:Calendar ID="Calendar1"  
           SelectionMode="DayWeekMonth"
           runat="server" />
 
      <hr />
 
      <asp:Button id="SubmitButton"
           Text="Select the 1st to the 7th of the Month" 
           OnClick="Button_Click"  
           runat="server"  /> 
       
      <br />
 
      <asp:Label id="Message" 
           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>SelectedDatesCollection SelectRange Example </title>
<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 a range of dates
         ' in the calendar. 
  
         ' Get the month and year of the date contained in the 
         ' VisibleDate property.
         Dim CurrentMonth As Integer = Calendar1.VisibleDate.Month
         Dim CurrentYear As Integer = Calendar1.VisibleDate.Year

         ' Set the start and end dates.
         Dim BeginDate As DateTime = New DateTime(CurrentYear, CurrentMonth, 1)
         Dim EndDate As DateTime = New DateTime(CurrentYear, CurrentMonth, 7)
 
         ' Clear any selected dates.
         Calendar1.SelectedDates.Clear() 
 
         ' Select the specified range of dates.
         Calendar1.SelectedDates.SelectRange(BeginDate, EndDate)
 
      End Sub
 
   </script>
 
</head>     
<body>
 
   <form id="form1" runat="server">

      <h3>SelectedDatesCollection SelectRange Example </h3>

      Click the button to select all dates between the 1st and the 
      7th of the month.

      <br /><br />
 
      <asp:Calendar ID="Calendar1"  
           SelectionMode="DayWeekMonth"
           runat="server" />
 
      <hr />
 
      <asp:Button id="SubmitButton"
           Text="Select the 1st to the 7th of the Month" 
           OnClick="Button_Click"  
           runat="server"  /> 
       
      <br />
 
      <asp:Label id="Message" 
           runat="server" />
 
   </form>

</body>
</html>

Commenti

Utilizzare questo metodo per aggiungere l'intervallo specificato di date all'insieme SelectedDatesCollection .

Si applica a

Vedi anche