Číst v angličtině Upravit

Sdílet prostřednictvím

SelectedDatesCollection.SelectRange(DateTime, DateTime) Method

  • Reference

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Adds the specified range of dates to the SelectedDatesCollection collection.

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)

Parameters

fromDate
DateTime

A DateTime that specifies the initial date to add to the SelectedDatesCollection.

toDate
DateTime

A DateTime that specifies the end date to add to the SelectedDatesCollection.

Examples

The following code example demonstrates how to programmatically use the SelectRange method to select a range of continuous dates on the Calendar control.

<%@ 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>

Remarks

Use this method to add the specified range of dates to the SelectedDatesCollection collection.

Applies to

Produkt Verze
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

See also