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SelectedDatesCollection.Count Property

Gets the number of System.DateTime objects in the SelectedDatesCollection collection.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

'Declaration
Public ReadOnly Property Count As Integer
'Usage
Dim instance As SelectedDatesCollection 
Dim value As Integer 

value = instance.Count

Property Value

Type: System.Int32
The number of System.DateTime objects in the SelectedDatesCollection.

Implements

ICollection.Count

Use this property to determine the number of dates in the SelectedDatesCollection collection. The Count property is often used when iterating through the collection to determine the upper bound.

The following code example demonstrates how to use to the Count property to determine the number of dates in the SelectedDatesCollection collection. Note that the SelectedDates property of the Calendar control is an instance of the SelectedDatesCollection class.

<%@ 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 Button_Click(sender As Object, e As EventArgs)

            If Calendar1.SelectedDates.Count > 0 Then

                Label1.Text = "Selected date(s) are: " 

                Dim i As Integer 
                For i = 0 To Calendar1.SelectedDates.Count - 1
                    Label1.Text &= " " &+ Calendar1.SelectedDates(i).Day.ToString()
                Next i

            Else

                Label1.Text = "No dates selected!!" 

            End If 
        End Sub

    </script>

 </head>     
 <body>

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

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

       <hr />

       <asp:Button id="Button1"
            text="Display Selected Dates" 
            OnClick="Button_Click"  
            runat="server"  /> <br /><br />

       <asp:Label id="Label1" runat="server" />

    </form>
 </body>
 </html>

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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