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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)

public int Count { get; }

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="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 Button_Click(Object sender, EventArgs e) 
       {

          if (Calendar1.SelectedDates.Count > 0)
          {

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

             for (int i = 0; i < Calendar1.SelectedDates.Count; i++)
             {
                Label1.Text += " " + Calendar1.SelectedDates[i].Day.ToString();
             } 

          }
          else
             Label1.Text = "No dates selected!!";
       }

    </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>
 


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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