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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.



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" 
<html xmlns="" >
    <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();

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



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

       <asp:Calendar ID="Calendar1" runat="server"  

       <hr />

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

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


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