Below is the sample code to choose and display multiple dates selected from the calendar
CalMulitpleSelection.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CalMulitpleSelection.aspx.cs" Inherits="CalMulitpleSelection" %>
<!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 runat="server">
<title></title>
</head>
<body>
<form id="Form2" runat="server">
<h3>Using Calendar</h3>
Please enter your requested vacation dates:
<asp:Calendar id="Calendar1" runat="server" selectionmode="DayWeekMonth"
onselectionchanged="Cal_SelectionChanged"
ondayrender="Calendar1_DayRender" />
<asp:Button ID="Show" runat="server" Text="Button" onclick="Show_Click" />
<br>
<asp:label id="VacationLabel" runat="Server" />
</form>
<body>
</html>
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
public partial class CalMulitpleSelection : System.Web.UI.Page
{
public static List<string> list = new List<string>();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Cal_SelectionChanged(object sender, EventArgs e)
{
if (Session["SelectedDates"] != null)
{
List<string> selectedList = (List<string>)Session["SelectedDates"];
foreach (string s in selectedList)
{
Calendar1.SelectedDates.Add(Convert.ToDateTime (s));
}
list.Clear();
}
}
protected void Show_Click(object sender, EventArgs e)
{
if (Session["SelectedDates"] != null)
{
List<string> newList = (List<string>)Session["SelectedDates"];
foreach (string s in newList)
{
Response.Write(s+ "<BR/>");
}
}
}
protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
{
if (e.Day.IsSelected == true)
{
list.Add(e.Day.Date.ToString ("MM/dd/yyyy"));
}
Session["SelectedDates"] = list;
}
}
CalMulitpleSelection.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CalMulitpleSelection.aspx.cs" Inherits="CalMulitpleSelection" %>
<!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 runat="server">
<title></title>
</head>
<body>
<form id="Form2" runat="server">
<h3>Using Calendar</h3>
Please enter your requested vacation dates:
<asp:Calendar id="Calendar1" runat="server" selectionmode="DayWeekMonth"
onselectionchanged="Cal_SelectionChanged"
ondayrender="Calendar1_DayRender" />
<asp:Button ID="Show" runat="server" Text="Button" onclick="Show_Click" />
<br>
<asp:label id="VacationLabel" runat="Server" />
</form>
<body>
</html>
CalMulitpleSelection.aspx.cs
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
public partial class CalMulitpleSelection : System.Web.UI.Page
{
public static List<string> list = new List<string>();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Cal_SelectionChanged(object sender, EventArgs e)
{
if (Session["SelectedDates"] != null)
{
List<string> selectedList = (List<string>)Session["SelectedDates"];
foreach (string s in selectedList)
{
Calendar1.SelectedDates.Add(Convert.ToDateTime (s));
}
list.Clear();
}
}
protected void Show_Click(object sender, EventArgs e)
{
if (Session["SelectedDates"] != null)
{
List<string> newList = (List<string>)Session["SelectedDates"];
foreach (string s in newList)
{
Response.Write(s+ "<BR/>");
}
}
}
protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
{
if (e.Day.IsSelected == true)
{
list.Add(e.Day.Date.ToString ("MM/dd/yyyy"));
}
Session["SelectedDates"] = list;
}
}
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