<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void calEventDate_SelectionChanged(object sender, EventArgs e) { txtEventDate.Text = calEventDate.SelectedDate.ToString("d"); } protected void btnSubmit_Click(object sender, EventArgs e) { lblResult.Text = "You picked: " + txtEventDate.Text; } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <script type="text/javascript"> function displayCalendar() { var datePicker = document.getElementById('datePicker'); datePicker.style.display = 'block'; } </script> <style type="text/css"> #datePicker { display:none; position:absolute; border:solid 2px black; background-color:white; } .content { width:400px; background-color:white; margin:auto; padding:10px; } html { background-color:silver; } </style> <title>Calendar with JavaScript</title> </head> <body> <form id="form1" runat="server"> <div class="content"> <asp:Label id="lblEventDate" Text="Event Date:" AssociatedControlID="txtEventDate" Runat="server" /> <asp:TextBox id="txtEventDate" Runat="server" /> <img src="Calendar.gif" onclick="displayCalendar()" /> <div id="datePicker"> <asp:Calendar id="calEventDate" OnSelectionChanged="calEventDate_SelectionChanged" Runat="server" /> </div> <br /> <asp:Button id="btnSubmit" Text="Submit" Runat="server" OnClick="btnSubmit_Click" /> <hr /> <asp:Label id="lblResult" Runat="server" /> </div> </form> </body> </html>