Creating a Dropdown Calendar Control for ASP.NET

Hi Community, 
In this tutorial http://www.developer.com/net/asp/article.php/3327181/Creating-a-Dropdown-Calendar-Control-for-ASPNET.htm
I need help to convert following code to C#. Following is the whole code. 
Private Sub Calendar1_SelectionChanged(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Calendar1.SelectionChanged TextBox1.Text = Calendar1.SelectedDate.ToShortDateString() Dim div As System.Web.UI.Control = Page.FindControl("divCalendar") If TypeOf div Is HtmlGenericControl Then CType(div, HtmlGenericControl).Style.Add("display", "none") End If End Sub What is equivalent converted C# code for following block?
If TypeOf div Is HtmlGenericControl Then CType(div, HtmlGenericCo ...