Fill Years to Dropdownlist dynamically with some range in Asp.net

Filling Dropdownlist dynamically with the range of 1900 to this Year, for that

write the following code in PageLoad:

protected void Page_Load(object sender, EventArgs e)

    {

        if (!Page.IsPostBack)

        {

             int thisYear = Convert.ToInt32(System.DateTime.Now.Year);

            for (int i = 1999; i <= thisYear; i++)

            {

                ddlYear.Items.Add(new ListItem(i.ToString(), i.ToString()));

            }

            ListItem lsitem = new ListItem("Select Year", "0");

            ddlYear.Items.Insert(0, lsitem);

        }

    }