protected void btnSubmit_Click(object sender, EventArgs e)
 {
     AreaCodeValidatorRef.AreaCodeValidatorWebService ac = new AreaCodeValidatorRef.AreaCodeValidatorWebService();
     if (ac.IsValid(DropDownListAreaCode.SelectedValue, DropDownListState.SelectedValue))
     {
         lblAreaCodeError.Text = "";
         if (CheckBoxRemind.Checked)
         {
             //add Date of Birth in a Cookie
             HttpCookie DOBCookie = new HttpCookie("DOBCookie", DropDownListDay.SelectedValue + "/" + DropDownListMonth.SelectedValue);
             // Set the cookie expiration date.
             DOBCookie.Expires = DateTime.Now.AddMonths(1);
             // Add the cookie.
             Response.Cookies.Add(DOBCookie);
             //Response.Write("<p> The cookie has been written.");
         }
         else
         {
             //Delete Date of Birth in a Cookie
             HttpCookie DOBCookie = new HttpCookie("DOBCookie");
             // Set the cookie expiration date.
             DOBCookie.Expires = DateTime.Now.AddMonths(-1);
             // Add the cookie.
             Response.Cookies.Add(DOBCookie);
             //Response.Write("<p> The cookie has been written.");
         }
         //save in file
         AddSearchRef.AddSearchWebService a = new AddSearchRef.AddSearchWebService();
         a.AddContact(txtboxFirstname.Text, txtboxLastname.Text, DropDownListAreaCode.SelectedValue, txtboxPhoneNO.Text, txtboxAddr.Text, DropDownListState.SelectedValue, txtboxEmail.Text, DropDownListDay.SelectedValue + "/" + DropDownListMonth.SelectedValue + "/" + DropDownListYear.SelectedValue);
         //
         Response.Redirect("SearchPage.aspx", true);
     }
     else
         lblAreaCodeError.Text = "The selected area code is not valid in the selected state!";
 }