protected void Page_Load(object sender, System.EventArgs e)
 {
     if (!IsPostBack)
     {
         UserIDCode.Focus();
         btnResetPWD.Enabled = false;
     }
 }
 private void EnableInputFields()
 {
     if (UserIDOrBillCode.SelectedValue == "UserID")
     {
         UserIDCode.Focus();
         UserIDGrp.Style["display"]   = "";
         BillCodeGrp.Style["display"] = "none";
         BillingCode.Text             = "";
     }
     else
     {
         BillCodeGrp.Focus();
         BillCodeGrp.Style["display"] = "";
         UserIDGrp.Style["display"]   = "none";
         UserIDCode.Text = "";
     }
 }