protected void DdlVehicleId_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (DdlVehicleId.SelectedItem.Text != "Select")
        {
            obj.VehicleId = DdlVehicleId.SelectedItem.Text;
            int i = obj.ShowBookingInfo();

            if (i == 1)
            {
                TxtBookId.Text        = obj.BookingId.ToString();
                TxtDate.Text          = obj.DateOfBooked;
                TxtUserId.Text        = obj.UserId.ToString();
                TxtTimePeriod.Text    = obj.TimeOfPeriod.ToString();
                TxtBookingAmount.Text = obj.BookingAmount.ToString();
                TxtAmountPaid.Text    = obj.AmountPaid.ToString();
                TxtBookingStatus.Text = obj.BookingStatus.ToString() + " - NotAvaliable";
            }
            if (i == 0)
            {
                TxtBookingStatus.Text = obj.BookingStatus.ToString() + " - Vehicle Avaliable";
            }
        }
        else
        {
            ClearData();
        }
    }