public transportation transportation_insert()
{
transportation.location_from = Insert_location_from_txt.Text;
transportation.location_to = Insert_location_to_txt.Text;
transportation.no_of_passangers = Convert.ToInt32(Insert_no_of_passangers_txt.Text);
transportation.pickup_date = Convert.ToDateTime(Insert_pickup_date_txt.Text);
transportation.trans_type = Insert_trans_type_txt.Text;
transportation.Vehicle_id = Convert.ToInt32(Insert_Vehicle_id_txt.Text);
transportation = transportation.Insert(transportation);
Insert_transportation_GridView.DataBind();
Update_transportation_GridView.DataBind();
Delete_transportation_GridView.DataBind();
return(transportation);
}