private void addPesticideJob()
        {
            PesticideJob pj = new PesticideJob();

            pj.Description = textBox1.Text;
            string idStr = cbPesticide.Text.Split('.')[0];

            pj.Pesticide_id = int.Parse(idStr);
            pj.Quantity_kg  = int.Parse(textBox3.Text);
            string idStr1 = cbSoj.Text.Split('.')[0];

            pj.SowingJob_id = int.Parse(idStr1);
            string idStr2 = cbFarm.Text.Split('.')[0];

            pj.Farm_id = int.Parse(idStr2);
            string idStr3 = cbVehicle.Text.Split('.')[0];

            pj.Vehicle_id = int.Parse(idStr3);
            string idStr4 = cbCrop.Text.Split('.')[0];

            pj.Crop_id = int.Parse(idStr4);
            string idStr5 = cbEmployee.Text.Split('.')[0];

            pj.Employee_id = int.Parse(idStr5);
            pj.Date_start  = Convert.ToDateTime(dtpStart.Text);
            pj.Date_end    = Convert.ToDateTime(dtpEnd.Text);

            InsertSQL add       = new InsertSQL();
            int       addrecord = add.addNewPesticideJob(pj);

            MessageBox.Show("Success!!");
            this.Close();
        }