private void addFertiliser()
{
FertilisingJob fj = new FertilisingJob();
fj.Description = textBox1.Text;
string idStr = cbFertiliser.Text.Split('.')[0];
fj.Fertiliser_id = int.Parse(idStr);
fj.Quantity_kg = int.Parse(textBox3.Text);
string idStr1 = cbSoj.Text.Split('.')[0];
fj.SowingJob_id = int.Parse(idStr1);
string idStr2 = cbFarm.Text.Split('.')[0];
fj.Farm_id = int.Parse(idStr2);
string idStr3 = cbVehicle.Text.Split('.')[0];
fj.Vehicle_id = int.Parse(idStr3);
string idStr4 = cbCrop.Text.Split('.')[0];
fj.Crop_id = int.Parse(idStr4);
string idStr5 = cbEmployee.Text.Split('.')[0];
fj.Employee_id = int.Parse(idStr5);
fj.Date_start = this.dtpStart.Value;
fj.Date_end = this.dtpEnd.Value;
InsertSQL add = new InsertSQL();
int addrecord = add.addNewFertilisingJob(fj);
MessageBox.Show("Success!!");
this.Close();
}