private void addHarvestingJob() { HarvestingJob hj = new HarvestingJob(); hj.Description = textBox1.Text; hj.SowingJob_id = Convert.ToInt32(cbSoj.Text); string idStr = cbFarm.Text.Split('.')[0]; hj.Farm_id = int.Parse(idStr); string idStr1 = cbCrop.Text.Split('.')[0]; hj.Crop_id = int.Parse(idStr1); string idStr2 = cbVehicle.Text.Split('.')[0]; hj.Vehicle_id = int.Parse(idStr2); hj.Est_quantity = int.Parse(numericUpDown1.Text); hj.Harvested_quantity = int.Parse(numericUpDown2.Text); string idStr3 = cbEmployee.Text.Split('.')[0]; hj.Employee_id = int.Parse(idStr3); hj.Date_start = Convert.ToDateTime(dtpStart1.Value); hj.Date_end = Convert.ToDateTime(dtpEnd.Value); InsertSQL hdl = new InsertSQL(); hdl.addNewHarvestingJob(hj); MessageBox.Show("Success!!"); this.Close(); }