private void btnSave_Click(object sender, EventArgs e) { if (valid()) { PatientHistory objPatientHistory = new PatientHistory(); objPatientHistory.Paid = "Y"; objPatientHistory.Datemodified = System.DateTime.Now; objPatientHistory.Modifiedby = this.sessionKey; objPatientHistory.Appointmentid = Convert.ToInt32(cbAppointmentDetails.SelectedItem.ToString().Split('|')[0].Trim()); objPatientHistory.UpdatePatientHistory(objPatientHistory); DisplayMessage("Payment Done.", "Successful..!!", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2); ClearAppointmentDetails(); Clear(); objAppointment.GetAppointmentList(cbAppointmentDetails); } }