private void addPatientResult(object sender, RoutedEventArgs e)
        {
            try
            {
                ITestResultRepository testResultRepository = new TestResultRepository(ConfigurationManager.ConnectionStrings["ConnectionPatientResults"].ConnectionString);

                var parameters = new[]
                {
                    new SqlParameter(StoredProcedureParameters.Id, PatientRepository.PatientId),
                    new SqlParameter(StoredProcedureParameters.NameOfTest, "Protein Metabolism Test"),
                    new SqlParameter(StoredProcedureParameters.SpDateOfResult, Calendar.ToString()),
                    new SqlParameter(StoredProcedureParameters.GeneralProtein, Convert.ToDouble(txtGeneralProtein.Text)),
                    new SqlParameter(StoredProcedureParameters.Albumin, Convert.ToDouble(txtAlbumin.Text)),
                    new SqlParameter(StoredProcedureParameters.Globulin, Convert.ToDouble(txtGlobulin.Text)),
                    new SqlParameter(StoredProcedureParameters.Fibrinogen, Convert.ToDouble(txtFibrinogen.Text)),
                    new SqlParameter(StoredProcedureParameters.Creatinine, Convert.ToDouble(txtCreatinin.Text)),
                    new SqlParameter(StoredProcedureParameters.CreatineKinase, Convert.ToDouble(txtCreatineKinase.Text)),
                    new SqlParameter(StoredProcedureParameters.Urea, Convert.ToDouble(txtUrea.Text)),
                    new SqlParameter(StoredProcedureParameters.UreaAcid, Convert.ToDouble(txtUreaAcid.Text))
                };

                testResultRepository.InsertProteinMetabolismTestResultInfo(CommandType.StoredProcedure,
                                                                           StoredProcedureNames.SpInsertProteinMetabolismTestresultInfo, parameters);
                txtGeneralProtein.Text = string.Empty;
                txtAlbumin.Text        = string.Empty;
                txtGlobulin.Text       = string.Empty;
                txtFibrinogen.Text     = string.Empty;
                txtCreatinin.Text      = string.Empty;
                txtCreatineKinase.Text = string.Empty;
                txtUrea.Text           = string.Empty;
                txtUreaAcid.Text       = string.Empty;

                proteinMetabolism.Visibility = Visibility.Hidden;
                MessageBox.Show("Thank you, protein metabolism test result was succsesfully added");
            }
            catch (IOException ex)
            {
                MessageBox.Show(ex.Message);
            }
            catch (NullReferenceException ex)
            {
                MessageBox.Show(ex.Message);
            }
        }