private void ImgAddEmployee_Tap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            if (Utilities.CheckInternetConnection())
            {
                // ----------------------------------------------------------------------
                // "Network Status: Connected."

                //====================================================================================================================
                // Add new employee
                //====================================================================================================================

                EmployeeViwModel _EmployeeDataContext = new EmployeeViwModel();
                // Set page mode for Edit record of employee
                _redirectMode = "Add";
                _EmployeeDataContext.mode = "Add";
                if (ISOFile.FileExists("viewEmployeeDetails"))
                {
                    ISOFile.DeleteFile("viewEmployeeDetails");
                }
                using (IsolatedStorageFileStream fileStream = ISOFile.OpenFile("viewEmployeeDetails", FileMode.Create))
                {
                    DataContractSerializer serializer = new DataContractSerializer(typeof(EmployeeViwModel));
                    serializer.WriteObject(fileStream, _EmployeeDataContext);

                    NavigationService.Navigate(new Uri("/Views/Employee/EmployeeAddEdit.xaml", UriKind.RelativeOrAbsolute));
                }
            }
            else
            {
                // ----------------------------------------------------------------------
                //  "Network Status: Not Connected."

                MessageBox.Show("You can not create a new employee in offline mode.");
            }
        }
        private void ImgAddEmployee_Tap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            //====================================================================================================================
            // Add new employee
            //====================================================================================================================

            EmployeeViwModel _EmployeeDataContext = new EmployeeViwModel();
            // Set page mode for Edit record of employee
            _redirectMode = "Add";
            _EmployeeDataContext.mode = "Add";
            if (ISOFile.FileExists("viewEmployeeDetails"))
            {
                ISOFile.DeleteFile("viewEmployeeDetails");
            }
            using (IsolatedStorageFileStream fileStream = ISOFile.OpenFile("viewEmployeeDetails", FileMode.Create))
            {
                DataContractSerializer serializer = new DataContractSerializer(typeof(EmployeeViwModel));
                serializer.WriteObject(fileStream, _EmployeeDataContext);

                NavigationService.Navigate(new Uri("/Views/Employee/EmployeeAddEdit.xaml", UriKind.RelativeOrAbsolute));
            }
        }