/// <summary>
        /// Muestra la ventana de AssistanceStatusDetail en modo ReadOnly
        /// </summary>
        /// <history>
        /// [emoguel] 27/Feb/2016 Created
        /// </history>
        private void Cell_DoubleClick(object sender, RoutedEventArgs e)
        {
            AssistanceStatus          assistance          = (AssistanceStatus)dtgAssitances.SelectedItem;
            frmAssistanceStatusDetail frmAssistanceDetail = new frmAssistanceStatusDetail();

            frmAssistanceDetail.oldAssistance = assistance;
            frmAssistanceDetail.Owner         = this;
            frmAssistanceDetail.mode          = ((_blnEdit == true) ? EnumMode.Edit : EnumMode.ReadOnly);
            if (frmAssistanceDetail.ShowDialog() == true)
            {
                List <AssistanceStatus> lstAssistancesStatus = (List <AssistanceStatus>)dtgAssitances.ItemsSource;
                int nIndex = 0;
                if (!ValidateFilters(frmAssistanceDetail.assistance)) //Validamos si cumple con los filtros
                {
                    lstAssistancesStatus.Remove(assistance);          //Quitamos el registro
                }
                else
                {
                    ObjectHelper.CopyProperties(assistance, frmAssistanceDetail.assistance);
                    lstAssistancesStatus.Sort((x, y) => string.Compare(x.atN, y.atN));//ordenamos la lista
                    nIndex = lstAssistancesStatus.IndexOf(assistance);
                }
                dtgAssitances.Items.Refresh();                                              //regrescamos el grid
                GridHelper.SelectRow(dtgAssitances, nIndex);
                StatusBarReg.Content = lstAssistancesStatus.Count + " Assistances Status."; //Actualizamos el contador
            }
        }
        /// <summary>
        /// Muestra la ventana de AssistanceStatusDetail para agregar un registro nuevo
        /// </summary>
        /// <history>
        /// [emoguel] 27/Feb/2016 Created
        /// </history>
        private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            frmAssistanceStatusDetail frmAssistanceDetail = new frmAssistanceStatusDetail();

            frmAssistanceDetail.Owner = this;
            frmAssistanceDetail.mode  = EnumMode.Add;//insertar
            if (frmAssistanceDetail.ShowDialog() == true)
            {
                if (ValidateFilters(frmAssistanceDetail.assistance))//Validamos si cumple con los filtros
                {
                    List <AssistanceStatus> lstAssistancesStatus = (List <AssistanceStatus>)dtgAssitances.ItemsSource;
                    lstAssistancesStatus.Add(frmAssistanceDetail.assistance);                   //Agregamos el registro nuevo
                    lstAssistancesStatus.Sort((x, y) => string.Compare(x.atN, y.atN));          //ordenamos la lista
                    int nIndex = lstAssistancesStatus.IndexOf(frmAssistanceDetail.assistance);  //Obtenemos el index del registro nuevo
                    dtgAssitances.Items.Refresh();                                              //regrescamos el grid
                    GridHelper.SelectRow(dtgAssitances, nIndex);
                    StatusBarReg.Content = lstAssistancesStatus.Count + " Assistances Status."; //Actualizamos el contador
                }
            }
        }