public void EditEntryExcelCFromCodeBehind(ExcelC entry)
 {
     if (entry != null)
     {
         List <ExcelC> tempList = MyCollectionC.ToList();
         foreach (ExcelC item in tempList)
         {
             if (item.Val1.Equals(entry.Val1))
             {
                 item.Val2     = entry.Val2;
                 item.Val3     = entry.Val3;
                 item.Val4     = entry.Val4;
                 MyCollectionC = new ObservableCollection <ExcelC>(tempList);
                 break;
             }
         }
     }
 }
 private void ExportExcelC()
 {
     _manager.StoreCollectionC(MyCollectionC.ToList(), SelectedMonth);
     _manager.OpenExcelC(SelectedMonth);
 }
 public void StoreAllCollections()
 {
     this._manager.StoreCollectionA(MyCollectionA.ToList(), SelectedMonth);
     this._manager.StoreCollectionB(MyCollectionB.ToList());
     this._manager.StoreCollectionC(MyCollectionC.ToList(), SelectedMonth);
 }