private void Cb_firstLevel_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            try
            {
                ComboBox combo = sender as ComboBox;
                secondLevel = objects.Where(x => x.parentObjectId == (int)cb_firstLevel.SelectedValue);

                if (secondLevel.Count() > 0)
                {
                    cb_secondLevel.IsEnabled = true;

                    #region fill secondLevel

                    newlist2 = new List <Classes.Object>();
                    foreach (var row in secondLevel)
                    {
                        Classes.Object newrow = new Classes.Object();
                        newrow.objectId       = row.objectId;
                        newrow.name           = SectionData.translate(row.name);
                        newrow.parentObjectId = row.parentObjectId;
                        newlist2.Add(newrow);
                    }
                    //secondLevel = objects.Where(x => x.parentObjectId == (int)cb_firstLevel.SelectedValue);
                    cb_secondLevel.DisplayMemberPath = "name";
                    cb_secondLevel.SelectedValuePath = "objectId";
                    //cb_secondLevel.ItemsSource = secondLevel;
                    cb_secondLevel.ItemsSource = newlist2.OrderBy(x => x.name);

                    #endregion
                }
                else
                {
                    cb_secondLevel.IsEnabled = false;
                }
            }
            catch (Exception ex)
            {
                SectionData.ExceptionMessage(ex, this);
            }
        }
        private void fillFirstLevel()
        {
            #region fill FirstLevel
            firstLevel = objects.Where(x => string.IsNullOrEmpty(x.parentObjectId.ToString()) && x.objectType == "basic");
            newlist    = new List <Classes.Object>();

            foreach (var row in firstLevel)
            {
                Classes.Object newrow = new Classes.Object();
                newrow.objectId       = row.objectId;
                newrow.name           = SectionData.translate(row.name);
                newrow.parentObjectId = row.parentObjectId;
                newlist.Add(newrow);
            }
            //  firstLevel = objects.Where(x => string.IsNullOrEmpty( x.parentObjectId.ToString()) && x.objectType == "basic" );
            cb_firstLevel.DisplayMemberPath = "name";
            cb_firstLevel.SelectedValuePath = "objectId";
            // cb_firstLevel.ItemsSource = firstLevel;
            cb_firstLevel.ItemsSource = newlist.OrderBy(x => x.name);

            #endregion
        }