//TODO: Thêm DetailPresentor theo model http://www.telerik.com/forums/detailspresenter-with-template-selector-not-binding-properly-with-mvvm-pattern
 private void InitializeRowContextMenuItems()
 {
     ObservableCollection<Inventory_Product_MenuItem> items = new ObservableCollection<Inventory_Product_MenuItem>();
     Inventory_Product_MenuItem editItem = new Inventory_Product_MenuItem();
     editItem.Text = "Nhận";
     items.Add(editItem);
     Inventory_Product_MenuItem deleteItem = new Inventory_Product_MenuItem();
     deleteItem.Text = "Xóa";
     items.Add(deleteItem);
     this.rowContextMenuItems = items;
 }
 private void InitializeHeaderContextMenuItems()
 {
     ObservableCollection<Inventory_Product_MenuItem> headerItems = new ObservableCollection<Inventory_Product_MenuItem>();
     Inventory_Product_MenuItem moveLeftItem = new Inventory_Product_MenuItem();
     moveLeftItem.Text = "Move Left";
     headerItems.Add(moveLeftItem);
     Inventory_Product_MenuItem moveRightItem = new Inventory_Product_MenuItem();
     moveRightItem.Text = "Move Right";
     headerItems.Add(moveRightItem);
     this.headerContextMenuItems = headerItems;
 }