Edit these values are null

[mohamed]

if (e.Item is TreeListEditableItem && (e.Item as TreeListEditableItem).IsInEditMode)
            {
                TreeListEditableItem item = (TreeListEditableItem)e.Item;
                RadNumericTextBox Quantity = (RadNumericTextBox)item.FindControl("Quantity");
                RadNumericTextBox Rate = (RadNumericTextBox)item.FindControl("Rate");
                RadNumericTextBox Amount = (RadNumericTextBox)item.FindControl("Amount");

If i going to edit these values are come null

Thanks Advance,
Mohamed.

[mohamed]

adding this one (e.Item.ItemType == TreeListItemType.EditFormItem)

Regards,
Mohamed.