System.Xml.XmlDataDocument.DefoliateRegion C# (CSharp) Méthode

        private void DefoliateRegion(XmlBoundElement rowElem)
        {
            // You must pass a row element (which s/b associated w/ a DataRow)
            Debug.Assert(rowElem.Row != null);

            if (!_optimizeStorage)
                return;

            if (rowElem.ElementState != ElementState.WeakFoliation)
                return;

            if (!_mapper.IsRegionRadical(rowElem))
            {
                return;
            }

            bool saveIgnore = IgnoreXmlEvents;
            IgnoreXmlEvents = true;

            rowElem.ElementState = ElementState.Defoliating;

            try
            {
                // drop all attributes
                rowElem.RemoveAllAttributes();

                XmlNode node = rowElem.FirstChild;
                while (node != null)
                {
                    XmlNode next = node.NextSibling;

                    XmlBoundElement be = node as XmlBoundElement;
                    if (be != null && be.Row != null)
                        break;

                    // The node must be mapped to a column (since the region is radically structured)
                    Debug.Assert(_mapper.GetColumnSchemaForNode(rowElem, node) != null);
                    rowElem.RemoveChild(node);

                    node = next;
                }
#if DEBUG
                // All subsequent siblings must be sub-regions
                for (; node != null; node = node.NextSibling)
                {
                    Debug.Assert((node is XmlBoundElement) && (((XmlBoundElement)node).Row != null));
                }
#endif

                rowElem.ElementState = ElementState.Defoliated;
            }
            finally
            {
                IgnoreXmlEvents = saveIgnore;
            }
        }