ColumnMapping

virtual MappingType System.Data.DataColumn.ColumnMapping

getset

Definition at line 955 of file DataColumn.cs.

    {
        get
        {
            return _columnMapping;
        }
        set
        {
            DataCommonEventSource.Log.Trace("<ds.DataColumn.set_ColumnMapping|API> {0}, {1}", ObjectID, value);
            if (value == _columnMapping)
            {
                return;
            }
            if (value == MappingType.SimpleContent && _table != null)
            {
                int num = 0;
                if (_columnMapping == MappingType.Element)
                {
                    num = 1;
                }
                if (_dataType == typeof(char))
                {
                    throw ExceptionBuilder.CannotSetSimpleContent(ColumnName, _dataType);
                }
                if (_table.XmlText != null && _table.XmlText != this)
                {
                    throw ExceptionBuilder.CannotAddColumn3();
                }
                if (_table.ElementColumnCount > num)
                {
                    throw ExceptionBuilder.CannotAddColumn4(ColumnName);
                }
            }
            RaisePropertyChanging("ColumnMapping");
            if (_table != null)
            {
                if (_columnMapping == MappingType.SimpleContent)
                {
                    _table._xmlText = null;
                }
                if (value == MappingType.Element)
                {
                    _table.ElementColumnCount++;
                }
                else if (_columnMapping == MappingType.Element)
                {
                    _table.ElementColumnCount--;
                }
            }
            _columnMapping = value;
            if (value == MappingType.SimpleContent)
            {
                _columnUri = null;
                if (_table != null)
                {
                    _table.XmlText = this;
                }
                SimpleType = null;
            }
        }
    }

Referenced by System.Data.DataTableReader.GetSchemaTableFromDataTable(), System.Data.XmlDataLoader.IsTextOnly(), System.Xml.XPathNodePointer.IsValidChild(), System.Xml.DataPointer.MoveToAttribute(), System.Xml.XPathNodePointer.MoveToAttribute(), System.Xml.XPathNodePointer.MoveToNextAttribute(), System.Xml.DataPointer.MoveToOwnerElement(), System.Xml.DataPointer.MoveToParent(), and System.Xml.DataPointer.RealFoliate().