System.Data.XmlToDatasetMap.IsMappedColumn C# (CSharp) Method

        internal static bool IsMappedColumn(DataColumn c)
        {
            return (c.ColumnMapping != MappingType.Hidden);
        }

        private void LoadRowData(DataRow row, XmlElement rowElement)
        {
            DataTable table = row.Table;

            if (this.FromInference)
            {
                table.Prefix = rowElement.Prefix;
            }
            Hashtable hashtable = new Hashtable();

            row.BeginEdit();
            XmlNode    firstChild     = rowElement.FirstChild;
            DataColumn textOnlyColumn = this.GetTextOnlyColumn(row);

            if (textOnlyColumn != null)
            {
                hashtable[textOnlyColumn] = textOnlyColumn;
                string valueForTextOnlyColums = this.GetValueForTextOnlyColums(firstChild);
                if (XMLSchema.GetBooleanAttribute(rowElement, "nil", "http://www.w3.org/2001/XMLSchema-instance", false) && ADP.IsEmpty(valueForTextOnlyColums))
                {
                    row[textOnlyColumn] = DBNull.Value;
                }
                else
                {
                    this.SetRowValueFromXmlText(row, textOnlyColumn, valueForTextOnlyColums);
                }
            }
            while ((firstChild != null) && (firstChild != rowElement))
            {
                if (firstChild.NodeType == XmlNodeType.Element)
                {
                    XmlElement node          = (XmlElement)firstChild;
                    object     schemaForNode = this.nodeToSchemaMap.GetSchemaForNode(node, this.FIgnoreNamespace(node));
                    if ((schemaForNode is DataTable) && this.FColumnElement(node))
                    {
                        schemaForNode = this.nodeToSchemaMap.GetColumnSchema(node, this.FIgnoreNamespace(node));
                    }
                    if ((schemaForNode == null) || (schemaForNode is DataColumn))
                    {
                        firstChild = node.FirstChild;
                        if ((schemaForNode != null) && (schemaForNode is DataColumn))
                        {
                            DataColumn col = (DataColumn)schemaForNode;
                            if (((col.Table == row.Table) && (col.ColumnMapping != MappingType.Attribute)) && (hashtable[col] == null))
                            {
                                hashtable[col] = col;
                                string str = this.GetValueForTextOnlyColums(firstChild);
                                if (XMLSchema.GetBooleanAttribute(node, "nil", "http://www.w3.org/2001/XMLSchema-instance", false) && ADP.IsEmpty(str))
                                {
                                    row[col] = DBNull.Value;
                                }
                                else
                                {
                                    this.SetRowValueFromXmlText(row, col, str);
                                }
                            }
                        }
                        else if ((schemaForNode == null) && (firstChild != null))
                        {
                            continue;
                        }
                        if (firstChild == null)
                        {
                            firstChild = node;
                        }
                    }
                }
                while ((firstChild != rowElement) && (firstChild.NextSibling == null))
                {
                    firstChild = firstChild.ParentNode;
                }
                if (firstChild != rowElement)
                {
                    firstChild = firstChild.NextSibling;
                }
            }
            foreach (XmlAttribute attribute in rowElement.Attributes)
            {
                object columnSchema = this.nodeToSchemaMap.GetColumnSchema(attribute, this.FIgnoreNamespace(attribute));
                if ((columnSchema != null) && (columnSchema is DataColumn))
                {
                    DataColumn column3 = (DataColumn)columnSchema;
                    if ((column3.ColumnMapping == MappingType.Attribute) && (hashtable[column3] == null))
                    {
                        hashtable[column3] = column3;
                        firstChild         = attribute.FirstChild;
                        this.SetRowValueFromXmlText(row, column3, this.GetInitialTextFromNodes(ref firstChild));
                    }
                }
            }
            foreach (DataColumn column in row.Table.Columns)
            {
                if ((hashtable[column] == null) && XmlToDatasetMap.IsMappedColumn(column))
                {
                    if (!column.AutoIncrement)
                    {
                        if (column.AllowDBNull)
                        {
                            row[column] = DBNull.Value;
                        }
                        else
                        {
                            row[column] = column.DefaultValue;
                        }
                    }
                    else
                    {
                        column.Init(row.tempRecord);
                    }
                }
            }
            row.EndEdit();
        }