System.Data.XmlSchemaDataImporter.ProcessDataTableElement C# (CSharp) Method

		private void ProcessDataTableElement (XmlSchemaElement el)
		{
			string tableName = XmlHelper.Decode (el.QualifiedName.Name);
			// If it is already registered, just ignore.
			if (dataset.Tables.Contains (tableName))
				return;

			DataTable table = new DataTable (tableName);
			table.Namespace = el.QualifiedName.Namespace;
			TableStructure oldTable = currentTable;
			currentTable = new TableStructure (table);

			dataset.Tables.Add (table);

			// Find Locale
			if (el.UnhandledAttributes != null) {
				foreach (XmlAttribute attr in el.UnhandledAttributes) {
					
					if (attr.NamespaceURI == XmlConstants.MspropNamespace) {
					       table.ExtendedProperties.Add (attr.Name, attr.Value);
					       continue;
					}

					if (attr.LocalName == "Locale" &&
						attr.NamespaceURI == XmlConstants.MsdataNamespace)
						table.Locale = new CultureInfo (attr.Value);
				}
			}

			// Handle complex type (NOTE: It is (or should be)
			// impossible the type is other than complex type).
			XmlSchemaComplexType ct = null;
#if NET_2_0
			ct = (XmlSchemaComplexType) el.ElementSchemaType;
#else
			ct = (XmlSchemaComplexType) el.ElementType;
#endif

			// Handle attributes
			foreach (DictionaryEntry de in ct.AttributeUses)
				ImportColumnAttribute ((XmlSchemaAttribute) de.Value);

			// Handle content type particle
			if (ct.ContentTypeParticle is XmlSchemaElement)
				ImportColumnElement (el, (XmlSchemaElement) ct.ContentTypeParticle);
			else if (ct.ContentTypeParticle is XmlSchemaGroupBase)
				ImportColumnGroupBase (el, (XmlSchemaGroupBase) ct.ContentTypeParticle);
			// else if null then do nothing.

			// Handle simple content
			switch (ct.ContentType) {
			case XmlSchemaContentType.TextOnly:
//			case XmlSchemaContentType.Mixed:
				// LAMESPEC: When reading from XML Schema, it maps to "_text", while on the data inference, it is mapped to "_Text" (case ignorant).
				string simpleName = el.QualifiedName.Name + "_text";
				DataColumn simple = new DataColumn (simpleName);
				simple.Namespace = el.QualifiedName.Namespace;
				simple.AllowDBNull = (el.MinOccurs == 0);
				simple.ColumnMapping = MappingType.SimpleContent;
				simple.DataType = ConvertDatatype (ct.Datatype);
				currentTable.NonOrdinalColumns.Add (simple);
				break;
			}

			// add columns to the table in specified order 
			// (by msdata:Ordinal attributes)
			SortedList sd = new SortedList ();
			foreach (DictionaryEntry de in currentTable.OrdinalColumns)
				sd.Add (de.Value, de.Key);
			foreach (DictionaryEntry de in sd)
				table.Columns.Add ((DataColumn) de.Value);
			foreach (DataColumn dc in currentTable.NonOrdinalColumns)
				table.Columns.Add (dc);

			currentTable = oldTable;
		}