private void GenerateColumn(DataRow row, DataColumn col, DataRowVersion version)
{
string columnValueAsString = null;
columnValueAsString = col.GetColumnValueAsString(row, version);
if (columnValueAsString == null)
{
if (col.ColumnMapping == MappingType.SimpleContent)
{
this._xmlw.WriteAttributeString("xsi", "nil", "http://www.w3.org/2001/XMLSchema-instance", "true");
}
}
else
{
bool flag;
string prefix = (col.Namespace.Length != 0) ? col.Prefix : string.Empty;
switch (col.ColumnMapping)
{
case MappingType.Element:
{
flag = true;
object obj2 = row[col, version];
if ((!col.IsCustomType || !col.IsValueCustomTypeInstance(obj2)) || typeof(IXmlSerializable).IsAssignableFrom(obj2.GetType()))
{
this._xmlw.WriteStartElement(prefix, col.EncodedColumnName, col.Namespace);
flag = false;
}
Type type = obj2.GetType();
if (col.IsCustomType)
{
if ((obj2 != DBNull.Value) && (!col.ImplementsINullable || !DataStorage.IsObjectSqlNull(obj2)))
{
if (col.IsValueCustomTypeInstance(obj2))
{
if (!flag && (obj2.GetType() != col.DataType))
{
this._xmlw.WriteAttributeString("msdata", "InstanceType", "urn:schemas-microsoft-com:xml-msdata", DataStorage.GetQualifiedName(type));
}
if (!flag)
{
col.ConvertObjectToXml(obj2, this._xmlw, null);
}
else
{
if (obj2.GetType() != col.DataType)
{
throw ExceptionBuilder.PolymorphismNotSupported(type.AssemblyQualifiedName);
}
XmlRootAttribute xmlAttrib = new XmlRootAttribute(col.EncodedColumnName)
{
Namespace = col.Namespace
};
col.ConvertObjectToXml(obj2, this._xmlw, xmlAttrib);
}
}
else
{
if (((type == typeof(Type)) || (type == typeof(Guid))) || ((type == typeof(char)) || DataStorage.IsSqlType(type)))
{
this._xmlw.WriteAttributeString("msdata", "InstanceType", "urn:schemas-microsoft-com:xml-msdata", type.FullName);
}
else if (obj2 is Type)
{
this._xmlw.WriteAttributeString("msdata", "InstanceType", "urn:schemas-microsoft-com:xml-msdata", "Type");
}
else
{
string str3 = "xs:" + XmlTreeGen.XmlDataTypeName(type);
this._xmlw.WriteAttributeString("xsi", "type", "http://www.w3.org/2001/XMLSchema-instance", str3);
this._xmlw.WriteAttributeString("xmlns:xs", "http://www.w3.org/2001/XMLSchema");
}
if (!DataStorage.IsSqlType(type))
{
this._xmlw.WriteString(col.ConvertObjectToXml(obj2));
}
else
{
col.ConvertObjectToXml(obj2, this._xmlw, null);
}
}
}
break;
}
if (((type == typeof(char)) || (type == typeof(string))) && XmlDataTreeWriter.PreserveSpace(columnValueAsString))
{
this._xmlw.WriteAttributeString("xml", "space", "http://www.w3.org/XML/1998/namespace", "preserve");
}
this._xmlw.WriteString(columnValueAsString);
break;
}
case MappingType.Attribute:
this._xmlw.WriteAttributeString(prefix, col.EncodedColumnName, col.Namespace, columnValueAsString);
return;
case MappingType.SimpleContent:
this._xmlw.WriteString(columnValueAsString);
return;
case MappingType.Hidden:
this._xmlw.WriteAttributeString("msdata", "hidden" + col.EncodedColumnName, "urn:schemas-microsoft-com:xml-msdata", columnValueAsString);
return;
default:
return;
}
if (!flag)
{
this._xmlw.WriteEndElement();
}
}
}
internal void XmlDataRowWriter(DataRow row, string encodedTableName)
{
object obj2;
string prefix = (row.Table.Namespace.Length == 0) ? "" : row.Table.Prefix;
this._xmlw.WriteStartElement(prefix, encodedTableName, row.Table.Namespace);
if (this.isDiffgram)
{
this._xmlw.WriteAttributeString("diffgr", "id", "urn:schemas-microsoft-com:xml-diffgram-v1", row.Table.TableName + row.rowID.ToString(CultureInfo.InvariantCulture));
this._xmlw.WriteAttributeString("msdata", "rowOrder", "urn:schemas-microsoft-com:xml-msdata", this.rowsOrder[row].ToString());
if (row.RowState == DataRowState.Added)
{
this._xmlw.WriteAttributeString("diffgr", "hasChanges", "urn:schemas-microsoft-com:xml-diffgram-v1", "inserted");
}
if (row.RowState == DataRowState.Modified)
{
this._xmlw.WriteAttributeString("diffgr", "hasChanges", "urn:schemas-microsoft-com:xml-diffgram-v1", "modified");
}
if (RowHasErrors(row))
{
this._xmlw.WriteAttributeString("diffgr", "hasErrors", "urn:schemas-microsoft-com:xml-diffgram-v1", "true");
}
}
foreach (DataColumn column2 in row.Table.Columns)
{
if (column2.columnMapping == MappingType.Attribute)
{
obj2 = row[column2];
string str3 = (column2.Namespace.Length == 0) ? "" : column2.Prefix;
if ((obj2 != DBNull.Value) && (!column2.ImplementsINullable || !DataStorage.IsObjectSqlNull(obj2)))
{
XmlTreeGen.ValidateColumnMapping(column2.DataType);
this._xmlw.WriteAttributeString(str3, column2.EncodedColumnName, column2.Namespace, column2.ConvertObjectToXml(obj2));
}
}
if (this.isDiffgram && (column2.columnMapping == MappingType.Hidden))
{
obj2 = row[column2];
if ((obj2 != DBNull.Value) && (!column2.ImplementsINullable || !DataStorage.IsObjectSqlNull(obj2)))
{
XmlTreeGen.ValidateColumnMapping(column2.DataType);
this._xmlw.WriteAttributeString("msdata", "hidden" + column2.EncodedColumnName, "urn:schemas-microsoft-com:xml-msdata", column2.ConvertObjectToXml(obj2));
}
}
}
foreach (DataColumn column in row.Table.Columns)
{
if (column.columnMapping != MappingType.Hidden)
{
obj2 = row[column];
string str2 = (column.Namespace.Length == 0) ? "" : column.Prefix;
bool flag = true;
if (((obj2 == DBNull.Value) || (column.ImplementsINullable && DataStorage.IsObjectSqlNull(obj2))) && (column.ColumnMapping == MappingType.SimpleContent))
{
this._xmlw.WriteAttributeString("xsi", "nil", "http://www.w3.org/2001/XMLSchema-instance", "true");
}
if (((obj2 != DBNull.Value) && (!column.ImplementsINullable || !DataStorage.IsObjectSqlNull(obj2))) && (column.columnMapping != MappingType.Attribute))
{
if ((column.columnMapping != MappingType.SimpleContent) && ((!column.IsCustomType || !column.IsValueCustomTypeInstance(obj2)) || typeof(IXmlSerializable).IsAssignableFrom(obj2.GetType())))
{
this._xmlw.WriteStartElement(str2, column.EncodedColumnName, column.Namespace);
flag = false;
}
Type type = obj2.GetType();
if (!column.IsCustomType)
{
if (((type == typeof(char)) || (type == typeof(string))) && PreserveSpace(obj2))
{
this._xmlw.WriteAttributeString("xml", "space", "http://www.w3.org/XML/1998/namespace", "preserve");
}
this._xmlw.WriteString(column.ConvertObjectToXml(obj2));
}
else if (column.IsValueCustomTypeInstance(obj2))
{
if (!flag && (type != column.DataType))
{
this._xmlw.WriteAttributeString("msdata", "InstanceType", "urn:schemas-microsoft-com:xml-msdata", DataStorage.GetQualifiedName(type));
}
if (!flag)
{
column.ConvertObjectToXml(obj2, this._xmlw, null);
}
else
{
if (obj2.GetType() != column.DataType)
{
throw ExceptionBuilder.PolymorphismNotSupported(type.AssemblyQualifiedName);
}
XmlRootAttribute xmlAttrib = new XmlRootAttribute(column.EncodedColumnName)
{
Namespace = column.Namespace
};
column.ConvertObjectToXml(obj2, this._xmlw, xmlAttrib);
}
}
else
{
if (((type == typeof(Type)) || (type == typeof(Guid))) || ((type == typeof(char)) || DataStorage.IsSqlType(type)))
{
this._xmlw.WriteAttributeString("msdata", "InstanceType", "urn:schemas-microsoft-com:xml-msdata", type.FullName);
}
else if (obj2 is Type)
{
this._xmlw.WriteAttributeString("msdata", "InstanceType", "urn:schemas-microsoft-com:xml-msdata", "Type");
}
else
{
string str = "xs:" + XmlTreeGen.XmlDataTypeName(type);
this._xmlw.WriteAttributeString("xsi", "type", "http://www.w3.org/2001/XMLSchema-instance", str);
this._xmlw.WriteAttributeString("xmlns:xs", "http://www.w3.org/2001/XMLSchema");
}
if (!DataStorage.IsSqlType(type))
{
this._xmlw.WriteString(column.ConvertObjectToXml(obj2));
}
else
{
column.ConvertObjectToXml(obj2, this._xmlw, null);
}
}
if ((column.columnMapping != MappingType.SimpleContent) && !flag)
{
this._xmlw.WriteEndElement();
}
}
}
}
if (this._ds != null)
{
foreach (DataRelation relation in this.GetNestedChildRelations(row))
{
foreach (DataRow row2 in row.GetChildRows(relation))
{
this.XmlDataRowWriter(row2, relation.ChildTable.EncodedTableName);
}
}
}
this._xmlw.WriteEndElement();
}