Void set_XmlDataType( String value);
     Class System.Data.SimpleType get_SimpleType();
     Void set_SimpleType( Class System.Data.SimpleType value);
     ValueClass System.Data.MappingType get_ColumnMapping();
     Void set_ColumnMapping( ValueClass System.Data.MappingType value);
     String get_Description();
     Void set_Description( String value);
     Void add_PropertyChanging( Class System.ComponentModel.PropertyChangedEventHandler value);
     Void remove_PropertyChanging( Class System.ComponentModel.PropertyChangedEventHandler value);
     Void CheckColumnConstraint( Class System.Data.DataRow row,  ValueClass System.Data.DataRowAction action);
     Boolean CheckMaxLength();
     Void CheckMaxLength( Class System.Data.DataRow row);
     Void CheckNotAllowNull();
     Void CheckNullable( Class System.Data.DataRow row);
     Void CheckReadOnly( Class System.Data.DataRow row);
     Void CheckUnique();
     I4 Compare( I4 record1,  I4 record2);
     I4 CompareToValue( I4 record1,  Object value);
     Void Copy( I4 srcRecordNo,  I4 dstRecordNo);
     Class System.Data.DataColumn Clone();
     Class System.Data.DataRelation FindParentRelation();
     Object GetAggregateValue( SZArray I4 records,  ValueClass System.Data.AggregateType kind);
     Void Init( I4 record,  Boolean fConvertNull);
     Void Init( I4 record);
     Boolean IsAutoIncrementType( Class System.Type dataType);
     Boolean IsNull( I4 record);
     Boolean IsInRelation();
     Boolean IsMaxLengthViolated();
     Boolean IsNotAllowDBNullViolated();
     Void FinishInitInProgress();
     Void OnPropertyChanging( Class System.ComponentModel.PropertyChangedEventArgs pcevent);
     Void RaisePropertyChanging( String name);
     Void SetCapacity( I4 capacity);
     Boolean ShouldSerializeDefaultValue();
     Class System.Data.Common.DataStorage get_Storage();
     Void set_Storage( Class System.Data.Common.DataStorage value);
     Void OnSetDataSet();
     String ToString();
     Object ConvertXmlToObject( String s);
     String ConvertObjectToXml( Object value);

    property AllowDBNull { get(){} set(){} };
    property AutoIncrement { get(){} set(){} };
    property AutoIncrementSeed { get(){} set(){} };
    property AutoIncrementStep { get(){} set(){} };
    property Caption { get(){} set(){} };
    property ColumnName { get(){} set(){} };
    property EncodedColumnName { get(){} set(){} };
    property Prefix { get(){} set(){} };
    property Computed { get(){} set(){} };
    property DataExpression { get(){} set(){} };
    property DataType { get(){} set(){} };
    property DefaultValue { get(){} set(){} };
    property Expression { get(){} set(){} };
    property ExtendedProperties { get(){} set(){} };
    property HasData { get(){} set(){} };
    property MaxLength { get(){} set(){} };
    property Namespace { get(){} set(){} };
    property Ordinal { get(){} set(){} };
    property ReadOnly { get(){} set(){} };
    property SortIndex { get(){} set(){} };
    property Table { get(){} set(){} };
    property Item { get(){} set(){} };
    property Item { get(){} set(){} };
    property Unique { get(){} set(){} };
    property InternalUnique { get(){} set(){} };
    property XmlDataType { get(){} set(){} };
    property SimpleType { get(){} set(){} };
    property ColumnMapping { get(){} set(){} };
    property Description { get(){} set(){} };
    property Storage { get(){} set(){} };

    event PropertyChanging;
    }

class System.Data.DataColumnChangeEventArgs : System.EventArgs
    {
     Class System.Data.DataColumn column;
     Object proposedValue;
     Class System.Data.DataRow row;

     Void System.Data.DataColumnChangeEventArgs();
     Void System.Data.DataColumnChangeEventArgs( Class System.Data.DataRow row,  Class System.Data.DataColumn column,  Object value);
     Class System.Data.DataColumn get_Column();
     Class System.Data.DataRow get_Row();
     Object get_ProposedValue();
     Void set_ProposedValue( Object value);
     Void Initialize( Class System.Data.DataRow row,  Class System.Data.DataColumn column,  Object value);

    property Column { get(){} set(){} };
    property Row { get(){} set(){} };
    property ProposedValue { get(){} set(){} };

    }

class System.Data.DataColumnChangeEventHandler : System.MulticastDelegate
    {

     Void System.Data.DataColumnChangeEventHandler( Object object,  I method);
     Void Invoke( Object sender,  Class System.Data.DataColumnChangeEventArgs e);
     Class System.IAsyncResult BeginInvoke( Object sender,  Class System.Data.DataColumnChangeEventArgs e,  Class System.AsyncCallback callback,  Object object);
     Void EndInvoke( Class System.IAsyncResult result);


    }

class System.Data.DataColumnCollection : System.Data.InternalDataCollectionBase
    {
     Class System.Data.DataTable table;
     Class System.Collections.ArrayList list;
     I4 defaultNameIndex;
     SZArray Class System.Data.DataColumn delayedAddRangeColumns;
     Class System.Data.ColumnQueue columnQueue;
     Class System.Collections.Hashtable columnFromName;
     Class System.Collections.CaseInsensitiveHashCodeProvider hashCodeProvider;
     Class System.ComponentModel.CollectionChangeEventHandler onCollectionChangedDelegate;
     Class System.ComponentModel.CollectionChangeEventHandler onCollectionChangingDelegate;
     Class System.ComponentModel.CollectionChangeEventHandler onColumnPropertyChangedDelegate;

     Void System.Data.DataColumnCollection( Class System.Data.DataTable table);
     Class System.Collections.ArrayList get_List();
     Class System.Data.DataColumn get_Item( I4 index);
     Class System.Data.DataColumn get_Item( String name);
     Class System.Data.DataColumn get_Item( String name,  String ns);
     Void Add( Class System.Data.DataColumn column);
     Void AddAt( I4 index,  Class System.Data.DataColumn column);
     Void AddRange( SZArray Class System.Data.DataColumn columns);
     Class System.Data.DataColumn Add( String columnName,  Class System.Type type,  String expression);
     Class System.Data.DataColumn Add( String columnName,  Class System.Type type);
     Class System.Data.DataColumn Add( String columnName);
     Class System.Data.DataColumn Add();
     Void add_CollectionChanged( Class System.ComponentModel.CollectionChangeEventHandler value);
     Void remove_CollectionChanged( Class System.ComponentModel.CollectionChangeEventHandler value);
     Void add_CollectionChanging( Class System.ComponentModel.CollectionChangeEventHandler value);
     Void remove_CollectionChanging( Class System.ComponentModel.CollectionChangeEventHandler value);
     Void add_ColumnPropertyChanged( Class System.ComponentModel.CollectionChangeEventHandler value);
     Void remove_ColumnPropertyChanged( Class System.ComponentModel.CollectionChangeEventHandler value);
     Void ArrayAdd( Class System.Data.DataColumn column);
     Void ArrayAdd( I4 index,  Class System.Data.DataColumn column);
     Void ArrayRemove( Class System.Data.DataColumn column);
     String AssignName();
     Void BaseAdd( Class System.Data.DataColumn column,  Class System.Data.Common.DataStorage storage);
     Void BaseGroupSwitch( SZArray Class System.Data.DataColumn oldArray,  I4 oldLength,  SZArray Class System.Data.DataColumn newArray,  I4 newLength);
     Void BaseRemove( Class System.Data.DataColumn column);
     Void CalculateExpressions( Class System.Data.DataRow row,  ValueClass System.Data.DataRowAction action);
     Void CalculateExpressions( Class System.Data.DataColumn column);
     Void CalculateExpressions( SZArray Class System.Data.DataColumn list,  I4 count,  Class System.Data.DataColumn start);
     Boolean CanRemove( Class System.Data.DataColumn column);
     Boolean CanRemove( Class System.Data.DataColumn column,  Boolean fThrowException);
     Void Clear();
     Boolean Contains( String name);
     Boolean Contains( String name,  Boolean caseSensitive);
     I4 GetSpecialHashCode( String name);
     I4 IndexOf( Class System.Data.DataColumn column);
     I4 IndexOf( String columnName);
     I4 IndexOfCaseInsensitive( String name);
     Void FinishInitCollection();
     String MakeName( I4 index);
     Void OnCollectionChanged( Class System.ComponentModel.CollectionChangeEventArgs ccevent);
     Void OnCollectionChanging( Class System.ComponentModel.CollectionChangeEventArgs ccevent);
     Void OnColumnPropertyChanged( Class System.ComponentModel.CollectionChangeEventArgs ccevent);
     Void RefreshComputedColumns( Class System.Data.DataColumn start);
     Void RegisterName( String name,  Class System.Data.DataColumn col);
     Void Remove( Class System.Data.DataColumn column);
     Void RemoveAt( I4 index);
     Void Remove( String name);
     Void UnregisterName( String name);

    property List { get(){} set(){} };
    property Item { get(){} set(){} };
    property Item { get(){} set(){} };
    property Item { get(){} set(){} };

    event CollectionChanged;
    event CollectionChanging;
    event ColumnPropertyChanged;
    }

class System.Data.DataColumnPropertyDescriptor : System.ComponentModel.PropertyDescriptor
    {
     Class System.Data.DataColumn column;

     Void System.Data.DataColumnPropertyDescriptor( Class System.Data.DataColumn dataColumn);
     Class System.Data.DataColumn get_Column();
     Class System.Type get_ComponentType();
     Boolean get_IsReadOnly();
     Class System.Type get_PropertyType();
     Boolean Equals( Object other);
     I4 GetHashCode();
     Boolean CanResetValue( Object component);
     Object GetValue( Object component);
     Void ResetValue( Object component);
     Void SetValue( Object component,  Object value);
     Boolean ShouldSerializeValue( Object component);
     Boolean get_IsBrowsable();

    property Column { get(){} set(){} };
    property ComponentType { get(){} set(){} };
    property IsReadOnly { get(){} set(){} };
    property PropertyType { get(){} set(){} };
    property IsBrowsable { get(){} set(){} };

    }

class System.Data.DataError : System.Object
    {
     I4 initialCapacity;
     String rowError;
     I4 count;
     SZArray ValueClass ColumnError errorList;

     Void System.Data.DataError();
     Void System.Data.DataError( String rowError);
     String get_Text();
     Void set_Text( String value);
     Boolean get_HasErrors();
     Void SetColumnError( Class System.Data.DataColumn column,  String error);
     String GetColumnError( Class System.Data.DataColumn column);
     Void Clear( Class System.Data.DataColumn column);
     Void Clear();
     SZArray Class System.Data.DataColumn GetColumnsInError();
     Void SetText( String errorText);
     I4 IndexOf( Class System.Data.DataColumn column);

    property Text { get(){} set(){} };
    property HasErrors { get(){} set(){} };

    }

class ColumnError : System.ValueType
    {
     Class System.Data.DataColumn column;
     String error;



    }

class System.Data.DataException : System.SystemException
    {

     Void System.Data.DataException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.DataException();
     Void System.Data.DataException( String s);
     Void System.Data.DataException( String s,  Class System.Exception innerException);


    }

class System.Data.ConstraintException : System.Data.DataException
    {

     Void System.Data.ConstraintException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.ConstraintException();
     Void System.Data.ConstraintException( String s);


    }

class System.Data.DeletedRowInaccessibleException : System.Data.DataException
    {

     Void System.Data.DeletedRowInaccessibleException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.DeletedRowInaccessibleException();
     Void System.Data.DeletedRowInaccessibleException( String s);


    }

class System.Data.DuplicateNameException : System.Data.DataException
    {

     Void System.Data.DuplicateNameException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.DuplicateNameException();
     Void System.Data.DuplicateNameException( String s);


    }

class System.Data.InRowChangingEventException : System.Data.DataException
    {

     Void System.Data.InRowChangingEventException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.InRowChangingEventException();
     Void System.Data.InRowChangingEventException( String s);


    }

class System.Data.InvalidConstraintException : System.Data.DataException
    {

     Void System.Data.InvalidConstraintException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.InvalidConstraintException();
     Void System.Data.InvalidConstraintException( String s);


    }

class System.Data.MissingPrimaryKeyException : System.Data.DataException
    {

     Void System.Data.MissingPrimaryKeyException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data.MissingPrimaryKeyException();
     Void System.Data.MissingPrimaryKeyException( String s);


    }

class System.Data.NoNullAllowedException : System.Data.DataException
    {

     Void System.Data.NoNullAllowedException( Class System.Runtime.Serialization.SerializationInfo info,  ValueClass System.Runtime.Serialization.StreamingContext context);
     Void System.Data