Binding Constructor (String, Object, String, Boolean, DataSourceUpdateMode, Object)

Note: This constructor is new in the .NET Framework version 2.0.

Initializes a new instance of the Binding class that binds the indicated control property to the specified data member of the specified data source. Optionally enables formatting, propagates values to the data source based on the specified update setting, and sets the property to the specified value when a DBNull is returned from the data source.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in

public Binding (
	string propertyName,
	Object dataSource,
	string dataMember,
	bool formattingEnabled,
	DataSourceUpdateMode dataSourceUpdateMode,
	Object nullValue
public Binding (
	String propertyName, 
	Object dataSource, 
	String dataMember, 
	boolean formattingEnabled, 
	DataSourceUpdateMode dataSourceUpdateMode, 
	Object nullValue
public function Binding (
	propertyName : String, 
	dataSource : Object, 
	dataMember : String, 
	formattingEnabled : boolean, 
	dataSourceUpdateMode : DataSourceUpdateMode, 
	nullValue : Object



The name of the control property to bind.


An Object representing the data source.


The property or list to bind to.


true to format the displayed data; otherwise, false.


One of the DataSourceUpdateMode values.


The Object to be applied to the bound control property if the data source value is DBNull.

Exception typeCondition


The property given by propertyName does not exist on the control.


The data source or data member or control property specified are associated with another binding in the collection.

You can specify an instance of any of the following classes for the data source:

See the Binding class for more information about creating the dataMember string.

When you create a binding to a control's property, the new Binding inspects the events exposed by the bound control and attaches to two particular events:

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

.NET Compact Framework

Supported in: 2.0