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

Initializes a new instance of the Binding class with the specified control property to the specified data member of the specified data source. Optionally enables formatting with the specified format string; propagates values to the data source based on the specified update setting; enables formatting with the specified format string; sets the property to the specified value when a DBNull is returned from the data source; and sets the specified format provider.

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

public Binding(
	string propertyName,
	Object dataSource,
	string dataMember,
	bool formattingEnabled,
	DataSourceUpdateMode dataSourceUpdateMode,
	Object nullValue,
	string formatString,
	IFormatProvider formatInfo


Type: System.String
The name of the control property to bind.
Type: System.Object
An Object representing the data source.
Type: System.String
The property or list to bind to.
Type: System.Boolean
true to format the displayed data; otherwise, false.
Type: System.Windows.Forms.DataSourceUpdateMode
One of the DataSourceUpdateMode values.
Type: System.Object
The Object to be applied to the bound control property if the data source value is DBNull.
Type: System.String
One or more format specifier characters that indicate how a value is to be displayed.
Type: System.IFormatProvider
An implementation of IFormatProvider to override default formatting behavior.


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:

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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