HtmlControlDesigner.Expressions Property

Gets the expression bindings for the current control at design time.

Namespace:  System.Web.UI.Design
Assembly:  System.Design (in System.Design.dll)

public ExpressionBindingCollection Expressions { get; }

Property Value

Type: System.Web.UI.ExpressionBindingCollection
An ExpressionBindingCollection that contains the expressions strings set for properties in the current control.

The design host, such as Visual Studio 2005, uses the ExpressionBuilder class to get the ExpressionEditor class to get the ExpressionEditorSheet to set expressions for control properties at design time. Expression strings reference a localizable resource, an application setting, a connection string, or a custom expression type.

The Expressions collection contains an ExpressionBinding element for each control property that has an associated expression string. Each ExpressionPrefix property for each element indicates the associated expression builder implementation. The expression string is parsed and evaluated by its associated ExpressionBuilder to determine the control property value at run time.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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