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GridViewDesigner.UsePreviewControl Property

Gets a value indicating whether the designer should use a temporary copy rather than the actual control associated with the designer to generate the design-time markup.

Namespace:  System.Web.UI.Design.WebControls
Assembly:  System.Design (in System.Design.dll)
protected override bool UsePreviewControl { get; }

Property Value

Type: System.Boolean
Always true.

Because the UsePreviewControl property is always true, the designer uses a View control that contains a copy of the associated GridView control to generate the design-time markup. The View control does not affect any persistence for the GridView.

If the UsePreviewControl property has been overridden to return false, the designer will use the associated GridView itself to generate the design-time markup, and design-time changes to the control will persist to the page markup source.

Notes to Inheritors

You can override the UsePreviewControl property to return false or to determine its value based on whether the control is marked with a class-level SupportsPreviewControlAttribute object. If the UsePreviewControl is not overridden, the GridView ignores the SupportsPreviewControlAttribute.

.NET Framework

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

Windows Phone 8.1, Windows Phone 8, 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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