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FilterableAttribute Constructor

Initializes a new instance of the FilterableAttribute class.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)
public FilterableAttribute(
	bool filterable


Type: System.Boolean

true to indicate that the property to which the attribute is applied supports device filtering; otherwise, false.

Use this constructor to create a new instance of the FilterableAttribute class. The following table shows the initial property value for an instance of the FilterableAttribute class.


Initial Value


The value of the filterable parameter.

The following code example demonstrates how to apply a FilterableAttribute attribute to a property of a custom control. This constructor is called internally by ASP.NET to create a FilterableAttribute object that represents the attribute.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Samples.AspNet.CS.Controls
    public class SimpleCustomControl : WebControl
        private string _productID;

        // Set Filterable attribute to specify that this 
        // property does not support device filtering.
        public string ProductID
                return _productID;
                _productID = value;

.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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