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RouteValueDictionary Constructor (IDictionary<String, Object>)

Initializes a new instance of the RouteValueDictionary class and adds elements from the specified collection.

Namespace:  System.Web.Routing
Assembly:  System.Web (in System.Web.dll)

public RouteValueDictionary(
	IDictionary<string, Object> dictionary


Type: System.Collections.Generic.IDictionary<String, Object>
A collection whose elements are copied to the new collection.


dictionary is null.


dictionary contains one or more duplicate keys.

Every key in a RouteValueDictionary object must be unique. The RouteValueDictionary class uses case-insensitive ordinal comparison. For more information, see OrdinalIgnoreCase. A key cannot be null.

.NET Framework

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.