ObjectContext Constructor (EntityConnection)

ObjectContext Constructor (EntityConnection)

Initializes a new instance of the ObjectContext class with the given connection. During construction, the metadata workspace is extracted from the EntityConnection object.

Namespace:  System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

new : 
        connection:EntityConnection -> ObjectContext


Type: System.Data.EntityClient.EntityConnection
An EntityConnection that contains references to the model and to the data source connection.


The connection is a null reference (Nothing in Visual Basic).


The connection is invalid.


The metadata workspace is invalid.

.NET Framework

Supported in: 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

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.

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