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ObjectContext Constructor (String, String)

Initializes a new instance of the ObjectContext class with a given connection string and entity container name.

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

protected ObjectContext(
	string connectionString,
	string defaultContainerName
)

Parameters

connectionString
Type: System.String

The connection string, which also provides access to the metadata information.

defaultContainerName
Type: System.String

The name of the default entity container. When the defaultContainerName is set through this method, the property becomes read-only.

ExceptionCondition
ArgumentNullException

The connectionString is null.

ArgumentException

The connectionString, defaultContainerName, or metadata workspace is not valid.

The connectionString is a string that contains information that is required to access a conceptual model and to connect to a data source. The EntityConnectionStringBuilder class can be used to correctly format the string.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

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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