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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 an Entity Data Model (EDM) and to connect to a data source. The EntityConnectionStringBuilder class can be used to correctly format the string.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5 SP1

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