ObjectContext 建構函式 (EntityConnection, String)

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使用給定的連接和實體容器名稱，初始化 ObjectContext 類別的新執行個體。

命名空間：  System.Data.Entity.Core.Objects
組件：  EntityFramework (在 EntityFramework.dll 中)

語法

'宣告
<SuppressMessageAttribute("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification := "Class is internal and methods are made virtual for testing purposes only. They cannot be overrided by user.")> _
Protected Sub New ( _
    connection As EntityConnection, _
    defaultContainerName As String _
)
'用途
Dim connection As EntityConnection 
Dim defaultContainerName As String 

Dim instance As New ObjectContext(connection, _
    defaultContainerName)

[SuppressMessageAttribute("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification = "Class is internal and methods are made virtual for testing purposes only. They cannot be overrided by user.")]
protected ObjectContext(
    EntityConnection connection,
    string defaultContainerName
)

[SuppressMessageAttribute(L"Microsoft.Usage", L"CA2214:DoNotCallOverridableMethodsInConstructors", Justification = L"Class is internal and methods are made virtual for testing purposes only. They cannot be overrided by user.")]
protected:
ObjectContext(
    EntityConnection^ connection, 
    String^ defaultContainerName
)

[<SuppressMessageAttribute("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification = "Class is internal and methods are made virtual for testing purposes only. They cannot be overrided by user.")>]
new : 
        connection:EntityConnection * 
        defaultContainerName:string -> ObjectContext

protected function ObjectContext(
    connection : EntityConnection, 
    defaultContainerName : String
)

參數

• connection
  類型：System.Data.Entity.Core.EntityClient.EntityConnection
  EntityConnection，其中包含模型的參考與資料來源連接的參考。

• defaultContainerName
  類型：System.String
  預設實體容器的名稱。 當您透過此方法設定 defaultContainerName 時，此屬性會變成唯讀的。

例外狀況

例外狀況	條件
ArgumentNullException	connection 是 null。
ArgumentException	connection、defaultContainerName 或中繼資料工作空間無效。

請參閱

參考

ObjectContext 類別

ObjectContext 多載

System.Data.Entity.Core.Objects 命名空間