SqlClientFactory.CreateConnection 方法

定義

命名空間:

System.Data.SqlClient

組件:

System.Data.dll

套件:

System.Data.SqlClient v4.8.6

傳回強型別的 DbConnection 執行個體。

public:
 override System::Data::Common::DbConnection ^ CreateConnection();

public override System.Data.Common.DbConnection CreateConnection ();

override this.CreateConnection : unit -> System.Data.Common.DbConnection

Public Overrides Function CreateConnection () As DbConnection

傳回

DbConnection

DbConnection 的新強型別執行個體。

範例

下列代碼段會傳回強型別 DbConnection 實例：

Dim newFactory As SqlClientFactory = SqlClientFactory.Instance
Dim cmd As DbConnection = newFactory.CreateConnection()

SqlClientFactory newFactory = SqlClientFactory.Instance;
DbConnection cmd = newFactory.CreateConnection();

另請參閱

• ADO.NET 概觀 \(部分機器翻譯\)