SqlClientFactory.CreateConnection 方法

定义

命名空间:

System.Data.SqlClient

程序集:

System.Data.dll

返回强类型 DbConnection 实例。

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

返回

DbConnection

一个新的强类型实例 DbConnection。

示例

以下代码片段返回强类型 DbConnection 实例：

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

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

另请参阅

• ADO.NET 概述