SqlConnection.Database 屬性

public:
 virtual property System::String ^ Database { System::String ^ get(); };

public:
 property System::String ^ Database { System::String ^ get(); };

public override string Database { get; }

[System.Data.DataSysDescription("SqlConnection_Database")]
public string Database { get; }

member this.Database : string

[<System.Data.DataSysDescription("SqlConnection_Database")>]
member this.Database : string

Public Overrides ReadOnly Property Database As String

Public ReadOnly Property Database As String

屬性值

目前資料庫的名稱或連接開啟後要使用之資料庫的名稱。 預設值為空字串。

實作

屬性

DataSysDescriptionAttribute

範例

下列範例會建立 ， SqlConnection 並顯示其部分唯讀屬性。

private static void ChangeSqlDatabase(string connectionString)
{
    // Assumes connectionString represents a valid connection string
    // to the AdventureWorks sample database.
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();
        Console.WriteLine("ServerVersion: {0}", connection.ServerVersion);
        Console.WriteLine("Database: {0}", connection.Database);

        connection.ChangeDatabase("Northwind");
        Console.WriteLine("Database: {0}", connection.Database);
    }
}

Private Sub ChangeSqlDatabase(ByVal connectionString As String)
    ' Assumes connectionString represents a valid connection string
    ' to the AdventureWorks sample database.
    Using connection As New SqlConnection(connectionString)

        connection.Open()
        Console.WriteLine("ServerVersion: {0}", connection.ServerVersion)
        Console.WriteLine("Database: {0}", connection.Database)

        connection.ChangeDatabase("Northwind")
        Console.WriteLine("Database: {0}", connection.Database)
    End Using
End Sub

備註

屬性會 Database 動態更新。 如果您使用 Transact-SQL 語句或 ChangeDatabase 方法變更目前的資料庫，則會傳送參考訊息，並自動更新 屬性。

適用於

另請參閱

• 在 ADO.NET 中聯機到數據源
• 命令和參數
• ADO.NET 概觀 \(部分機器翻譯\)