OleDbConnection.ConnectionTimeout 屬性

定義

命名空間:

System.Data.OleDb

組件:

System.Data.OleDb.dll

套件:

System.Data.OleDb v9.0.0-rc.2.24473.5

取得在終止嘗試並產生錯誤前嘗試建立連接的等待時間 (以秒為單位)。

public:
 virtual property int ConnectionTimeout { int get(); };

public override int ConnectionTimeout { get; }

member this.ConnectionTimeout : int

Public Overrides ReadOnly Property ConnectionTimeout As Integer

屬性值

Int32

等待連接開啟的時間 (以秒為單位)。 預設值為 15 秒。

實作

ConnectionTimeout

例外狀況

ArgumentException

設定的值小於 0。

範例

下列範例會建立 ，OleDbConnection並在 連接字串 中設定其部分屬性。

// The connectionString argument contains the Connect Timeout
// keywords, as follows: "... ;Connect Timeout=30;"
public void InsertRow(string connectionString, string insertSQL)
{
    using (OleDbConnection connection = new OleDbConnection(connectionString))
    {
        // The insertSQL string contains a SQL statement that
        // inserts a new row in the source table.
        OleDbCommand command = new OleDbCommand(insertSQL);

        // Set the Connection to the new OleDbConnection.
        command.Connection = connection;

        // Open the connection and execute the insert command.
        try
        {
            connection.Open();
            command.ExecuteNonQuery();
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
        }
        // The connection is automatically closed when the
        // code exits the using block.
    }
}

' The connectionString argument contains the Connect Timeout 
' keywords, as follows: "... ;Connect Timeout=30;"
Public Sub InsertRow(ByVal connectionString As String, _
    ByVal insertSQL As String)

    Using connection As New OleDbConnection(connectionString)
        ' The insertSQL string contains a SQL statement that
        ' inserts a new row in the source table.
        Dim command As New OleDbCommand(insertSQL)

        ' Set the Connection to the new OleDbConnection.
        command.Connection = connection

        ' Open the connection and execute the insert command.
        Try
            connection.Open()
            command.ExecuteNonQuery()
        Catch ex As Exception
            Console.WriteLine(ex.Message)
        End Try
        ' The connection is automatically closed when the
        ' code exits the Using block.
    End Using
End Sub

備註

值為 0 表示沒有限制，而且應該避免在 ConnectionString 中，因為嘗試連接將會無限期等候。

另請參閱

• Database
• DataSource
• 連接到資料來源