VerifyConnection Method
В будущей версии Microsoft SQL Server эта возможность будет удалена. Избегайте использования этой возможности в новых разработках и запланируйте изменение существующих приложений, в которых она применяется.
The VerifyConnection method tests the connection used by the SQLServer object.
Синтаксис
object.VerifyConnection( [ ReconnectIfDead ] )asBoolean
Parts
object
Expression that evaluates to an object in the Applies To list.ReconnectIfDead
Long integer that controls method behavior as described in Settings.
Prototype (C/C++)
HRESULT VerifyConnection(
LPBOOL pRetVal,
SQLDMO_VERIFYCONN_TYPE VerifyType = SQLDMOConn_ReconnectIfDead);
Settings
Constant |
Value |
Description |
|---|---|---|
SQLDMOConn_CurrentState |
2 |
Return TRUE if connected. |
SQLDMOConn_LastState |
1 |
Return TRUE if connected on last call and still connected, or not connected on last call and still not connected. |
SQLDMOConn_/ReconnectIfDead |
6 |
Default. Attempt to reconnect the SQLServer object if the object has been connected and has lost its connection. Return TRUE if connection exists. |
Returns
TRUE or FALSE as described in Settings.