VerifyConnection Method
Diese Funktion wird in zukünftigen Versionen von Microsoft SQL Server nicht mehr bereitgestellt. Verwenden Sie diese Funktion beim Entwickeln neuer Anwendungen nicht, und planen Sie das Ändern von Anwendungen, in denen es zurzeit verwendet wird.
The VerifyConnection method tests the connection used by the SQLServer object.
Syntax
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.