Verifies if the last value read was a null value.
public boolean wasNull()
傳回值
true if the last value read was null. Otherwise, false.
例外狀況
備註
This wasNull method is specified by the wasNull method in the java.sql.ResultSet interface.
Verifies if the last value read was a null value.
public boolean wasNull()
true if the last value read was null. Otherwise, false.
This wasNull method is specified by the wasNull method in the java.sql.ResultSet interface.