private void FreeHandles()
{
if (dbHandle != IntPtr.Zero)
{
short sqlRet = DB2CLIWrapper.SQLDisconnect(dbHandle);
// Note that SQLDisconnect() automatically drops any statements and
// descriptors open on the connection.
sqlRet = DB2CLIWrapper.SQLFreeHandle(DB2Constants.SQL_HANDLE_DBC, dbHandle);
dbHandle = IntPtr.Zero;
}
}