当我们 在为SQL Azure数据库编写应用程序时，我们使用SQL Server 2008 R2 Native Client ODBC驱动程序或SQL Server 2008 Native Client ODBC驱动程序，但这个驱动程序功能较少，可能这是您的问题，

When we  writing applications for SQL Azure Database, we use SQL Server 2008 R2 Native Client ODBC driver or SQL Server 2008 Native Client ODBC driver, but this one has less functionality and may be this is your problem,