如何从.NET应用程序创建全文搜索索引或目录？

I am trying to deploy a full text search solution with SQL Server 2008 R2 and Orchard CMS with multi-tenancy configuration. Each tenant has its own database. We are using automatic data migrations to manage database schema changes. I would like to create a full text catalog and index using migrations. However I get following error:I am trying to deploy a full text search soluti