今天上午刚刚写了一篇文章其中提到WF4 的状态机最近要发布没想到这么快。
地址：http://wf.codeplex.com/releases/view/43586
WF State Machine Activity Pack CTP 1
The Microsoft WF State Machine Activity Pack CTP 1 is the first community technology preview (CTP) release of a state machine implementation based on Windows Workflow Foundation in .NET Framework 4 (WF 4). The implementation contains not only a state machine runtime but also a graphical state machine designer.
还发布了WF ADO.NET Activity Pack CTP 1
The Microsoft WF ADO.NET Activity Pack CTP 1 is the first community technology preview (CTP) release of ADO.NET activities implementation based on Windows Workflow Foundation in .NET Framework 4 (WF 4). The implementation contains a set of activities as well as designers based on ADO.NET Data Providers , which enable access to a database through SQL commands or stored procedures within a workflow.
The Microsoft WF ADO.NET Activity Pack CTP 1 includes the following three activities:
- ExecuteSqlQuery activity allows you to query a database using SQL statement or stored procedure and process the query result.
- ExecuteSqlQuery<T> activity allows you to get a collection of objects from the query result to be used in the workflow.
- ExecuteSqlNonQuery activity allows you to modify database using SQL statement or stored procedure, such as INSERT, UPDATE and DELETE.
这里有一篇介绍：http://blogs.msdn.com/flow/archive/2010/04/21/wf-state-machine-activity-pack-ctp1-released.aspx
大家快去体验吧。