Top most typical: Yahoo's processing method, very easy to use
Another one is: Hipergate
There is also an ASP.NET control
The schedule is displayed in the OA system to do what should be done in the Web?
Workflow designer: Demo file: http://www.digitalChina.com/flow.exe This effect does not require a client to put any plug-ins! The company and contact QQ: 880717 [cheap]
You can also search on SourceForge.net: Dynapi
