Is there a way to get the timestamp of the latest post in C#/.net? I am writing a control in ASP.NET for a intranet, which will alert users when a new post is posted in a wordpress blog.
You could use the wp.getPosts XML RPC API : http://codex.wordpress.org/XML-RPC_WordPress_API/Posts#wp.getPosts
There's an implementation of it on the JoeBlogs wrapper API
By default, the come back in date order, newest first.
You can also specify 'Fields' to limit the fields coming back.
(This is not yet supported in JoeBlogs)