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Forms - Based Authentication
While it is possible to change a newly created SharePoint site collection to use FBA instead of Windows authentication, it is usually a better idea to extend a new Web application from an existing one and configure the new Web application for FBA, leaving the original one set to Windows authentication. There are numerous reasons for this, one being that SharePoint ’ s search uses NTLM (Windows authentication) to authenticate and crawl the site when indexing the content. In the following example, this is the model that is used.
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SharePoint Group
SharePoint allows permission levels to be applied to site users as well as security groups, such as Active Directory groups, that have been added to the site. However, this is not the recommended approach. Rather, Microsoft recommends that site owners and administrators assign permission levels to SharePoint groups and then add site users and security groups to the SharePoint groups.
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xxx Approval and Approval Status in list
After a list is enabled "Content Approval", the list has approval status field shows up in the default view. This is system field just like modified, modified by. It has nothing to do with workflow.
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WCF transport-level session
All bindings support configuring the contract on the endpoint with SessionMode.Allowed. The SessionMode property does not refer to the instancing mode, but rather to the presence of a transport-level session (or its emulation in the case of the WS bindings). As its name implies, when the SessionMode property is configured with SessionMode.Allowed, it merely allows transport sessions, but does not enforce it. The exact resulting behavior is a product of the service configuration and the binding used. If the service is configured for per-call, it still behaves as per-call service. When the service is configured for a per-session service, it will behave as a per-session service only if the binding used maintains a transport-level session. For example, the BasicHttpBinding can never have a transport-level session due to the connectionless nature of the HTTP protocol. The WSHttpBinding without security and without reliable messaging will also not maintain a transport-level session. In both of these cases, even though the service is configured with InstanceContextMode.PerSession and the contract with SessionMode.Allowed, the service will behave as a per-call service, and the calls to Dispose() are asynchronous; that is, the client is not blocked after the call while WCF disposes of the instance.
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WF Dependency Property snippet is just three letters!