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Thursday 4 August 2011

SharePoint Interview Questions and Answers 3

00:10
31. What are WebPart properties, and what are some of the attributes you see when declaring WebPart properties in code?
WebPart properties are just like ASP.NET control properties, they are used to interact with and specify attributes that should be applied to a WebPart by a user. Some of the attributes you see with ASP.NET 2.0 properties are WebDescription, WebDisplayName, Category, Personalizable, and WebBrowsable. Although most of these properties come from the System.Web.UI.WebControls.WebParts class, ones like Category come out of System.ComponentModel namespace.

32. Why are properties important in WebPart development, and how have you  exploited them in past development projects? What must each custom property have?
Properties are important because WebParts allow levels of personalization for each user. WebPart properties make it possible for a user to interact, adjust, and increase overall experience value with the programmaticassets that you develop without having the need to use an external editor or right any code. A very simple example of exploiting a property would be something like allowing the user to change the text on the WebPart design interface so that they can display whatever string of text they desire. Each custom property that you have must have the appropriate get and set accessor methods.

33. What are ClassResources? How do you reference and deploy resources with an ASP.NET 2.0 WebPart?
ClassResources are used when inheriting from the SharePoint.WebPart.WebPartPages.WebPart base class, and are defined in the SharePoint solution file as things that should be stored in the wpresources directory on the server. It is a helpful directory to use in order to deploy custom images. In ASP.NET 2.0, typically things such as images are referenced by embedding them as resources within an assembly. The good part about ClassResources is they can help to eliminate recompiles to change small interface adjustments or alterations to external JavaScript files.

34. What is a SharePoint Solution File? How does it differ from WebPart .cab files in legacy development? What does it contain?
A SharePoint solution file is essentially a .cabinet file with all a developers custom components suffixed with a .wsp extension that aids in deployment. The big difference with SharePoint solution files is is that a solution: allows deployment to all WFE’s in a farm is highly manageable from the interface allowing deployment, retraction, and versioning Can package all types of assets like site definitions, feature definitions (and associated components), WebParts, etc. Can provide Code Access Security provisioning to avoid GAC deployments And much more..

35. What is a .ddf file and what does it have to do with SharePoint Solution creation?
A .ddf file is a data directive file and is used when building the SharePoint solution bundle specifying the source files and their destination locations. The important thing for someone to understand is that the .ddf file will be passed as a parameter to the MAKECAB utility to orchestrate construction of the SharePoint solution file.

36. What file does a SharePoint solution package use to orchestrate (describe) its packaged contents?
The solution Manifest.XML file.

37. What deployment mechanism can you use to instigate Code Access Security attributes for your WebParts?
SharePoint solution files can add in order to handle code access security deployment issues. This is done in the element in the SharePoint solution manifest.XML, which makes it easier to get assemblies the appropriate permissions in order to operate in the bin directory of the web application.

38. What are event receivers?
Event receivers are classes that inherit from the SpItemEventReciever or SPListEventReciever base class (both of which derive out of the abstract base class SPEventRecieverBase), and provide the option of responding to events as they occur within SharePoint, such as adding an item or deleting an item.

39. When would you use an event receiver?
Since event receivers respond to events, you could use a receiver for something as simple as canceling an action, such as deleting a document library by using the Cancel property. This would essentially prevent users from deleting any documents if you wanted to maintain retention of stored data.

40. What base class do event receivers inherit from?
Event receivers either inherit from the SPListEventReciever base class or the ItemEventReciever base class, both which derive from the abstract base class SPEventReceiverBase.

41. If I wanted to not allow people to delete documents from a document library, how would I go about it?
You would on the ItemDeleting event set: properties.Cancel= true.

42. What is the difference between an asynchronous and synchronous event receivers?
An asynchronous event occurs after an action has taken place, and a synchronous event occurs before an action has take place. For example, an asynchronous event is ItemAdded, and its sister synchronous event is ItemAdding.

43. What is Microsoft Windows SharePoint Services? How is it related to Microsoft Office SharePoint Server 2007?
Windows SharePoint Services is the solution that enables you to create Web sites for information sharing and document collaboration.Windows SharePoint Services
-- a key piece of the information worker infrastructure delivered in Microsoft Windows Server 2003
-- provides additional functionality to the Microsoft Office system and other desktop applications, and it serves as a platform for application development.
Office SharePoint Server 2007 builds on top of Windows SharePoint Services 3.0 to provide additional capabilities including collaboration, portal, search, enterprise content management, business process and forms, and business intelligence.

44. What is Microsoft SharePoint Portal Server?
SharePoint Portal Server is a portal server that connects people, teams, and knowledge across business processes. SharePoint Portal Server integrates information from various systems into one secure solution through single sign-on and enterprise application integration capabilities. It provides flexible deployment and management tools, and facilitates end-to-end collaboration through data aggregation, organization, and searching. SharePoint Portal Server also enables users to quickly find relevant information through customization and personalization of portal content and layout as well as through audience targeting.

45. What is Microsoft Windows Services?
Microsoft Windows Services is the engine that allows administrators to create Web sites for information sharing and document collaboration. Windows SharePoint Services provides additional functionality to the Microsoft Office System and other desktop applications, as well as serving as a plat form for application development. SharePoint sites provide communities for team collaboration, enabling users to work together on documents, tasks, and projects. The environment for easy and flexible deployment, administration, and application development.



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