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Sharepoint Interview Questions

  Shared By: Vikas Singh    Date: Apr 01    Category: Sharepoint    Views: 5831


What is a SharePoint Feature? What files are used to define a feature?
A SharePoint Feature is a functional component that can be activated and deactivate at various scopes throughout a SharePoint instances.
Scopes include
• Farm
• WebApplication
• Site (site collection)
• Web (site)

Features have their own receiver architecture, which allow you to trap events such as when a feature is
• installing
• uninstalling
• activated
• deactivated

The element types that can be defined by a feature include
• menu commands
• link commands
• page templates
• page instances
• list definitions
• list instances
• event handlers
• workflows

The two files that are used to define a feature are
• feature.xml
• manifest file(elements.xml)

The feature XML file defines the actual feature and will make SharePoint aware of the installed feature. The manifest file contains details about the feature such as functionality.
Common stsadm commands associated with feature are
• stsadm -o installfeature
• stsadm -o uninstallfeature
• stsadm -o activatefeature
• stsadm -o deactivatefeature

- What are content types ?
A content type is a flexible and reusable WSS type definition that defines the columns and behavior for an item in a list or a document in a document library.
For example,

-you can create a content type for a customer presentation document with a unique set of columns, an event handler, and its own document template.

-You can create a second content type for a customer proposal document with a different set of columns, a workflow, and a different document template.
Then you can attach both the contenttypes to a document library, which allows you to capture metadata based on the contenttype selected during creation of the document.

Content type can be created by the following
• from the rootweb of a site collection, go to Site Action > Site Settings > Galleries > Site content types
• using a feature

5. Workflow can be applied to what all elements of SharePoint ?
While workflow associations are often created directly on lists and document libraries, a workflow association can also be created on a content type that exists within the Content Type Gallery for the current site or content types defined within a list.
In short, it can be applied ...
• At the level of a list (or document library)
• At the level of a content type defined at site scope
• At the level of a site ( Sharepoint 2010 )

- What are the ways to initiate the workflow ?
• Automatic (on item added or item deleted)
• Manual (standard WSS UI interface)
• Manual (Custom UI Interface)
• Programatically through custom code

7. What are the types of input forms that can be created for a workflow ?
You can create four different types of input forms including an association form, an initiation form, a modification form, and a task edit form. Note that these forms are optional when you create a workflow template.

8. What are ways to create input forms for workflow ?
Two different approaches can be used to develop custom input forms for a WSS workflow template.
• You can create your forms by using custom application pages, which are standard .aspx pages deployed to run out of the _layouts directory. ( disadv: lot of code required when compared to Infopath approach)
• using Microsoft Office InfoPath 2007 (disadv: picks up a dependenct on MOSS, i.e. it cannot run in a standalone WSS environment)

9. What is the difference between method activity and event activity in WF ?
A method activity is one that performs an action, such as creating or updating a task. An event activity is one that runs in response to an action occurring.

10. What does SPWeb.EnsureUser method do?
Checks whether the specified login name belongs to a valid user of the Web site, and if the login name does not already exist, adds it to the Web site. e.g SPUser usr = myWeb.EnsureUser("mmangaldas");

11. While creating a Webpart, which is the ideal location to Initialize my new controls ?
Override the CreateChildControls method to include your new controls. To make sure that the new controls are initialized.. call 'EnsureChildControls' in the webparts Render method. You can control the exact Rendering of your controls by calling the .Render method in the webparts Render method.

12. How to query from multiple lists ?
Use SPSiteDataQuery to fetch data from multiple lists. more details..

13.How Does SharePoint work?
The browser sends a DAV packet to IIS asking to perform a document check in. PKMDASL.DLL, an ISAPI DLL, parses the packet and sees that it has the proprietary INVOKE command. Because of the existence of this command, the packet is passed off to msdmserv.exe, who in turn processes the packet and uses EXOLEDB to access the WSS, perform the operation and send the results back to the user in the form of XML.

14. What is the difference between Syncronous & Asyncronous events?
Syncronous calls ending with 'ing' E.g. ItemDeleting Event Handler code execute BEFORE action is committed WSS waits for code to return Option to cancel and return error code
Asyncronous calls ending with 'ed' E.g. ItemDeleted Event Handler code executes AFTER action is committed WSS does not wait for code to return Executed in its own Worker thread.

15. What is ServerUpdate() ?
Any changes in the list, i.e. new addition or modification of an item.. the operation is complete by calling the Update method.But if a List is set to maintain versions .. and you are editing an item, but don't want to save it as a new version, then use the SystemUpdate method instead and pass in 'false' as the parameter.

16. What is query.ViewAttributes OR How can you force SPQuery to return results from all the folders of the list?
If you use SPQuery on any SPlist .. it will bring back results from the current folder only. If you want to get results from all the folders in the list.. then you need to specify the scope of the query by the use of ViewAttributes..
e.g. query.ViewAttributes = "Scope=\"Recursive\"";

What are the two base classes a WebPart you are going to use within SharePoint 2007 can inherit from?
There are two base classes that a WebPart which is going to be consumed by SharePoint can inherit from, either the SharePoint WebPart Base class or the ASP.NET 2.0 WebPart base class. When inheriting from the SharePoint WebPart Base class your derived WebPart class will inherit from Microsoft.SharePoint.WebPartPages.WebPart. When inheriting from the ASP.NET 2.0 WebPart base class your derived WebPart class will inherit from System.Web.UI.WebControls.WebParts.WebPart. It is considered good practice to use the ASP.NET WebPart base class since the old base class is meant for backwards compatibility with previous version of SharePoint, however there are four exception when it is better to leverage functionality from the SharePoint WebPart base class:
• Cross page connections
• Connections between Web Parts that are outside of a Web Part zone
• Client-side connections (Web Part Page Services Component)
• Data caching infrastructure

- What are the differences between the two base classes and what are the inherit benefits of using one over another?
The difference is the Microsoft.SharePoint.WebPartPages.WebPart base class is meant for backward compatibility with previous versions of SharePoint. The benefit of using the SharePoint WebPart base class is it supported:
• Cross page connections
• Connections between Web Parts that are outside of a Web Part zone
• Client-side connections (Web Part Page Services Component)
• Data caching infrastructure
ASP.NET 2.0 WebParts are generally considered better to use because SharePoint is built upon the ASP.NET 2.0 web architecture. Inheriting from the ASP.NET 2.0 base class offers you features that inherit to ASP.NET 2.0, such as embedding resources as opposed to use ClassResources for deployment of said types.

- What is the GAC?
The GAC stands for the global assembly cache. It is the machine wide code cache which will give custom binaries place into the full trust code group for SharePoint. Certain SharePoint assets, such as Feature Receivers need full trust to run correctly, and therefore are put into the GAC. You should always try to avoid deployment to the GAC as much as possible since it will possibly allow development code to do more than it was intended to do.


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