SharePoint Interview Questions for Developers - Part II

Interview Questions for Developers - A four-part series.

Part 1 Part 2 Part 3 Part 4 Part 5 {new}

Q. When do you use SPSiteDataQuery ?

Ans. You can use SPSiteDataQuery when you need to extract data from more than one list\library in your site colletcion. The data is extracted on the basis of the query you write and is
returened as a Datatable. You can also specify the GUID for the lists\libraries you want to query against.

Q. How do you create a Custom action for an item in a list ?

Ans. This can be done by adding a new feature into SharePoint. You would need to use customaction tag in your elements.xml file and will have to set various properties like imageurl or UrlAction for your customaction. You can later add this feature into sharepoint using stsadm install feature command.

Q. How would you bind this CustomAction to a specific list ?

Ans. To do this you can either create a new list type(again a feature) and use the listtype number for the new list in your RegistrationType property of the Customaction. The CustomAction will then show up only for the items of this list type. or You can create a new content type and then use that content type's id in your cutsomaction to bind the custom action to items of just that content type. Add the new content type to the list where you need this customaction.


Q. How will you deploy an existing asp.net webapplication or website in SharePoint?

Ans.
You would need to wrap the web application in a solution package in order to deploy it in 12 hive or say ShraePoint. It is recommended to create a feature first, and then wrap everything in a Solution package. See example Depoly a Custom aspx Page in SharePoint


Q. How will you cancel a deployment from central admin -> solution managment, if its stuck at “deploying” or “Error”.

Ans.
You can either try to force execute timer jobs using execadmsvcjobs command or can cancel the dpeloyment using stsadm command stsadm –o cancaldeployment –id {GUID} command. The Id here would be GUID of the timer or deployment job. You can get the Id from stsadm enumdeployment command. This will display all the deployments which are process or are stuck with Error.


Q. How do make an existing non-publishing site Publishing?

Ans.
You can simply activate the SharePoint Publishing Feature for the Site, you want to make publishing.


Q. Can you name some of the tools used for SharePoint Administration?

Ans.
Tools Used for SharePoint Administration


Q. What are Application Pages in SharePoint?

Ans.
Unlike site pages (for example, default.aspx), a custom application page is deployed once per Web server and cannot be customized on a site-by-site basis. Application pages are based in the virtual _layouts directory. In addition, they are compiled into a single assembly DLL.
A good example of an Application Page is the default Site Settings page: every site has one, and it's not customizable on a per site basis (although the contents can be different for sites).
With application pages, you can also add inline code. With site pages, you cannot add inline code.



Q. What is Authentication and Authorization?

Ans .
An authentication system is how you identify yourself to the computer. The goal behind an authentication system is to verify that the user is actually who they say they are.
Once the system knows who the user is through authentication, authorization is how the system decides what the user can do.



Q. How do you deploy a User Control in SharePoint ?

Ans.
You deploy your User Control either by a Custom webpart, which will simply load the control on the page or can use tools like SmartPart, which is again a webpart to load user control on the page. User Control can be deployed using a custom solution package for the webapplication or you can also the control in the webpart solution package so that it gets deployed in _controlstemplate folder.


Q. Which is faster a WebPart or a User Control?

Ans.
A WebPart renders faster than a User Control. A User Control in SharePoint is usually loaded by a webpart which adds an overhead. User Controls however, gives you an Interface to add controls and styles.


Q. What SharePoint Databases are Created during the standard Install?

Ans. During standard install, the following databases are created :

SharePoint_AdminContent
SharePoint_Config
WWS_Search_SERVERNAME%_%GUID_3%
SharedServicesContent_%GUID_4%
SharedServices1_DB_%GUID_5%
SharedServices1_Search_DB_%
GUID_6%WSS_Content_%GUID_7%



Q. What are content types?

Ans.
A content type is a flexible and reusable WSS type definition (or we can a template) 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 leave approval document with a unique set of columns, an event handler, and its own document template and attach it with a document library/libraries.


Q. Can a content type have receivers associated with it?

Ans.
Yes, a content type can have an event receiver associated with it, either inheriting from the SPListEventReciever base class for list level events, or inheriting from the SPItemEventReciever base class. Whenever the content type is instantiated, it will be subject to the event receivers that are associated with it.


Q. Can you add a Cutsom Http Handler in SharePoint ?

Ans.
Yes, a Custom httphandler can be deployed in _layouts folder in SharePoint. Also, we need to be register the handler in the webapp's webconfig file.


Q. While creating a Web part, which is the ideal location to Initialize my new controls?
Override the CreateChildControls method to include your new controls. You can control the exact rendering of your controls by calling the .Render method in the web parts Render method.


Q. How do you return SharePoint List items using SharePoint web services?
Ans.
In order to retrieve list items from a SharePoint list through Web Services, you should use the lists.asmx web service by establishing a web reference in Visual Studio. The lists.asmx exposes the GetListItems method, which will allow the return of the full content of the list in an XML node. It will take parameters like the GUID of the name of the list you are querying against, the GUID of the view you are going to query, etc.


Q. How Do you deploy Files in 12 hive when using wspbuilder or vsewss?

Ans.
Typically, you can add these files in the 12 hive folder structure in your project. In Vsewss however, you will have to create this structure manually.

Part 1 Part 2 Part 3 Part 4

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SharePoint Definitions and Interview Questions

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