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SPTechCon Dev Days SFO 2015 - Moving from SOAP to REST
The document discusses various aspects of using SOAP and REST APIs for data retrieval in SharePoint, focusing on query options, limitations, and best practices. It includes details on payload reduction, column selection, and compares various query parameters available in both methods. Live examples and additional resources are provided for further learning.
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SPTechCon Dev Days SFO 2015 - Moving from SOAP to REST
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- 11. SOAP Option (SPServices synonym) RESTComments ViewFields (CAMLViewFields) $select Choose the columns you would like to retrieve. With both SOAP and REST we get some data we don’t explicitly request, but by specifying only the columns we need we can reduce the payload sizes. Query (CAMLQuery) $filter, $orderby Specify which items in the list we would like to return and how we would like them sorted. RowLimit (CAMLRowLimit) $limit Say how many items matching the Query we would like to receive. In SOAP we can specify 0 to get all matching items; in REST we can omit the parameter to get all the matching items. Otherwise, we can specify any integer as the limit. ViewName (CAMLViewName) NA ViewName lets you choose the view you would like to get in the response. There’s no REST equivalent here. I’ve always discouraged using this option in SOAP because it’s too easy to change the view settings and cause unintended consequences. QueryOptions (CAMLQueryOptions) NA In SOAP, this lets us specify some options that change how the data is returned to us. For example, we can ask for all of the attachment URLs rather than just a Boolean which tells us that there are attachments. NA $expand This option in REST has no direct equivalent in SOAP. $expand allows us to indicate that we would like the values for a relationship - rather than just the indices - using a projection. This is important with Lookup columns and Person or Group columns.
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- 16. We’ll look atlive examples showing the different ways we can request data, along with conversion approaches.
- 17. SharePoint 2013 –CRUD on List Items Using REST Services & jQuery Get started with the SharePoint 2013 REST service Working with lists and list items with REST Use OData query operations in SharePoint REST requests OData.org
- 18. October 24/25 2015 May7/8 2016
- 19. Email marc.anderson@sympraxisconsulting.com Twitter @sympmarc Bloghttp://sympmarc.com SPServices http://spservices.codeplex.com SPXSLT http://spxslt.codeplex.com Books http://sympmarc.com/books The Middle Tier Manifesto http://bit.ly/middletier