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REST operations in SharePoint 2013

REST operations are essential in any SharePoint development. This series explain available REST endpoints in SharePoint 2013. First article shows how we can made a REST call in both SharePoint Hosted and Provider Hosted app.

Executing a REST GET call from SharePoint Provider Hosted App

First you need to refer related JavaScript related.

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script type="text/javascript" src="#SPWeb/_layouts/15/MicrosoftAjax.js"></script>
<script type="text/javascript" src="#SPWeb/_layouts/1033/init.js"></script>
<script type="text/javascript" src="#SPWeb/_layouts/15/sp.core.js"></script>
<script type="text/javascript" src="#SPHost/_layouts/15/SP.RequestExecutor.js"></script>
<script type="text/javascript" src="#SPWeb/_layouts/15/sp.js"></script>


You need to replace the #SPWeb from Appweb Url and #SPHost from Host web Url. App Web Url and Host Web Url is available in Url.



You can find these parameters as QueryString and available in SPAppWebUrl, SPHostUrl.



You need to specify the AppWebUrlUrl in the method below. If you are good at jQuery you can change the method by introducing Deferred Object.




 

function getREST(url,success,fail){
 
  // specify your web app url here
  // EX- https://oapp.sharepoint.com/sites/AWM/ArtWorkManagement
  var AppWebUrlUrl = "";  
  var executor = new SP.RequestExecutor(AppWebUrlUrl);
 
  executor.executeAsync(
       {
           url: AppWebUrlUrl + url,
           method: "GET", 
           contentType: "application/json;odata=verbose",
           headers: { "Accept": "application/json; odata=verbose" },
           success: function (data) {
               if(success){success(data);} // call the function if done
           },
           error: function (data, errorCode, errorMessage) {
               if(fail){fail(data);} // call the function if done
           }
       }
);
}


Executing a REST GET call from SharePoint Hosted App



You need to specify the AppWebUrlUrl in the method below.




 

function getREST(url,success,fail){
 
  // specify your web app url here
  // EX- https://oapp.sharepoint.com/sites/AWM/ArtWorkManagement
  var AppWebUrlUrl = "";  
 
    $.ajax({
            method: "GET",
            url: AppWebUrlUrl + url,
            success: function (data) {
                if(success){success(data);} // call the function if done
 
            },
            error: function (data) {
                if(fail){fail(data);} // call the function if done
            }
        });
 }


Calling the Function




 

function done(data){
  // success
}
 
function error(){
    // Error
}
 
var restUrl = "" // Your URL goes here
getREST(restUrl,done,error);
 
 
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