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Delete Attachment From List Item in SharePoint using REST API

The example in this topic show how to use REST API to Delete Attachment From List Item in SharePoint
  • REST-API is based on OData (Open Data) Protocol and hence it doesn't require any dll or JS library to run the commands on the SharePoint objects.
  • REST-API calls require proper end-point URL and proper Header implementation in your REST call.

How to use SharePoint REST API?

  • Note: This is just a sample, you can go ahead with your implementation.
  • You can also use this method in your SPFx Component.
  • Open your Site. Create a webpart page.
  • Put a Content Editor Web part and a Script Editor Web part on it.
  • Webpart page content editor and scipt editor
  • I have added below Html in Content Editor webpart. You can replace MainFunction with your actual method name.

    <button onclick="MainFunction();" type="button">Click me​</button>

  • And below references in Script Editor Webpart. ScriptFile.js is a JavaScript file where you can keep below function i.e. your actual logic.

    <script src="https://MyServer/sites/SiteCollection/style library/js/ScriptFile.js"></script>

  • Once you are done with setting your page, click on the button and your method should get executed.

  • function DeleteListItemAttachment() {
  •     // Specify the Id of the Item that you want to fetch
  •     var Itemid = 1;
  •  
  •     // Specify the Name of the document(attachment) that you want to delete
  •     var ItemAttachmentName = 'Document.docx';
  •  
  •     $.ajax
  •         ({
  •             // _spPageContextInfo.webAbsoluteUrl - will give absolute URL of the site where you are running the code.
  •             // You can replace this with other site URL where you want to apply the function
  •  
  •             url: _spPageContextInfo.webAbsoluteUrl + "/_api/web/lists/getByTitle('List Name')/items(" + Itemid + ")/AttachmentFiles('"+ ItemAttachmentName +"')",
  •             method: "DELETE",
  •             headers:
  •                {
  •                    // X-RequestDigest header: When you send a POST request, it must include the form digest value in X-RequestDigest header
  •                    "X-RequestDigest": $('#__REQUESTDIGEST').val(),
  •  
  •                    "X-HTTP-Method": "DELETE",
  •  
  •                    // Accept header: Specifies the format for response data from the server.
  •                    "Accept": "application/json;odata=verbose"
  •                },
  •             success: function (data, status, xhr) {
  •                 console.log('Item attachment deleted ');
  •             },
  •             error: function (xhr, status, error) {
  •                 console.log("Failed");
  •             }
  •         });
  • }

Thank you for reading this article. This code was tested in SharePoint 2013

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