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Remove custom properties/metadata for an Office document [javascript]

I have this document library on Sharepoint where I have one custom column called Metadata and that is a lookup to another list on my Sharepoint. When the users download an Office document from this library and then re-upload it we could have the below error message: There is at least one lookup column that […]

How to delete a document locked by another user in Sharepoint using JavaScript

When you open a file from Sharepoint, it will receive a short term lock that will prevent others to change some properties on the file. This protection can be useful, but also very annoying, for example when the file is not closed properly, then the lock could stay « forever ». There are many posts on the […]

How to drag and drop a file into a dropzone in HTML5

We can find plenty of demo and tutorials about it on the web, but it took me a while to understand how to setup something easy and quick. The purpose is to have a zone where we can drop a file from our computer. You need: A zone where the file will be dropped (for […]

Overwrite the Created field for a Sharepoint list item

Sharepoint provides automatic fields, like « Created » that contains the creation date of a list item. It’s a readonly field. You could use a webservice to change the ReadOnly property in order to overwrite its value. Using SharepointPlus the code is: // don’t change the below information // the details about this field are found using […]

Classic ASP to get a remote page with NTLM authenticate

It’s very frustrating to have to work with ASP again, after so many years… I wanted to use an ASP page to get a remote page. However I needed to pass some NTLM authenticate to it. After a few searches I found this solution: <% ‘ I want this page to be accessible for Cross […]

Sharepoint WopiFrame allow framing

In Sharepoint you can use <WebPartPages:AllowFraming runat= »server » /> to disable the SAMEORIGIN for X-FRAME-OPTION giving you the opportunity to call your page from an iframe (see this other article). However you cannot use the same trick to preview a file into the browser with WopiFrame.aspx. But there is a way to do it, using the […]

Change a « Choice with Fill-In » field into a magic dropdown [Sharepoint]

Sometimes you want to modify the options for a dropdown box by removing some existing options, however you want to be able to keep these old values for reporting or whatever reasons. Below is a way to do it by using jQuery and SharepointPlus. It will hide the « Specify your own value » stuff, and add […]

Trigger an event when a file is uploaded on Sharepoint 2013 by drag and drop

If you want to trigger an event after a drag&drop a file for an upload operation on Sharepoint, then you’ll have to add some JavaScript into your page. // we need to make sure sp.core.js is loaded SP.SOD.executeOrDelayUntilScriptLoaded(function() { window.UploadFinishFunc=function(b, a) { typeof g_currentControl.postUploadFunc == « function » && a.status != UploadStatus.CANCELLED && g_currentControl.postUploadFunc(a.files); a.status != UploadStatus.CANCELLED […]

Adding a custom action to a callout in SharePoint 2013

This article has been VERY useful. But I wanted something lightly different: I wanted to add a custom action, but also have the « EDIT » button (but not the « SHARE »), and to use the current item info for my custom action. Here is the result: // source: https://www.eliostruyf.com/adding-a-custom-action-to-a-callout-in-sharepoint-2013/ // add a special callout action for our […]