How to register a new docicon/progid using CSOM/SharePoint Client object model

I know how to register a new file-type icon in SharePoint 2013 by modifying docicon.xml,
but is it possible via any sort of web-based API? Specifically I'm trying to do it for a SharePoint Online/office 365 site.

Hi Dylan,
For SharePoint Online, the docicon.xml is stored in the SharePoint online Server and there is no such Web API could modify the xml file directly, so there is no easy way to achieve it.
As a workaround, you can add some JavaScript and Jquery in the master page to modify the file type icon to the new one.
<script>
var IMGs = document.getElementsByTagName("IMG")
for (var i=0; i<IMGs.length; i++)
var alt=IMGs[i].alt;
if (alt.substring(alt.length-4,alt.length)==".pdf")
IMGs[i].src="/yourlibrary/yourimage.gif";
</script>
Here is a similar thread for your reference:
https://social.technet.microsoft.com/forums/msonline/en-US/bf5ff648-eefb-4084-8204-9519efaf50e7/modifying-dociconxml-on-sharepoint-online
Best Regards
Forum Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
[email protected]
Zhengyu Guo
TechNet Community Support

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Thanks,
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Hello,
As a workaround you can pass admin credential in your code because as per my knowledge contributor can't update default columns like: created by, modified by, modified, created.
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Hemendra:Yesterday is just a memory,Tomorrow we may never see
Please remember to mark the replies as answers if they help and unmark them if they provide no help

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How to get all previous versions page contents of a publishing page using SharePoint Client Object Model 2010

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Hi Osmita,
Greetings.
Here are the links that helps you. It has code attached to it.
http://social.technet.microsoft.com/Forums/sharepoint/en-US/a0d2ab40-99ba-4368-8505-1dc559ef6469/get-content-of-previous-version-of-page-sharepoint-2010?forum=sharepointgeneralprevious
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Hi,
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How to delete a custom columns from a content-type in Sharepoint Client object model

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hi,
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Whenever you see a reply and if you think is helpful,Vote As Helpful! And whenever you see a reply being an answer to the question of the thread, click Mark As Answer

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Using the SystemUpdate method should do the trick, according
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public static class SPListItemExtensions
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Steven Andrews
SharePoint Business Analyst: LiveNation Entertainment
Blog: baron72.wordpress.com
Twitter: Follow @backpackerd00d
My Wiki Articles:
CodePlex Corner Series
Please remember to mark your question as "answered" if this solves (or helps) your problem.

CAML Query to get specific item in folder based on dropdown value using Javascript client object model

Hi,
I am using the Javascript Client object model.
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1) Load a dropdown with the custom list.
2) set the image based on the value in dropdown.
I have achieved the first option, I have set the dropdown, but not sure how to query the folder and set the image.
Below is the code i have used so far:
//In Visual webpart
<select id="ddlTest" >
</select>
<br/>
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<img id="imgPlaceHolder" runat="server" alt="Image" title="imgPlaceHolder" src=" " />
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var dropdownValue = currentItem.get_item("dlValue");
ddlTest.options[ddlTest.options.length] = new Option(currentItem.get_item("dlName"), dropdownValue);
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Thanks

Hi,
Here are two links for your reference:
Example of how to Get Files from a Folder using Ecmascript \ Javascript client object model in SharePoint 2010
http://sharepointmantra.wordpress.com/2013/10/19/example-of-how-to-get-files-from-a-folder-using-ecmascript-javascript-client-object-model-in-sharepoint-2010/
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http://sharepoint.stackexchange.com/questions/70185/sp2010-jsom-client-object-model-how-to-get-all-documents-in-libraries-including
In SharePoint 2013, we can also use REST API to achieve it.
http://msdn.microsoft.com/en-us/magazine/dn198245.aspx
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Dennis Guo
TechNet Community Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
[email protected]
Dennis Guo
TechNet Community Support

What is the easy way to update Managed Metadata field multi select values using client object model C#?

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Anuradha!!

Hi,
Here are two blog for your reference:
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Dennis Guo
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How to execute XML batch commands using SharePoint Web services or Client Object Model

Hi,
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<SetVar Name="Cmd">UpdateView</SetVar>
<SetList Scope="Request">{GUID of List}</SetList>
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Fetching file size using CAML query in Javascript client object model

Hi,
I am using the Javascript client object model to retrieve contents of a document library.
I have a document library, which contains a folder "Folder1" . "Folder1" has a zip file. I would like to get the file size of the zip file.
I have tried the below code, but not sure, how to fetch the file size.
function FetchImage() {
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clientcontext.executeQueryAsync(Function.createDelegate(this, this.RenderDataOnSuccess), Function.createDelegate(this, this.RenderDataOnFailure));
function RenderDataOnSuccess() {
var ListEnumerator = this.folder.getEnumerator();
while (ListEnumerator.moveNext()) {
var currentItem = ListEnumerator.get_current();
if (_contentType.get_name() != "Folder") {
var File = currentItem.get_file();
if (File != null) {
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How to fetch the file size?
Thanks

<script>
function getSize()
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        var thefile = myFSO.getFile(filepath);
        var size = thefile.size;
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</script>
http://social.msdn.microsoft.com/Forums/en-US/e5d2ff3d-01c7-4cc0-a081-29a4dfbb0fad/getting-the-sharepoint-list-attachment-size-using-javascript?forum=sharepointcustomizationlegacy

Get current item id using JavaScript Client Object Model

I have a client query that query SharePoint list Items. Lets say it is a document library. I need to get the list item id of each.
I can query the Title of the document using this syntax.
ctx.CurrentItem['Title']
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ctx.CurrentItem['ID']
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Hi Malin,
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<script>
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clientContext.load(items);
clientContext.executeQueryAsync(Function.createDelegate(this,function(){
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arrIds.push(itemId);
alert(arrIds);
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},"SP.js");
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Assign Group permission to list item using client object model

Hi,
I am trying to add the list item and assign the permission to the list item by using SP 2010 client object model. The problem which i am facing that when i assign the group as a permission to the item, by automatically the limited access permission
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item.BreakRoleInheritance(true, false);
_clientContext.Load(item.RoleAssignments);
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_clientContext.ExecuteQuery();
Step 2: Remove all permissions of the list item.
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assignment.RoleDefinitionBindings.RemoveAll();
assignment.Update();
_clientContext.ExecuteQuery();
Step 3:
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var role = _web.RoleDefinitions.GetByType(RoleType.Contributor);
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_clientContext.ExecuteQuery();
After adding the group successfully to the list item, i checked the group permission and it contains the value as "Contribute,Limited Access" to the site level and "Contribute" to the list item. Please guide me how to avoid to create Contribute,Limited
Access role.
Balaji

Hi Dmitry,
When I create the group and assign contribute permission, the group has the permission at the site level(to see the permission, click group and click view Group Permission). I have added the list item and break the role inheritance permission
and given the unique permission by providing group as a permission to the list item. After providing the permission, the group permission at the site level changed to "Contribute, Limited Access". I dont know how contribute permission changed to contribute,
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I found the workaround to fix this issue. I created the group and create the folder in the shared document library by using client object model. Due to facing some issue by providing the permission using client object model, i have created the event receiver
to the document library and using server object model, i can able to assign the approprate group permission.
Balaji

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