Enabling The Developer Site Collection Feature SharePoint Online Office 365 -CSOM

This blog will help you to enable the development feature in SharePoint 2013, using Client Object Model.

In SharePoint 2013, we have a new site template called Developer Site Template. It is a site template, which is used extensively for an app development and you can only deploy apps for SharePoint to a Developer Site.

I have a scenario, where I need to enable the developer Site Collection feature for an existing Site Collection. It may be a team site or publishing site. There isn't a button in Site Collection features to allow you to enable this.

If you were using SharePoint 2013 On-Premises, you’d just run Enable-SPFeature given below.

1. Enable-SPFeature e374875e-06b6-11e0-b0fa-57f5dfd72085 –url http://gowthamr.sharepoint.com

With SharePoint Online, we can't do this directly, so I have created a simple method to solve this. We can run this script in our Internet Browser console.

We have already seen how to activate the developer site feature, using JSOM. Now, we are going to use CSOM method.

• FeatureDefinitionScope Enumeration.
• public enum FeatureDefinitionScope. 

Member name description

None- The feature scope is not specified. The value = 0.

Farm Enumeration, whose values specify that the feature scope has to be at the Farm level. The value = 1.

Site Enumeration, whose values specify that the feature scope has to be at the Site Collection level. The value = 2.

Source code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.SharePoint.Client;

namespace O365SPAddUsertoRole
{
    class Program
    {


     private class Configuration
        {
                public static string ServiceSiteUrl = "https:// https://gowthamr.sharepoint.com";
                public static string ServiceUserName = "[email protected]";
                public static string ServicePassword = "xxxxxxxxxx";
        }

                 static ClientContext GetonlineContext()
                          {
                                    var securePassword = new SecureString();
                                    foreach (char c in Configuration.ServicePassword)
                                    {
                                        securePassword.AppendChar(c);
                                    }
                                    var onlineCredentials = new SharePointOnlineCredentials(Configuration.ServiceUserName, securePassword);
                                    var context = new ClientContext(Configuration.ServiceSiteUrl);
                                    context.Credentials = onlineCredentials;
                                    return context;
                          }


        static void Main(string[] args)
        {
            var context=GetonlineContext();
            Web web = context.Web;
            var featureId = new Guid("e374875e-06b6-11e0-b0fa-57f5dfd72085");
            var features = context.Web.Features;
            features.Add(featureId, true, FeatureDefinitionScope.None);
            context.ExecuteQuery();


        }
    }
}

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