Adding Users To A SharePoint 2013 Group Using CSOM

Steps

1. Open Visual Studio in your system
2. Select console application template and give the name as anything you like.
3. Add a Microsoft.Client Assembly reference file in right side reference tab in Visual Studio.
4. Replace Program.cs with the source code given below.

Code snippet

using System;
using Microsoft.SharePoint.Client;


namespace GowthamArticles
{
    class Addusertogroup
    {
        static void Main()
        {
            ClientContext clientContext = new ClientContext("https://gowtham.sharepoint.com/tutorials");
            GroupCollection collGroup = clientContext.Web.SiteGroups;
            Group oGroup = collGroup.GetById(7);

            UserCreationInformation userCreationInfo = new UserCreationInformation();
            userCreationInfo.Email = "[email protected]";
            userCreationInfo.LoginName = @"sp\dev";
            userCreationInfo.Title = "gowtham";
            User oUser = oGroup.Users.Add(userCreationInfo);
            clientContext.ExecuteQuery();


        }
    }
}

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