/// 08/11/2022 Mahesh Kumar Yadav. <br/>

/// <summary>

/// Create group in site level

/// </summary>

using (ClientContext clientContext = new ClientContext("http://MyServer/sites/MySiteCollection"))

{

  // NOTE: The user who is running the code will be added as "Group Ownr"

  GroupCollection oGroupCollection = clientcontext.Web.SiteGroups;

​

  // GroupCreationInformation object

  GroupCreationInformation oGroupCreationInformation = new GroupCreationInformation();

​

  oGroupCreationInformation.Title = "New Group";

  oGroupCreationInformation.Description = "Group description";

​

  Group oGroup = oGroupCollection.Add(oGroupCreationInformation);

  clientcontext.ExecuteQuery();

}

using Microsoft.SharePoint.Client;

using System.Linq;

/// 08/11/2022 Mahesh Kumar Yadav. <br/>

/// <summary>

/// Get all the groups

/// </summary>

using (ClientContext clientContext = new ClientContext("http://MyServer/sites/MySiteCollection"))

  {

    // Get all the groups at site level

    GroupCollection oGroupCollection = clientcontext.Web.SiteGroups;

​

    clientcontext.Load(oGroupCollection);

    clientcontext.ExecuteQuery();

​

    // Iterate through each group

    foreach (Group oGroup in oGroupCollection)

    {

      // Print group title

      Console.WriteLine(oGroup.Title);

    }

  }