In this article we can able to see, how to update the
created by and modified user name using client object model.
We migrated a site from lotus notes to SharePoint for those
items user name is coming as current system login user name, that to SharePoint
site is in different environment, we are unable to do using PowerShell, so we
done a sample client side object model to update the created by and modified by
user names.
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using Microsoft.SharePoint;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace updatecreatedby
{
class Program
{
static void
Main(string[] args)
{
ClientContext clicon = new ClientContext("http://dotnetsharepoint.com/sites/SharePoint");
SP.List
list =clicon.Web.Lists.GetByTitle("yourlistname");
clicon.Load(list);
SP.ListItem
item = list.GetItemById(22); //here item ID updating a single item
clicon .Load(item);
item["Author"] = GetUsers(clicon, "domainname\\createdname ");
item.Update();
item["Editor"] = GetUsers(clicon, " domainname\\modifiedname
");
item.Update();
clicon.ExecuteQuery();
}
private static
SP.FieldUserValue GetUsers(ClientContext clientContext, string UserName)
{
SP.FieldUserValue userValue = new SP.FieldUserValue();
SP.User
updateUser = clientContext.Web.EnsureUser(UserName);
clientContext.Load(updateUser);
clientContext.ExecuteQuery();
userValue.LookupId = updateUser.Id;
return
userValue;
}
}
}