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I am using managed client object model for creating list item, I want to update the Author, Created and Editor fields from code. I have tried lot of things like:

var listItem = list.AddItem(listItemCreationInformation); 
listItem["Title"] = "Migrated Date"; 
listItem["Modified"] = DateTime.Now.AddDays(-10); 

//Date Value listItem["Created"] = DateTime.Now.AddDays(-10); 
listItem["Author"] = GetUser(clientContext, "Domain\\userId"); 
listItem["Editor"] = GetUser(clientContext, "Domain\\userId"); 
listItem["CORID"] = folderPath; 
listItem.Update(); 

clientContext.ExecuteQuery();
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  • Please share what you have tried May 21, 2014 at 13:44
  • Hi Robert,I have posted the code..
    – Sreejith
    May 21, 2014 at 13:49
  • It seems like the user executing the code needs Full Control permission on the list to update the author and editor fields.
    – user47492
    Oct 2, 2015 at 11:30

2 Answers 2

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I'm 99% sure that you need to retrieve the item back and then update those fields. try this:

var newListItem = list.AddItem(listItemCreationInformation); 
var listItem = list.getItemById(newListItem.Id);

listItem["Title"] = "Migrated Date"; 
listItem["Modified"] = DateTime.Now.AddDays(-10); 

//Date Value listItem["Created"] = DateTime.Now.AddDays(-10); 
listItem["Author"] = GetUser(clientContext, "Domain\\userId"); 
listItem["Editor"] = GetUser(clientContext, "Domain\\userId"); 
listItem["CORID"] = folderPath; 
listItem.Update(); 

clientContext.ExecuteQuery();

Note the 2nd line that fetches the newly created item.

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  • Hi Rob,thanks for the help,still not able to update
    – Sreejith
    May 22, 2014 at 6:09
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As these are read only fields, you might not be able to update it as per my understanding.

However you can try following code whether it works or not as its trying to change the readonly property of the list:

FieldUserValue fldUser = new FieldUserValue();
fldUser.LookupId = oUser.Id;
clientContext.Load(fldUser);
clientContext.ExecuteQuery();
oListItem["Author"] = fldUser;
oListItem["Editor"] = fldUser;

If the above code doesn't work means, the Author and Editor field maybe a ReadOnly Field, So we have to remove the readOnly mode from that field.

list.Fields.GetByInternalNameOrTitle("Author").ReadOnlyField = false;
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  • Hi Robert,Thanks for the Suggestion, i tried your code too...still im unable to update.
    – Sreejith
    May 21, 2014 at 14:15

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