I have an itemadded event receivers for a List, my ItemAdded function here:

public override void ItemAdded(SPItemEventProperties properties)
            SPListItem item = properties.ListItem;
            string a= item["a"].ToString();
            string b= item["b"].ToString().Trim();
// Sure that 'b' is not empty
            if (String.IsNullOrEmpty(b))
                item["b"] = a;


But nothing happen after I added the item??? I'm a new in Event Receiver


Comment the line base.ItemAdded(properties); and try it will update the item and instead of .toString() use Convert.toString(object);. Even null value would be handled.

  • Can you explain why removing base.ItemAdded(properties); resolves this issue? – Submits Mar 5 '15 at 9:35
  • 1
    base.ItemAdded(properties); is to override the base class SPItemEventReceiver method so you are passing the current property to that method after that you are trying to modify the item so the property remained same – Anandakrishnan Mar 5 '15 at 10:30

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