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ItemAdded Event Handler not firing

Posted By:      Posted Date: September 03, 2010    Points: 0   Category :SharePoint
Hi, I have created an ItemAdded Event handler that is linked to a content type. This event handler does certain custom validations and then sends Email to users. I have referenced this event handler in XML file as well but somehow the event handler is not getting fired...Following is the code.   Code Snippet            this.DisableEventFiring();            using (SPSite site = new SPSite(properties.SiteId))            {                 using (SPWeb web = site.OpenWeb())                {                    base.ItemAdding(properties);                     SPList nList = web.Lists["NList"];                    SPList IList = web.Lists["IList"];                     foreach (SPListItem listItem in nList.Items)                    {                        if (listItem["Topic"].ToString() == properties.ListItem["Topic"].ToString())                        {                            SPUser alertUser = (SPUser)(properties.ListItem["SUser"]);                            SPUtility.SendEmail(web, false, true,alertUser.Email,"New item added", "A new item has been added");                         }                    }                    this.EnableEventFiring();                }            }       The XML file is: Code Snippet  <XmlDocuments>      <XmlDocument NamespaceURI="http://schemas.microsoft.com/

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