Implementing Event Handler in Sharepoint

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  nitingupta4u14y agoPosted Feb 6, 2012, 5:17 AM

  http://code.google.com/p/sharepoint-eventhandlers-manager/ SharePoint Event Handlers Manager allows admins to browse, add, edit and remove SharePoint event handlers from any list or web. This SharePoint solution provides two features that enables admins to play with event handlers from within SharePoint interface. It is very simple to use and doesn't require any configuration to start. Just download and install, and you are all set.
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  Ramya16y agoPosted Jun 22, 2010, 5:11 AM

  Hi, Is there any option to activate the feature to a particular list?
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    Chandresh Pansuriya16y agoPosted Sep 9, 2010, 9:31 AM

    Hi Ramyajaya, Thanks for your comment. yes very true you can activate the particular feature on particular sharepoint site. Example: you have to use the "Stsadm" command for same like Stsadm -o activatefeature -filename"foleder\feature.xml" -url "give the url of the site" -force. Thanks, Chandresh
  • SR

    sarwa rao16y agoPosted Aug 4, 2010, 7:15 AM

    You can refere this link. The following link is very good example and useful for future. http://codegain.com/articles/sharepoint/developmentprogramming/restrict-a-user-to-delete-from-a-sharepoint-list-using-item-deleting-event-handler.aspx
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  Shweta Agrawal16y agoeditedPosted Apr 21, 2010, 2:54 AMEdited Apr 21, 2010, 3:02 AM

  using System; using System.Runtime.InteropServices; using System.Web.UI; using System.Web.UI.WebControls; using System.Xml.Serialization; using Microsoft.SharePoint; using Microsoft.SharePoint.WebControls; using Microsoft.SharePoint.WebPartPages; using System.Diagnostics; namespace SiteCollectionLists { [Guid("47bb4600-1a80-42c8-95a4-dd0c8b2722b9")] [CLSCompliant(false)] public class SiteCollectionLists : WebPart { TreeView tvListnLib; public SiteCollectionLists() { } protected override void RenderWebPart(HtmlTextWriter output) { try { tvListnLib.RenderControl(output); } catch (Exception Ex) { EventLog.WriteEntry(Ex.Message.ToString(), "", EventLogEntryType.Error); } } protected override void CreateChildControls() { try { // TODO: add custom rendering code here. tvListnLib = new TreeView(); tvListnLib.ShowLines = true; tvListnLib.EnableViewState = true; tvListnLib.CollapseAll(); tvListnLib.ID = "lstname"; PopulateList(); Controls.Add(tvListnLib); } catch (Exception Ex) { EventLog.WriteEntry(Ex.Message.ToString(), "", EventLogEntryType.Error); } } public void PopulateList() { SPWeb objWeb = SPControl.GetContextSite(Context).RootWeb; try { TreeNode nodeRoot = null; tvListnLib.Nodes.Clear(); if ((objWeb.Exists) && (objWeb.Title != null) && (objWeb.Url != null)) { nodeRoot = new TreeNode(objWeb.Title); tvListnLib.NodeStyle.CssClass = "ms-input"; tvListnLib.Nodes.Add(nodeRoot); nodeRoot.NavigateUrl = objWeb.Url + "/default.aspx"; FillWeb(objWeb, nodeRoot); SPListCollection lstColForCurrSite = objWeb.GetListsOfType(SPBaseType.GenericList); FillList(lstColForCurrSite, nodeRoot, "List"); SPListCollection DLColForCurrSite = objWeb.GetListsOfType(SPBaseType.DocumentLibrary); FillList(DLColForCurrSite, nodeRoot, "Document Library"); } } catch (Exception Ex) { EventLog.WriteEntry(Ex.Message.ToString(), "", EventLogEntryType.Error); } } public void FillWeb(SPWeb webCurr, TreeNode objTreeNode) { SPListCollection lstColForCurrSite = null; SPListCollection DLColForCurrSite = null; try { foreach (SPWeb objWeb in webCurr.GetSubwebsForCurrentUser()) { TreeNode newTreeNode = null; try { if (objWeb.Exists) { newTreeNode = new TreeNode(objWeb.Title); objWeb.Lists.ListsForCurrentUser = true; objTreeNode.ChildNodes.Add(newTreeNode); newTreeNode.NavigateUrl = objWeb.ServerRelativeUrl+"/default.aspx"; newTreeNode.CollapseAll(); lstColForCurrSite = objWeb.GetListsOfType(SPBaseType.GenericList); FillList(lstColForCurrSite, newTreeNode, "List"); DLColForCurrSite = objWeb.GetListsOfType(SPBaseType.DocumentLibrary); FillList(DLColForCurrSite, newTreeNode, "Document Library"); } } catch (Exception Ex) { EventLog.WriteEntry(Ex.Message.ToString(), "", EventLogEntryType.Error); } FillWeb(objWeb, newTreeNode); //call recurcive function for all subsite. } } catch (Exception Ex) { EventLog.WriteEntry(Ex.Message.ToString(), "", EventLogEntryType.Error); } finally { if (webCurr != null) webCurr.Dispose(); } } public void FillList(SPListCollection lstColCurrWeb, TreeNode newTreeNode, string Type) { try { int lstCount = 0; SPList lstNode; TreeNode ListNode = new TreeNode(Type); newTreeNode.ChildNodes.Add(ListNode); if (Type == "List") ListNode.NavigateUrl = lstColCurrWeb.Web.Url + "/_layouts/viewlsts.aspx?BaseType=0"; else ListNode.NavigateUrl = lstColCurrWeb.Web.Url + "/_layouts/viewlsts.aspx?BaseType=1"; TreeNode tnNewList = null; for (lstCount = 0; lstCount < lstColCurrWeb.Count; lstCount++) { lstNode = lstColCurrWeb[lstCount]; tnNewList = new TreeNode(lstNode.Title, lstNode.ParentWebUrl); ListNode.ChildNodes.Add(tnNewList); tnNewList.NavigateUrl = lstNode.DefaultViewUrl; tnNewList.CollapseAll(); } } catch (Exception Ex) { EventLog.WriteEntry(Ex.Message.ToString(), "", EventLogEntryType.Error); } } } }