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How to hide SharePoint List or Document Library

The requirement was to hide certain List or Document Library in a site. The following example shows how can it be done using object model.

I would like to bring out some points:
  • When a list is made hidden, it does not appear under "All Site Content" and Quick Launch".
  • However, if user has created an explicit link to the list, it still appears.
  • Also, if a user knows the URL, the hidden list can still be accessed.
  • Item cannot be made hidden with this method.
  • If the requirement is to block user from accessing the list, removing the permission is the ONLY way to achieve it.
                    using (SPSite mySite = new SPSite("Site URL"))
                    {
                        using (SPWeb myWeb = mySite.OpenWeb())
                        {
                            bool hidden = true;
                            myWeb.AllowUnsafeUpdates = true;
                            SPList lst = myWeb.Lists["List Name"];
                            lst.Hidden = hidden;
                            lst.OnQuickLaunch = !hidden;
                            lst.Update();
                            myWeb.AllowUnsafeUpdates = false;
                        }
                    }
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