Removing configuration Settings from Web config in SharePoint 2010

Removing configuration Settings from Web config in SharePoint 2010

The following example shows how to remove a configuration setting from sharepoint 2010 web config file. To know how to add a setting in web config file see the Post how to access SharePoint web config Programmatically example : SPWebConfigModification configModFound = null; SPWebApplication webApplication = SPWebApplication.Lookup(new Uri(“http://SPSite/”)); Collection modsCollection = webApplication.WebConfigModifications; // Find the most recent modification of a specified owner int modsCount1 = modsCollection.Count; for (int i = modsCount1 – 1; i > -1; i–) { if (modsCollection[i].Owner == “User Name”) { configModFound = modsCollection[i]; } } // Remove it and save the change to the configuration database modsCollection.Remove(configModFound); webApplication.Update(); // Reapply all the configuration modifications webApplication.Farm.Services.GetValue().ApplyWebConfigModifications();