SP 2010 TryGetList()

 When we writing the code using  objectmodel to getting the items in a specific list.we specifi the list name,If that list is not exist in the site it throws null reference exception ,so to overcome this error in moss2010 TryGetList() introduced.

           SPSite Site = SPContext.Current.Site;

            SPWeb Web = Site.OpenWeb();

            SPList  List = Web.Lists["IowaStateUserList"];

           SPList List = Web.Lists.TryGetList("IowaStateUserList");

            if (List != null)

              {

                 Response.Write("List Exist");

              }

             else 

                 Response.Write("List not Exist");