Get élement from Liste sharepoint avec une CAML Query

  public static String LoadDocById(int idDoc)
  {
            String etape = "Debut Methode";
            SPList list = SPContext.Current.Web.Site.RootWeb.Lists["Docs"];
            if (list != null)
            {
                etape = "Litse non null";
string caml = @"<Where><Eq><FieldRef Name='ID' /><Value                     Type='Text'>2428</Value></Eq></Where>";

                SPQuery qry = new SPQuery();
                qry.Query = caml;
                SPListItemCollection items = list.GetItems(qry);
                            

foreach (SPListItem item in items)
                    {
                        String nomFichier = "";
                        if (item2["Nom"] != null)
                        {
                            nomFichier = item["Nom"].ToString();
                        }

                        if (item2["ID"] != null)
                        {
                            nomFichier = item["ID"].ToString();
                        }
                    }
                }

 return etape;

            }