private static void DeleteRoleRelation(int roleId)
 {
     dal.DeleteFieldPermissionFromRoles(roleId, 0, null);
     dal.DeleteNodePermissionFromRoles(roleId, -2);
     dal.DeletePermissionFromRoles(roleId);
     dal.DeleteSpecialPermissionFromRoles(roleId, 0);
 }
 public static void DeleteNodePermissionFromRoles(int roleId, int nodeId)
 {
     dal.DeleteNodePermissionFromRoles(roleId, nodeId);
 }