string  queryName= "Product";
    var item = _orchardServices.ContentManager.New("Query");
    item.As<TitlePart>().Title =queryName;
    _orchardServices.ContentManager.Create(item, VersionOptions.Draft);
    if (!item.Has<IPublishingControlAspect>() && !item.TypeDefinition.Settings.GetModel<ContentTypeSettings>().Draftable)
        _orchardServices.ContentManager.Publish(item);

    var queryPart = item.As<QueryPart>();
    queryPart.ContentItem.ContentType = queryName;
    string desc =" filter for the query";
    string contentType = "CommonPart.ChannelID.";
    var filterGroupRecord = new FilterGroupRecord();
    var filterRecord = new FilterRecord()
    {
        Category = "CommonPartContentFields",
        Type = contentType,
        Position = 0,
    };
    filterRecord.State = "<Form><Description>" + desc + "</Description><Operator>Equals</Operator><Value>ChannelId</Value></Form>";
    filterGroupRecord.Filters.Add(filterRecord);
    queryPart.FilterGroups.Insert(0, filterGroupRecord);