Eucalypto - ASP.NET CMS Library using NHibernate

using System;
using System.Data;
using System.Configuration;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.ComponentModel;

public partial class Controls_TopicList : System.Web.UI.UserControl
{
    private const int LIST_PAGING_SIZE = 10;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (IsPostBack == false)
        {
            LoadList();
        }
    }

    #region Properties
    /// <summary>
    /// Gets or sets the forum category name used to load the list of topics
    /// </summary>
    public string CategoryName
    {
        get
        {
            object val = ViewState["CategoryName"];
            return val == null ? null : (string)val;
        }
        set { ViewState["CategoryName"] = value; }
    }

    /// <summary>
    /// The page used for the list pagination.
    /// </summary>
    protected int CurrentPage
    {
        get
        {
            object val = ViewState["CurrentPage"];
            return val == null ? 0 : (int)val;
        }
        set { ViewState["CurrentPage"] = value; }
    }
    #endregion

    private void LoadList()
    {
        Eucalypto.Forum.Category category = Eucalypto.Forum.ForumManager.GetCategoryByName(CategoryName, true);

        Eucalypto.PagingInfo paging = new Eucalypto.PagingInfo(LIST_PAGING_SIZE, CurrentPage);
        IList<Eucalypto.Forum.Topic> topics = Eucalypto.Forum.ForumManager.GetTopics(category,
                                                    paging);


        lblCurrentPage.Text = (CurrentPage + 1).ToString();
        lblTotalPage.Text = paging.PagesCount.ToString();

        listRepeater.DataSource = topics;
        listRepeater.DataBind();

        if (CurrentPage == 0)
            linkPrev.Enabled = false;
        else
            linkPrev.Enabled = true;
        if (CurrentPage + 1 >= paging.PagesCount)
            linkNext.Enabled = false;
        else
            linkNext.Enabled = true;
    }

    protected string GetViewTopicUrl(string idTopic)
    {
        return Navigation.Forum_ViewTopic(idTopic).GetClientUrl(this);
    }

    protected int GetRepliesCount(string idTopic)
    {
        Eucalypto.Forum.Topic topic = Eucalypto.Forum.ForumManager.GetTopic(idTopic);

        //Remove 1 because it is the topic message
        return Eucalypto.Forum.ForumManager.MessageCountByTopic(topic) - 1;
    }

    protected void linkPrev_Click(object sender, EventArgs e)
    {
        CurrentPage--;
        LoadList();
    }
    protected void linkNext_Click(object sender, EventArgs e)
    {
        CurrentPage++;
        LoadList();
    }
}