threadlist.cs

这是一个简单的论坛程序源码

using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using NetFocus.Web.Core;

namespace NetFocus.Web.Applications.Forum
{
    public class ThreadList : UserControl
    {
        protected Repeater list;
        protected Pager pager;
        protected CurrentPage currentPage;

        protected override void OnLoad(EventArgs e)
        {
            if (!Page.IsPostBack && !AjaxManager.IsCallBack)
            {
                BindData();
            }
            AjaxManager.Register(this, "AjaxMethod");
        }

        private void BindData()
        {
            if (list == null)
            {
                return;
            }
            WebContext context = WebContext.Current;
            EntityList threads = BusinessManager.GetThreadList(RequestBuilder.BuildThreadListRequest(context.SectionId, pager.PageIndex, pager.PageSize));

            list.DataSource = threads;
            list.DataBind();

            if (pager != null && currentPage != null)
            {
                pager.TotalPages = pager.CalculateTotalPages(threads.TotalCount);
                currentPage.TotalRecords = threads.TotalCount;
                currentPage.TotalPages = pager.TotalPages;
                currentPage.PageIndex = pager.PageIndex;
            }
        }

        #region Ajax Method

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public void DeleteThread(int threadId)
        {
            Thread thread = BusinessManager.GetThread(RequestBuilder.BuildThreadRequest(threadId)) as Thread;

            BusinessManager.DeleteThread(threadId);

            //更新版块回复总数
            Section section = BusinessManager.GetSection(thread.SectionId);
            if (section != null)
            {
                section.TotalThreads--;
                BusinessManager.UpdateSection(section);
            }
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public void DeleteThreads(string articleIds)
        {
            if (string.IsNullOrEmpty(articleIds))
            {
                return;
            }
            string[] articleIdArray = articleIds.Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
            int articleId = 0;
            foreach (string stringArticleId in articleIdArray)
            {
                try
                {
                    articleId = Int32.Parse(stringArticleId);
                }
                catch
                {
                    continue;
                }
                if (articleId > 0)
                {
                    DeleteThread(articleId);
                }
            }
        }

        #endregion

    }
}