protected void Page_Load(object sender, EventArgs e)
{
listNewsWithPages ln = new listNewsWithPages();
DataModal dm = new DataModal();
if (!(Request.Params["page"] == null || Request.Params["page"] == ""))
{
try
{
page = Convert.ToInt32(Request.Params["page"]);
}
catch (Exception ex)
{
page = 1;
}
}
int pageSize = 25;
ln = dm.GetNewsList(page,pageSize);
this.NewsRepeater.DataSource = ln.newsList;
this.NewsRepeater.DataBind();
pages = (ln.Total % pageSize) > 0 ? (ln.Total / pageSize)+1 : (ln.Total / pageSize);
}
/// <summary>
/// 获取文章列表
/// </summary>
/// <param name="page">第几页</param>
/// <param name="pageSize">每页数量</param>
/// <param name="sort">排序元</param>
/// <param name="order">desc或asc</param>
/// <returns></returns>
public listNewsWithPages GetNewsList(int page, int pageSize, string sort, string order)
{
listNewsWithPages lnp = new listNewsWithPages();
List<News> ns = new List<News>();
conn.Open();
if (page == 1)
{
cmd.CommandText = "select top " + pageSize +
" newsID,newsTitle,newsPostTime from newsTB order by " + sort + " " + order + " ";
}
else
{
cmd.CommandText = "select top " + pageSize +
" newsID,newsTitle,newsPostTime from newsTB where newsID not in ( select top " + (page - 1) * pageSize +
" newsID from newsTB order by " + sort + " " + order + " ) order by " + sort + " " + order + " ";
}
dr = cmd.ExecuteReader();
while (dr.Read())
{
News n = new News();
n.newsID =Convert.ToInt32( dr["newsID"]);
n.newsTitle = dr["newsTitle"].ToString();
n.newsContent = "";
n.newsPostTime = (DateTime)dr["newsPostTime"];
ns.Add(n);
}
dr.Close();
//查询页数
cmd.CommandText = "select count(newsID) from newsTB";
int tl = Convert.ToInt32(cmd.ExecuteScalar());
lnp.Total = tl;
conn.Close();
lnp.newsList = ns;
return lnp;
}
