Asp.Net：一个通用分页函数

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原作者: [db:作者] 来自: [db:来源] 收藏邀请

功能：
1.每页设置显示9页，超过9页，点5页后的+1页显示（可以随便修改）
2.CSS样式自己可以设置
3.无任何咋代码产生，利于搜索引擎优化

//分页程序
objPDS = new PagedDataSource();
objPDS.DataSource = dtTable.DefaultView;//绑定数据源
objPDS.AllowPaging = true;
objPDS.PageSize =10;//分页数目
int curPage;
int cshi;
int jshi;
int zyes = Int32.Parse( objPDS.PageCount.ToString());
this.tjixx.Text = "总共 " + dtTable.Rows.Count + " 条信息";
this.tjixx.Text += "|共 " + zyes + " 页";
if (Request.QueryString["Page"] != null)
{
if (Int32.Parse(Request.QueryString["Page"]) > zyes)
curPage = zyes;
else
curPage = Int32.Parse(Request.QueryString["Page"]);
}

else
{
curPage = 1;
}

if (zyes <= 9)
{
cshi = 1;
jshi = zyes;

}
else
{
if (curPage <= 5)
{
cshi = 1;
jshi = 9;

}

else
{

cshi = curPage - 4;
int jshils = curPage + 4;
if (jshils > zyes)
jshi = zyes;
else
jshi=curPage + 4;

}
}
objPDS.CurrentPageIndex = curPage - 1;
StringBuilder m_strPageInfo = new StringBuilder();
for (int i = cshi; i <=jshi; i++)
{
if (i == Int32.Parse(curPage.ToString()))
m_strPageInfo.Append(" " + i + " ");
else
m_strPageInfo.Append(" <a href=\"newslist_ej" + Request.QueryString["wzcat"] + "_Page" + i + ".html\">" + i + " </a> ");
}
this.yemsl.Text = m_strPageInfo.ToString();

if (!objPDS.IsFirstPage)
{

linkPre.NavigateUrl = "newslist_ej" + Request.QueryString["wzcat"] + "_Page" + Convert.ToString(curPage - 1);
linkPre.NavigateUrl += ".html";
}
if (!objPDS.IsLastPage)
{
linkNext.NavigateUrl = "newslist_ej" + Request.QueryString["wzcat"] + "_Page" + Convert.ToString(curPage + 1);
linkNext.NavigateUrl += ".html";
}
linkFirstPage.NavigateUrl = "newslist_ej" + Request.QueryString["wzcat"] + "_Page1";
linkFirstPage.NavigateUrl += ".html";
linkEndPage.NavigateUrl = "newslist_ej" + Request.QueryString["wzcat"] + "_Page" + objPDS.PageCount.ToString();
linkEndPage.NavigateUrl += ".html";
this.DataList4.DataSource = objPDS;//绑定分页的数据
this.DataList4.DataBind();

//Aspx文件：

分页部分：

<div align="center"> <asp:HyperLink ID="linkFirstPage" runat="server" Font-Underline="False">首页 </asp:HyperLink><<
<asp:HyperLink ID="linkPre" runat="server" Font-Underline="False">上一页 </asp:HyperLink>
<asp:Literal ID="yemsl" runat="server"> </asp:Literal>
<asp:HyperLink ID="linkNext" runat="server" Font-Underline="False">下一页 </asp:HyperLink>   
>> <asp:HyperLink
ID="linkEndPage" runat="server" Font-Underline="False">尾页 </asp:HyperLink>| <asp:Literal
ID="tjixx" runat="server"> </asp:Literal> </div>