<% @ Page Language=\"C#\" %> <% @ Import Namespace=\"System.Data\" %> <% @ Import Namespace=\"System.Data.SqlClient\" %> <Script Language=\"C#\" Runat=\"Server\"> SqlConnection MyConn; int PageSize,RecordCount,PageCount,CurrentPage; public void Page_Load(Object src,EventArgs e) { //设定PageSize PageSize = 5; //连接语句 string MyConnString = \"server=127.0.0.1;database=example;uid=sa;pwd=1234567\"; MyConn = new SqlConnection(MyConnString); MyConn.Open(); //第一次哀求执行 if(!Page.IsPostBack) { ListBind(); CurrentPage = 0; ViewState[\"PageIndex\"] = 0; //计算总共有多少记录 RecordCount = CalculateRecord(); lblRecordCount.Text = RecordCount.ToString(); //计算总共有多少页 PageCount = RecordCount/PageSize; lblPageCount.Text = PageCount.ToString(); ViewState[\"PageCount\"] = PageCount; } } //计算总共有多少条记录 public int CalculateRecord() { int intCount; string strCount = \"select count(*) as co from TABLE1\"; SqlCommand MyComm = new SqlCommand(strCount,MyConn); SqlDataReader dr = MyComm.ExecuteReader(); if(dr.Read()) { //intCount = Int32.Parse(dr[\"co\"].ToString()); intCount=(int)dr[\"co\"]; } else { intCount = 0; } dr.Close(); return intCount; } ICollection CreateSource() { int StartIndex; //设定导入的起终地址 StartIndex = CurrentPage*PageSize; string strSel = \"select * from TABLE1\"; DataSet ds = new DataSet(); SqlDataAdapter MyAdapter = new SqlDataAdapter(strSel,MyConn); MyAdapter.Fill(ds,StartIndex,PageSize,\"Score\"); return ds.Tables[\"Score\"].DefaultView; } public void ListBind() { score.DataSource = CreateSource(); score.DataBind(); lbnNextPage.Enabled = true; lbnPrevPage.Enabled = true; if(CurrentPage==(PageCount-1)) lbnNextPage.Enabled = false; if(CurrentPage==0) lbnPrevPage.Enabled = false; lblCurrentPage.Text = (CurrentPage+1).ToString(); } public void Page_OnClick(Object sender,CommandEventArgs e) { CurrentPage = (int)ViewState[\"PageIndex\"]; PageCount = (int)ViewState[\"PageCount\"]; string cmd = e.CommandName; //判定cmd,以判断翻页方向 switch(cmd) { case \"next\": if(CurrentPage<(PageCount-1)) CurrentPage++; break; case \"prev\": if(CurrentPage>0) CurrentPage--; break; } ViewState[\"PageIndex\"] = CurrentPage; ListBind(); } </script> <html> <head> <title></title> </head> <body> <form runat =\"server\"> 共有<asp:Label id=\"lblRecordCount\" ForeColor=\"red\" runat =\"server\" />条记录 当前为<asp:Label id=\"lblCurrentPage\" ForeColor=\"red\" runat =\"server\" />/<asp:Label id=\"lblPageCount\" ForeColor=\"red\" runat =\"server\" />页 <asp:DataList id=\"score\" runat =\"server\" HeaderStyle-BackColor=\"#aaaadd\" AlternatingItemStyle-BackColor=\"Gainsboro\" EditItemStyle-BackColor=\"yellow\" > <ItemTemplate> 姓名:<%# DataBinder.Eval(Container.DataItem,\"title\") %> <asp:LinkButton id=\"btnSelect\" Text=\"编辑\" CommandName=\"edit\" runat =\"server\" /> </ItemTemplate> </asp:DataList> 共<%=PageCount%>页 <asp:LinkButton id=\"lbnPrevPage\" Text=\"上一页\" CommandName=\"prev\" OnCommand=\"Page_OnClick\" runat =\"server\" /> <asp:LinkButton id=\"lbnNextPage\" Text=\"下一页\" CommandName=\"next\" OnCommand=\"Page_OnClick\" runat =\"server\" /> </form> </body> </html>
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