cs代码
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Configuration; public partial class Default4 : System.Web.UI.Page { int pagesize = 200; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ViewState["PageIndex"] = 0; bind(); } } protected void bind() { int pageindex=Convert.ToInt32(ViewState["PageIndex"]); DataClasses3DataContext dc = new DataClasses3DataContext(ConfigurationManager.ConnectionStrings["SoyErpConnectionString"].ConnectionString.ToString()); var result = (from r in dc.MA_Lot select r).Skip(pagesize * pageindex).Take(pagesize); GridView1.DataSource = result; GridView1.DataBind(); btnFirst.Enabled = true; btnPre.Enabled = true; btnNext.Enabled = true; btnLast.Enabled = true; if (pageindex == 0) { btnFirst.Enabled = false; btnPre.Enabled = false; } if (pageindex == getCount()-1) { btnNext.Enabled = false; btnLast.Enabled = false; } } protected int getCount() { DataClasses3DataContext dc = new DataClasses3DataContext(ConfigurationManager.ConnectionStrings["SoyErpConnectionString"].ConnectionString.ToString()); int s1 = dc.MA_Lot.Count(); int s2 = s1 % pagesize == 0 ? 0 : 1; return s1 / pagesize + s2; } protected void btnFirst_Click(object sender, EventArgs e) { ViewState["PageIndex"] = 0; bind(); } protected void btnPre_Click(object sender, EventArgs e) { ViewState["PageIndex"] = Convert.ToInt32(ViewState["PageIndex"])-1; bind(); } protected void btnNext_Click(object sender, EventArgs e) { ViewState["PageIndex"] = Convert.ToInt32(ViewState["PageIndex"]) + 1; bind(); } protected void btnLast_Click(object sender, EventArgs e) { ViewState["PageIndex"] = getCount()-1; bind(); } }
aspx前台代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default4.aspx.cs" Inherits="Default4" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:Button ID="btnFirst" runat="server" Text="首页" onclick="btnFirst_Click" /> <asp:Button ID="btnPre" runat="server" Text="上一页" onclick="btnPre_Click" /> <asp:Button ID="btnNext" runat="server" Text="下一页" onclick="btnNext_Click" /> <asp:Button ID="btnLast" runat="server" Text="尾页" onclick="btnLast_Click" /></div> <div> <asp:GridView ID="GridView1" runat="server"> </asp:GridView> </div> </form> </body> </html>