前端代码
<%@ Page Language="C#" AutoEventWireup="true" Debug="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script src="DatePicker/WdatePicker.js"></script> </head> <body> <form id="form1" runat="server"> <div> <br /> 编号：<asp:TextBox ID="code_text" style="width:50px;" runat="server"></asp:TextBox> 汽车名：<asp:TextBox ID="carname_text" runat="server"></asp:TextBox> 系列：<asp:TextBox ID="brand_text" runat="server"></asp:TextBox> 时间段：<asp:TextBox ID="date_text1" class="date" runat="server"></asp:TextBox>至 <asp:TextBox ID="date_text2" class="date" runat="server"></asp:TextBox><br /> 油耗：<asp:DropDownList ID="dr_oil" runat="server"> <asp:ListItem Text="全部" Value="null"></asp:ListItem> <asp:ListItem Text="大于8.0" Value="dayu8.0"></asp:ListItem> <asp:ListItem Text="5.0到8.0" Value="5.0zhi8.0"></asp:ListItem> <asp:ListItem Text="低于5.0" Value="diyu5.0"></asp:ListItem> </asp:DropDownList> 排量：<asp:TextBox ID="p_text1" runat="server"></asp:TextBox>至 <asp:TextBox ID="p_text2" runat="server"></asp:TextBox> 价格：<asp:TextBox ID="price_text1" runat="server"></asp:TextBox>至 <asp:TextBox ID="price_text2" runat="server"></asp:TextBox> <asp:Button ID="btn_select" runat="server" Text="查询" /> <br /><br /> <table style="width:100%;background-color:navy;"> <tr style="font-size:25px;color:white;"> <td>Ids</td> <td>编号</td> <td>汽车名</td> <td>系列</td> <td>时间</td> <td>油耗</td> <td>马力</td> <td>排量</td> <td>价格</td> </tr> <asp:Repeater ID="Repeater1" runat="server"> <ItemTemplate> <tr style="background-color:white;"> <td><%#Eval("ids") %></td> <td><%#Eval("code") %></td> <td><%#Eval("name") %></td> <td><%#Eval("brand") %></td> <td><%#Eval("time") %></td> <td><%#Eval("oil") %></td> <td><%#Eval("powers") %></td> <td><%#Eval("exhaust") %></td> <td><%#Eval("price") %></td> </tr> </ItemTemplate> </asp:Repeater> </table> 当前第[<asp:Label ID="lable_now" runat="server" Text="1"></asp:Label>]页，共[<asp:Label ID="lable_zong" runat="server" Text=""></asp:Label>]页 <asp:Button ID="btn_begin" runat="server" Text="首页" /> <asp:Button ID="btn_prev" runat="server" Text="上一页" /> <asp:Button ID="btn_next" runat="server" Text="下一页" /> <asp:Button ID="btn_end" runat="server" Text="尾页" /> <asp:DropDownList ID="dr_jump" runat="server"></asp:DropDownList> <asp:Button ID="btn_jump" runat="server" Text="跳转" /> </div> </form> </body> </html> <script type="text/javascript"> var date = document.getElementsByClassName("date"); for (var i = 0; i < date.length; i++) { date[i].onfocus = function () { WdatePicker({ readOnly: true, maxDate: '%y-%M-%d' }); } } </script>
后端代码
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class _Default : System.Web.UI.Page { //每一页 显示多少条数据 5条 int pagecount = 5; #region 页面加载时 绑定的数据 protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { Repeater1.DataSource = SelectToList().Take(pagecount); Repeater1.DataBind(); lable_now.Text = "1"; } // 绑定事件 btn_select.Click += btn_select_Click; btn_begin.Click += btn_begin_Click; btn_end.Click += btn_end_Click; btn_next.Click += btn_next_Click; btn_prev.Click += btn_prev_Click; btn_jump.Click += btn_jump_Click; #endregion } void btn_jump_Click(object sender, EventArgs e) { int a = Convert.ToInt32(dr_jump.SelectedValue); if (a == 1) { btn_begin.Visible = false; btn_prev.Visible = false; btn_end.Visible = true; btn_next.Visible = true; } else if (a.ToString() == lable_zong.Text) { btn_end.Visible = false; btn_next.Visible = false; btn_begin.Visible = true; btn_prev.Visible = true; } else { btn_begin.Visible = true; btn_prev.Visible = true; btn_end.Visible = true; btn_next.Visible = true; } Repeater1.DataSource = SelectToList().Skip((a - 1) * pagecount).Take(pagecount); Repeater1.DataBind(); lable_now.Text = a.ToString(); } void btn_prev_Click(object sender, EventArgs e) { int a = Convert.ToInt32(lable_now.Text) - 1; //假设到 首页 上一页 和 首页隐藏 if (a < 1) { btn_begin.Visible = false; btn_prev.Visible = false; return; } btn_begin.Visible = true; btn_prev.Visible = true; btn_end.Visible = true; btn_next.Visible = true; Repeater1.DataSource = SelectToList().Skip((a - 1) * pagecount).Take(pagecount); Repeater1.DataBind(); lable_now.Text = a.ToString(); } void btn_next_Click(object sender, EventArgs e) { int a = Convert.ToInt32(lable_now.Text) + 1; //假设到尾页时 下一页和尾页隐藏 if (a > Convert.ToInt32(lable_zong.Text)) { btn_end.Visible = false; btn_next.Visible = false; return; } btn_begin.Visible = true; btn_prev.Visible = true; btn_end.Visible = true; btn_next.Visible = true; Repeater1.DataSource = SelectToList().Skip((a - 1) * pagecount).Take(pagecount); Repeater1.DataBind(); lable_now.Text = a.ToString(); } void btn_end_Click(object sender, EventArgs e) { //假设到尾页时 下一页和尾页隐藏 上一页和首页显示 btn_end.Visible = false; btn_next.Visible = false; btn_begin.Visible = true; btn_prev.Visible = true; //数据显示尾页数据 int a = Convert.ToInt32(lable_zong.Text); Repeater1.DataSource = SelectToList().Skip((a - 1) * pagecount).Take(pagecount); Repeater1.DataBind(); lable_now.Text = a.ToString(); } void btn_begin_Click(object sender, EventArgs e) { //假设 到首页时 上一页和首页隐藏 btn_begin.Visible = false; btn_prev.Visible = false; btn_end.Visible = true; btn_next.Visible = true; //数据 首页 数据绑定 Repeater1.DataSource = SelectToList().Take(pagecount); Repeater1.DataBind(); lable_now.Text = "1"; } void btn_select_Click(object sender, EventArgs e) { lable_now.Text = "1"; Repeater1.DataSource = SelectToList().Take(pagecount); Repeater1.DataBind(); } //查询数据的方法 public List<car> SelectToList() { using (CarDataContext con = new CarDataContext()) { List<car> clist = con.car.ToList(); //编号 code if (code_text.Text.Trim().Length > 0) { //包含 code clist = clist.Where(r => r.code.Contains(code_text.Text.Trim())).ToList(); } //查汽车名 if (carname_text.Text.Trim().Length > 0) { clist = clist.Where(r => r.name.Contains(carname_text.Text.Trim())).ToList(); } //查时间段 if (date_text1.Text.Trim().Length > 0) { clist = clist.Where(r => Convert.ToDateTime(r.time).Date >= Convert.ToDateTime(date_text1.Text).Date).ToList(); } if (date_text2.Text.Trim().Length > 0) { clist = clist.Where(r => Convert.ToDateTime(r.time).Date <=Convert.ToDateTime(date_text2.Text).Date).ToList(); } //查油耗 oil if (dr_oil.SelectedValue == "dayu8.0") { clist = clist.Where(r => Convert.ToDecimal(r.oil) >= Convert.ToDecimal(8.0)).ToList(); } else if (dr_oil.SelectedValue == "5.0zhi8.0") { clist = clist.Where(r => Convert.ToDecimal(r.oil) > Convert.ToDecimal(5.0) && Convert.ToDecimal(r.oil) < Convert.ToDecimal(8.0)).ToList(); } else if (dr_oil.SelectedValue == "diyu5.0") { clist = clist.Where(r => Convert.ToDecimal(r.oil) <= Convert.ToDecimal(5.0)).ToList(); } //查 排量exhaus列 if (p_text1.Text.Trim().Length > 0) { clist = clist.Where(r => Convert.ToInt32(r.exhaust) >= Convert.ToInt32(p_text1.Text.Trim())).ToList(); } if (p_text2.Text.Trim().Length > 0) { clist = clist.Where(r => Convert.ToInt32(r.exhaust) <= Convert.ToInt32(p_text2.Text.Trim())).ToList(); } //查价格price if (price_text1.Text.Trim().Length > 0) { clist = clist.Where(r => Convert.ToDecimal(r.price) >= Convert.ToDecimal(price_text1.Text.Trim())).ToList(); } if (price_text2.Text.Trim().Length > 0) { clist = clist.Where(r => Convert.ToDecimal(r.price) <= Convert.ToDecimal(price_text2.Text.Trim())).ToList(); } int a = Convert.ToInt32(Math.Ceiling(Convert.ToDecimal(clist.Count) / pagecount)); lable_zong.Text = a.ToString(); dr_jump.Items.Clear(); for (int i = 1; i <= a; i++) { ListItem li = new ListItem(i.ToString(), i.ToString()); dr_jump.Items.Add(li); } return clist; } } }