前台HTML代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Main.aspx.cs" Inherits="Main" %>
<!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>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>主界面</h1>
<p>
<asp:Label ID="Label1" runat="server" Text="代号:"></asp:Label>
<asp:TextBox ID="txtCode" runat="server"></asp:TextBox>
<asp:Label ID="Label2" runat="server" Text="姓名："></asp:Label>
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="查询" />
</p>
</div>
<asp:Repeater ID="Repeater1" runat="server">
<HeaderTemplate>
<table width="100%" border="0" cellspacing="1" cellpadding="1" bgcolor="#6633CC">
<tr>
<td width="120" heigh="30" align="center" valign="middle" bgcolor="#FFFFFF">代号</td>
<td width="120" heigh="30" align="center" valign="middle" bgcolor="#FFFFFF">姓名</td>
<td width="120" heigh="30" align="center" valign="middle" bgcolor="#FFFFFF">性别</td>
<td width="120" heigh="30" align="center" valign="middle" bgcolor="#FFFFFF">民族</td>
<td width="120" heigh="30" align="center" valign="middle" bgcolor="#FFFFFF">生日</td>
<td width="120" heigh="30" align="center" valign="middle" bgcolor="#FFFFFF">操作</td>
</tr>
</HeaderTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
<ItemTemplate>
<tr>
<td heigh="30" align="center" valign="middle" bgcolor="#FFFFFF"><%#Eval("Code") %></td>
<td align="center" valign="middle" bgcolor="#FFFFFF"><%#Eval("Name") %></td>
<td align="center" valign="middle" bgcolor="#FFFFFF"><%#ShowSex() %></td>
<td align="center" valign="middle" bgcolor="#FFFFFF"><%#ShowNation() %></td>
<td align="center" valign="middle" bgcolor="#FFFFFF"><%#ShowBirthday() %></td>
<td align="center" valign="middle" bgcolor="#FFFFFF"><a href="Update.aspx?code=<%#Eval("Code") %>">修改</a> <a href="Delete.aspx?code=<%#Eval("Code") %>">删除</a></td>
</tr>
</ItemTemplate>
</asp:Repeater>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="添加" />
</form>
</body>
</html>
后台C#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 Main : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Session["uid"] != null)
{
if (!IsPostBack)
{
testDataContext context = new testDataContext();
//指定数据源
Repeater1.DataSource = context.Info;
Repeater1.DataBind();
}
}
else
{
Response.Redirect("DengLu.aspx");
}
}
//性别的函数 点用函数显示男女
public string ShowSex()
{
return Convert.ToBoolean(Eval("Sex")) ? "男" : "女";
}
public string ShowNation()
{
testDataContext context = new testDataContext();
//取每一项的Nation代号 是string类型的 放在code里面存着
string code = Eval("Nation").ToString();
//根据code查Nation表 只要他的Name 直接返回return
return context.Nation.Where(p => p.Code == code).First().Name;
}
public string ShowBirthday()
{
//直接取birthda这一列 返回一个日期时间型
return Convert.ToDateTime(Eval("Birthday")).ToString("yyyy年MM月dd日");
}
protected void Button2_Click(object sender, EventArgs e)
{
//组合查询
//第一步 取所有数据放在一个集合里面存着
testDataContext context = new testDataContext();
List<Info> list = context.Info.ToList();
//第二步 取第一个 和 第二个 查询条件
string code = txtCode.Text;
if (code != "")
{
//从list集合里面筛选出Code等于输入的code
list = list.Where(p => p.Code == code).ToList();
}
string name = txtName.Text;
if (name != "")
{
list = list.Where(p => p.Name.Contains(name)).ToList();
}
//给Reapeater做数据源
Repeater1.DataSource = list;
Repeater1.DataBind();
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Redirect("Insert.aspx");
}
}
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