不实用数据库实现保存和查询功能

前台:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="作业一保存搜索.aspx.cs" Inherits="周五的练习Kindeditor3._29.作业一保存搜索" %>

<!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:TextBox ID="txtTitle" runat="server" Width="209px"></asp:TextBox>
        <asp:Button ID="btnSave" runat="server" Text="保馈存" onclick="btnSave_Click" />
        <asp:Button ID="btnQuery" runat="server" Text="查询" onclick="btnQuery_Click" />
        <br />
        <br />
        <asp:TextBox ID="txtContent" runat="server" Height="219px" TextMode="MultiLine"
            Width="339px"></asp:TextBox>
        <br />
   
    </div>

    </form>
</body>
</html>

后台:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Data;

namespace 周五的练习Kindeditor3._29
{
    public partial class 作业一保存搜索 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
           
        }
       
        protected void btnSave_Click(object sender, EventArgs e)
        {
            Gushi gushi = new Gushi();
            gushi.Title = txtTitle.Text;
            gushi.Content = txtContent.Text;
            if (ViewState["gushi"] != null)
            {
                List<Gushi> list = ViewState["gushi"] as List<Gushi>;
                list.Add(gushi);
                ViewState["gushi"] = list;
            }
            else
            {
                List<Gushi> list = new List<Gushi>();
                list.Add(gushi);
                ViewState["gushi"] = list;
            }
            txtTitle.Text = string.Empty;
            txtContent.Text = string.Empty;

        }

        protected void btnQuery_Click(object sender, EventArgs e)
        {
            txtContent.Text = string.Empty;
            if (ViewState["gushi"] != null)
            {
                List<Gushi> list = ViewState["gushi"] as List<Gushi>;
                foreach (Gushi item in list)
                {
                    if (item.Title == txtTitle.Text)
                    {
                        txtContent.Text = item.Content;
                    }
                }
            }           

        }

    }
}

原文地址:https://www.cnblogs.com/duanlinlin/p/2994377.html