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  • WB AJkx 例子2 第一种方法

    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>
        <script src="Script/jquery-1.7.1.min.js"></script>
        
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
        <h1>员工表</h1>
            <br />
            <br />
            <input id="txtname" type="text" />
            <input id="btn" type="button" value="查询" />
            <br />
            <br />
            <table id="tabinfo" width="600" border="0" cellspacing="1" cellpadding="1" bgcolor="#6600FF">
                <tr id="top">
                        <td width="120" height="30" align="center" valign="middle" bgcolor="#FFFFFF">代号</td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF">姓名</td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF">性别</td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF">民族</td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF">生日</td>
                   </tr>
                <tr>
                    <table id ="tab" width="600" border ="0" cellspacing="1" cellpadding="1" bgcolor="#6600FF">
               <%-- 用尖括号 百分号 可以嵌入C#代码--%>
                   <%
                       testDataContext context = new testDataContext();
                       var query = context.Info;
                       //显示每一行的数据 用foreach
                       foreach (Info data in query)
                       { 
                        %>
                    <tr>
                        <td width="120" height="30" align="center" valign="middle" bgcolor="#FFFFFF"><%=data.Code %></td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF"><%=data.Name %></td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF"><%=data.Sex %></td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF"><%=data.Nation %></td>
                        <td width="120" align="center" valign="middle" bgcolor="#FFFFFF"><%=data.Birthday %></td>
                    </tr>
    
    
                   <%
                        }
                        %>
                </table>
            </tr>
            </table>
        </div>
        </form>
        <script type="text/javascript">
            $(document).ready(function () {
                //给按钮加上事件
                $("#btn").click(function () {
                    //取出里面的值
                    var name = $("#txtname").val();
                    //调AJkx
    
                    $.ajax({
                        url: "Select.ashx",
                        type: "POST",
                        data: { name: name },
                        datatype: "TEXT",
                        success: function (data) {
                            //拆行
                            var hang = data.split('|');
                            var text = "";
                           for (var i = 0; i < hang.length; i++) {
                               var lie = hang[i].split('^');
                               text = text + "<tr heigh='30'>";
                              
                               for (var j = 0; j < lie.length; j++)
                               {
                                   
                                   text = text + "<td  width='120' align='center' valign='middle' bgcolor='#FFFFFF'>" + lie[j] + "</td>";
                               }
                               text = text + "</tr>";
                           }
                           $("#tab").html(text);
                        }
    
                    })
    
                })
            })
    
        </script>
    </body>
    </html>
    

      后台C#代码:

    <%@ WebHandler Language="C#" Class="Select" %>
    
    using System;
    using System.Web;
    using System.Linq;
    using System.Data.Linq;
    using System.Data;
    using System.Data.SqlClient;
    
    public class Select : IHttpHandler {
        
        public void ProcessRequest (HttpContext context) {
            //取值
            string name = context.Request["name"].ToString();
            SqlConnection conn = new SqlConnection("server=.;database=mydb;uid=sa;pwd=123");
            SqlCommand cmd = conn.CreateCommand();
    
            cmd.CommandText = "select *from Info where name like '%" + name + "%'";
            conn.Open();
            SqlDataReader _dr = cmd.ExecuteReader();
    
            string shuju = "";
    
            while (_dr.Read())//便利每一行
            {
                for (int i = 0; i < _dr.FieldCount; i++)//便利每一列
                { //某一列的值_dr[i] 把数据里面拼上每一列的数据
                    shuju += _dr[i].ToString() + "^";
    
                }
                shuju = shuju.Substring(0, shuju.Length - 1);
                shuju += "|";
            }
            shuju = shuju.Substring(0, shuju.Length - 1);
            conn.Close();
            context.Response.Write(shuju);
            context.Response.End();
    
          
        }
     
        public bool IsReusable {
            get {
                return false;
            }
        }
    
    }
    

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  • 原文地址:https://www.cnblogs.com/zhuxu/p/5087012.html
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