CSharp: get data from WebMethod

 

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebMethodAjaxdemo.aspx.cs" Inherits="DuFullCalendar.WebMethodAjaxdemo" %>
<!doctype html>
<html>
<head id="Head1" runat="server">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">	
    <title>geovindu</title>
    	<meta name="Description" content="geovindu">
	<meta name="Keywords" content="geovindu">
    <meta name="author" content="geovindu" />
    <style type="text/css">
    .tblCustomers
{
    font-family: verdana,arial,sans-serif; 
    font-size:11px;
    color:#333333;
    border-width: 1px;
    border-color: #666666; 
    border-collapse: collapse;    
}

.customerth
{
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #666666; 
    background-color: #dedede;   
}

.customertd
{
    border-width: 1px; 
    padding: 8px; 
    border-style: solid; 
    border-color: #666666; 
    background-color: #ffffff;  
}
                
    </style>
    <script src="jquery/jquery-3.2.1.min.js" type="text/javascript"></script>
    <script type="text/javascript">

        $(document).ready(function () {
            $("#ddlCountry").change(function () {

                $("#tblCustomers tbody tr").remove();

                $.ajax({
                    type: "POST",
                    url: "WebMethodAjaxdemo.aspx/GetCustomers",
                    data: '{country: "' + $(this).val() + '" }',
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    success: function (data) {
                        console.log(data.d);
                       // var dudata = jQuery.parseJSON(data.d);
                        //console.log(dudata);
                        $.each(data.d, function (i, item) {
                            //console.log(item.CustomerID);
                            //console.log(item.CompanyName);
                            var rows = "<tr>"
                + "<td class='customertd'>" + item.CustomerID + "</td>"
                + "<td class='customertd'>" + item.CompanyName + "</td>"
                + "<td class='customertd'>" + item.ContactName + "</td>"
                + "<td class='customertd'>" + item.ContactTitle + "</td>"
                + "<td class='customertd'>" + item.City + "</td>"
                + "<td class='customertd'>" + item.Phone + "</td>"
                + "</tr>";
                            $('#tblCustomers tbody').append(rows);

                        });   
                    },
                    failure: function (response) {
                        var r = jQuery.parseJSON(response.responseText);
                        alert("Message: " + r.Message);
                        alert("StackTrace: " + r.StackTrace);
                        alert("ExceptionType: " + r.ExceptionType);
                    }
                });
            });
        });
    </script>

</head>
<body>
    <form id="form1" runat="server">
 <div>
    国家:
    <asp:DropDownList ID="ddlCountry" runat="server">
        <asp:ListItem Text="Brazil" Value="Brazil"></asp:ListItem> 
        <asp:ListItem Text="France" Value="France"></asp:ListItem> 
        <asp:ListItem Text="Germany" Value="Germany"></asp:ListItem> 
        <asp:ListItem Text="Spain" Value="Spain"></asp:ListItem> 
        <asp:ListItem Text="USA" Value="USA"></asp:ListItem> 
        <asp:ListItem Text="CN" Value="CN"></asp:ListItem> 
        <asp:ListItem Text="Mexico" Value="Mexico"></asp:ListItem> 
    </asp:DropDownList> 
     </div>
     <br />
     <div>
     <table id="tblCustomers" class="tblCustomers" >            
     <thead>
        <tr>
            <th align="left" class="customerth">客户ID</th>    
            <th align="left" class="customerth">公司名称</th>    
            <th align="left" class="customerth">联系人</th>    
            <th align="left" class="customerth">称谓</th> 
            <th align="left" class="customerth">城市</th>
            <th align="left" class="customerth">电话</th>  
        </tr>
     </thead> 
     <tbody>
            
     </tbody> 
     </table>        
     </div>     
    </form>
</body>
</html>

　　

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.Web.Services;


namespace DuFullCalendar
{

    /// <summary>
    /// geovindu,Geovin Du,涂聚文
    /// 
    /// </summary>
    public partial class WebMethodAjaxdemo : System.Web.UI.Page
    {


        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="country"></param>
        /// <returns></returns>
        [System.Web.Services.WebMethod]
        public static Customer[] GetCustomers(string country)
        {
            List<Customer> customers = new List<Customer>();
            //string query = string.Format("SELECT [CustomerID], [CompanyName], [ContactName], [ContactTitle]," +
            //        "[City], [Phone] FROM [Customers] WHERE Country LIKE '%{0}%'", country);

            //using (SqlConnection con =
            //        new SqlConnection("your connection string"))
            //{
            //    using (SqlCommand cmd = new SqlCommand(query, con))
            //    {
            //        con.Open();
            //        SqlDataReader reader = cmd.ExecuteReader();

            //        while (reader.Read())
            //        {
            //            Customer customer = new Customer();
            //            customer.CustomerID = reader.GetString(0);
            //            customer.CompanyName = reader.GetString(1);
            //            customer.ContactName = reader.GetString(2);
            //            customer.ContactTitle = reader.GetString(3);
            //            customer.City = reader.GetString(4);
            //            customer.Phone = reader.GetString(5);
            //            customers.Add(customer);
            //        }
            //    }
            //}
            Customer customer = new Customer();
            customer.CustomerID = "1";
            customer.CompanyName = "深圳六福珠宝";
            customer.ContactName = "涂聚文";
            customer.City = "深圳市";
            customer.ContactTitle = "天下为公";
            customer.Phone = "138";
            customer.Country = "CN";
            customers.Add(customer);

            customer = new Customer();
            customer.CustomerID = "2";
            customer.CompanyName = "广州六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "广州";
            customer.ContactTitle = "和而不同";
            customer.Phone = "139";
            customer.Country = "CN";
            customers.Add(customer);

            customer = new Customer();
            customer.CustomerID = "3";
            customer.CompanyName = "武汉六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "武汉";
            customer.ContactTitle = "和而不同";
            customer.Phone = "137";
            customer.Country = "CN";
            customers.Add(customer);

            customer = new Customer();
            customer.CustomerID = "4";
            customer.CompanyName = "北京六福珠宝";
            customer.ContactName = "Geovin Du";
            customer.City = "北京";
            customer.ContactTitle = "和而不同";
            customer.Phone = "136";
            customer.Country = "CN";
            customers.Add(customer);


            customer = new Customer();
            customer.CustomerID = "5";
            customer.CompanyName = "上海六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "上海";
            customer.ContactTitle = "和而不同";
            customer.Phone = "131";
            customer.Country = "CN";
            customers.Add(customer);

            customer = new Customer();
            customer.CustomerID = "5";
            customer.CompanyName = "重庆六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "重庆";
            customer.ContactTitle = "和而不同";
            customer.Phone = "132";
            customer.Country = "CN";
            customers.Add(customer);


            customer = new Customer();
            customer.CustomerID = "5";
            customer.CompanyName = "西安六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "西安";
            customer.ContactTitle = "和而不同";
            customer.Phone = "133";
            customer.Country = "CN";
            customers.Add(customer);

            customer = new Customer();
            customer.CustomerID = "6";
            customer.CompanyName = "纽约六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "纽约";
            customer.ContactTitle = "和而不同";
            customer.Phone = "1";
            customer.Country = "USA";
            customers.Add(customer);


            customer = new Customer();
            customer.CustomerID = "7";
            customer.CompanyName = "墨西哥六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "墨西哥";
            customer.ContactTitle = "和而不同";
            customer.Phone = "1";
            customer.Country = "Mexico";
            customers.Add(customer);


            customer = new Customer();
            customer.CustomerID = "8";
            customer.CompanyName = "墨尔本六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "墨尔本";
            customer.ContactTitle = "和而不同";
            customer.Phone = "1";
            customer.Country = "Spain";
            customers.Add(customer);

            customer = new Customer();
            customer.CustomerID = "9";
            customer.CompanyName = "圣保罗六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "圣保罗";
            customer.ContactTitle = "和而不同";
            customer.Phone = "1";
            customer.Country = "Brazil";
            customers.Add(customer);


            customer = new Customer();
            customer.CustomerID = "10";
            customer.CompanyName = "巴黎六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "巴黎";
            customer.ContactTitle = "和而不同";
            customer.Phone = "1";
            customer.Country = "France";
            customers.Add(customer);


            customer = new Customer();
            customer.CustomerID = "11";
            customer.CompanyName = "墨尔本六福珠宝";
            customer.ContactName = "gevoindu";
            customer.City = "墨尔本";
            customer.ContactTitle = "和而不同";
            customer.Phone = "1";
            customer.Country = "Germany";
            customers.Add(customer);
            //
            var selectCustomers = customers.Where(c => c.Country == country);

            return selectCustomers.ToArray();
        }
    }
}

　　

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace DuFullCalendar
{

    /// <summary>
    /// 客户对象
    /// 涂聚文 geovindu,Geovin Du
    /// </summary>
    public class Customer
    {

        /// <summary>
        /// 客户ID
        /// </summary>
        public string CustomerID { get; set; }
        /// <summary>
        /// 公司名称
        /// </summary>
        public string CompanyName { get; set; }
        /// <summary>
        /// 联系人
        /// </summary>
        public string ContactName { get; set; }
        /// <summary>
        /// 联联人称谓
        /// </summary>        
        public string ContactTitle { get; set; }
        /// <summary>
        /// 城市
        /// </summary>
        public string City { get; set; }
        /// <summary>
        /// 电话号码
        /// </summary>
        public string Phone { get; set; }
        /// <summary>
        /// 国家
        /// </summary>
        public string Country { get; set; }
    }
}

　　

 

 

 https://learn.microsoft.com/en-us/aspnet/web-forms/overview/older-versions-getting-started/aspnet-ajax/understanding-asp-net-ajax-web-services

<httpHandlers>
     <remove verb="*" path="*.asmx"/>
     <add verb="*" path="*.asmx" validate="false"
          type="System.Web.Script.Services.ScriptHandlerFactory,
          System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,
          PublicKeyToken=31bf3856ad364e35"/>
</httpHandlers>

　　

posted @ 2022-10-31 22:21  ®Geovin Du Dream Park™  阅读(51)  评论(0)    收藏  举报