Jquery无法调用C＃函数 [英] Jquery fail to call C# function

问题描述

<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication10._Default" %>

<asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server">
    <script type="text/javascript">
    $(document).ready(function () {
        $("#userinput").on('input', function () {
            if ($(this).val().length >= 8) {
                $.ajax({
                    type: "POST",
                    url: "Default.aspx/fillfields",
                    contentType: "application/json; charset=utf-8",
                    data: '{employeeID: "' + $("#userinput").val() + '"}',
                    dataType: "json"
                });
                $('#userinput').val("");
            }
        });
    });

    </script>
    <br>
    <div style="text-align: center">
        <br>
        <input autofocus="autofocus"  id="userinput" />
        <br>
        <hr>
    </div>

using System;
using System.Web.UI;
using System.Data.SqlClient;
using System.Configuration;
namespace WebApplication10
{
    public partial class _Default : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }
        [System.Web.Services.WebMethod]
        public static void fillfields(string employeeID)
        {
            string constr = ConfigurationManager.ConnectionStrings["DbConnection"].ConnectionString;
            using (SqlConnection connection = new SqlConnection(constr))
            {
                connection.Open();
                using (SqlCommand command = new SqlCommand("TMS_INSERT", connection))
                {
                    command.CommandType = System.Data.CommandType.StoredProcedure;
                    command.Parameters.AddWithValue("@EMP_ID", employeeID);
                    command.ExecuteNonQuery();
                }
                connection.Close();
            }
        }
    }
}

为什么我的代码无法调用c＃函数？代码看起来很好但是失败了工作：（



我尝试过：



请帮忙并指导我，尝试查看broswer控制台，但其空白

why my code fail to call the c# function?code look fine but fail to work : (

What I have tried:

please help and guide me,tried look into broswer console but its blank

推荐答案

（文档）。ready（< span class =code-keyword> function （）{

(document).ready(function () {

（ ＃userinput）。on（' input'， function （）{
if （

("#userinput").on('input', function () { if (

（ this ）。val（）。length> = 8 ）{

(this).val().length >= 8) {

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