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Auto Complete in ASP.NET MVC Using Jquery Ajax

In this article of ASP.NET MVC we will learn about AutoComplete textbox using ajax and jquery:



Firstly make a connection with database.In my case i have used Entity Model.



Then create a Controller,my case i create HomeController:



using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using test.Models;

namespace test.Controllers
{
    public class HomeController : Controller
    {
         EmpEntities db = new EmpEntities();

        public ActionResult Index()
        {
            return View();
        }

        public ActionResult getffvalue(string searchInput)
        {
           
            Console.Write("OK");
            //Dim list As New List(Of String)()


            List<Employee> list = new List<Employee>();

            list = db.Database.SqlQuery<Employee>("SELECT * FROM  Employee where Name like '%" + searchInput + "%' ").ToList();

            return Json(list, JsonRequestBehavior.AllowGet);
        }






    }


}



Now Let's create View:



<script src="~/Scripts/jquery-3.3.1.min.js"></script>

<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>


<input type="text" id="searchInput" />





<script>





    $(document).ready(function () {
        var ffdata = [];
        ffdata.length = 0;
        $("#searchInput").autocomplete({

                source: function (request, response) {
                    $.ajax({
                        url: '@Url.Action("getffvalue", "Home")',

                        dataType: "json",
                        data: {
                            ffvalue: request.term
                        },
                        success: function (data) {


                            // $.each($(data), function () {
                            for (var i = 0; i < data.length; i++) {
                                // alert("detailtable:");
                                ffdata.push({
                                    value: data[i].Name,
                                    label: data[i].Name

                                });
                        }
                            //});
                            console.log("Datasss" + JSON.stringify(ffdata));
                            response(ffdata);

                        },
                        error: function (response) {
                            alert("RESPOSNSE TEXT" + response.responseText);
                        },
                        failure: function (response) {
                            alert("RESPOSNSE TEXT failure" + response.responseText);
                        }
                    });
                },
                minLength: 1,
                    select: function (event, ui) {
                        //log( "Selected: " + ui.item.value + " aka " + ui.item.category);
                        //$(".item_value").text(ui.item.label);
                        //$(".item_cate").text(ui.item.value);
                        $("#searchInput").val(ui.item.value);
                    }
                });

        });
   


</script>

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