Jquery AutoComplete TextBox with database In Asp .Net MVC

In this Asp .net MVC tutorial we will learn about How to create Textbox Autocomplete functionality in asp .net MVC. Jquery autocomplete plugin provides us suggestions when we type in some words in Textbox. In this asp .net mvc tutorial we will create database, then create MVC controller to get data from database and then we will create view to implement Textbox autocomplete functionality. Our final output will be like this:

 

Jquery AutoComplete TextBox with database In ASP .NET MVC

 

For asp .net webforms you can check this: Textbox autocomplete using jquery in asp .net

Create Database

In this step we will create database table to fetch countries data to create Jquery AutoComplete TextBox with database In ASP .NET MVC.
        CREATE TABLE [dbo].[Country](
    	[Id] [int] IDENTITY(1,1) NOT NULL PRIMARY KEY,
	    [Name] [nvarchar](100) NULL,
        )
    
Jquery AutoComplete TextBox with database In ASP .NET MVC To communicate with database we will use ADO.NET Entity Data Model. In this example I have used database first approach. If you are not familliar with Entity Framework, you can check this tutorial: Entity Framework Database First, Step by Step Tutorial.

Create Controller

In this step we will create controller and create method to get countries data on request.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace Mvc_JqueryAutoComplete.Controllers
{
    public class HomeController : Controller
    {
        private AutoCompleteEntities db = new AutoCompleteEntities();

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

        [HttpPost]
        public JsonResult GetCountries(string Prefix)
        {

            var Countries = (from c in db.Countries
                             where c.Name.StartsWith(Prefix)
                             select new { c.Name, c.Id });
            return Json(Countries, JsonRequestBehavior.AllowGet);
        }
    }
}

    

Create View

In this step we will create strongly typed view to display Jquery AutoComplete TextBox with database In ASP .NET MVC. We will also reference required Jquery and CSS files and call our controller method to get autocomplete data.
@model Mvc_JqueryAutoComplete.Country
@{
    ViewBag.Title = "Index";
    Layout = "~/Views/Shared/_Layout.cshtml";
}


@using (Html.BeginForm())
{  
    @Html.AntiForgeryToken()  
    <div class="form-group">
        @Html.LabelFor(model => model.Name, htmlAttributes: new { @class = "control-label col-md-2" })
        <div class="col-md-4">
            @Html.TextBoxFor(model => model.Name, htmlAttributes: new { @class = "form-control" })
        </div>
    </div>
}

<link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/start/jquery-ui.css">
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
<script type="text/javascript">
    $(document).ready(function () {
        $("#Name").autocomplete({
            source: function (request, response) {
                $.ajax({
                    url: "/Home/GetCountries",
                    type: "POST",
                    dataType: "json",
                    data: { Prefix: request.term },
                    success: function (data) {
                        response($.map(data, function (item) {
                            return { label: item.Name, value: item.Name };
                        }))

                    }
                })
            },
            messages: {
                noResults: "",
                results: function (count) {
                    return count + (count > 1 ? ' results' : ' result ') + ' found';
                }
            }
        });
    })
</script>

    

Important Notes:

  • Textbox Id's must be same. Jquery AutoComplete TextBox with database In ASP .NET MVC
  • Make sure to check BundleConfig.cs file inside App_Start folder to ensure you are not referencing any duplicate CSS or Jquery Scripts. E.g. If you have already referenced Jquery in your BundleConfig.cs file, then there is no need to call Jquery script on Index page.

Jquery AutoComplete TextBox with database In ASP .NET MVC Demo

Jquery AutoComplete TextBox with database In ASP .NET MVC
 
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