Sunday, March 12, 2017

Part 35 - Download image from URL and save to SQL Server using Jquery in Asp.net MVC




#Expected Output 



#Controller Code(TestController.cs)


using MVCTutorial.Models;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Threading;
using System.Web;
using System.Web.Mvc;

namespace MVCTutorial.Controllers
{
    public class TestController : Controller
    {

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

        public ActionResult SideMenu()
        {

            return PartialView("SideMenu");

        }
        public JsonResult ImageUpload(ProductViewModel model)
        {

            MVCTutorialEntities db = new MVCTutorialEntities();
            int imageId = 0;

            var file = model.ImageFile;

            byte[] imagebyte = null;

            if (file != null)
            {

                file.SaveAs(Server.MapPath("/UploadedImage/" + file.FileName));

                BinaryReader reader = new BinaryReader(file.InputStream);

                imagebyte = reader.ReadBytes(file.ContentLength);

                ImageStore img = new ImageStore();

                img.ImageName = file.FileName;
                img.ImageByte = imagebyte;
                img.ImagePath = "/UploadedImage/" + file.FileName;
                img.IsDeleted = false;
                db.ImageStores.Add(img);
                db.SaveChanges();

                imageId = img.ImageId;

            }

            if (model.ImageUrl != null)
            {

                imagebyte = DownloadImage(model.ImageUrl);
               
                ImageStore img = new ImageStore();

                img.ImageName = "Abc"; //file.FileName;
                img.ImageByte = imagebyte;
                img.ImagePath = model.ImageUrl;
                img.IsDeleted = false;
                db.ImageStores.Add(img);
                db.SaveChanges();

                imageId = img.ImageId;

            }

            return Json(imageId, JsonRequestBehavior.AllowGet);

        }

        public ActionResult ImageRetrieve(int imgID)
        {
            MVCTutorialEntities db = new MVCTutorialEntities();

            var img = db.ImageStores.SingleOrDefault(x => x.ImageId == imgID);

            return File(img.ImageByte, "image/jpg");


        }

        public byte[] DownloadImage(string Url)
        {
            var webclient = new WebClient();

            byte[] imagebytes = webclient.DownloadData(Url);

            return imagebytes;

        }


    }
}

  
#Model (ProductViewModel.cs) 


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

namespace MVCTutorial.Models
{
    public class ProductViewModel
    {
        public string ProductName { get; set; }
        public string Title { get; set; }
        public string Description { get; set; }
        public Nullable<int> Price { get; set; }
        public Nullable<int> ImageId { get; set; }
        public HttpPostedFileWrapper ImageFile { get; set; }
        public string ImageUrl { get; set; }
        
    }
}

 # View (Index.cshtml)


@model MVCTutorial.Models.ProductViewModel
@{
    ViewBag.Title = "Index";
    // Layout = null;
}

<div class="panel panel-body" style="min-height:256px">

    @*<div class="col-md-3">

        @{ Html.RenderAction("SideMenu", "Test");}

    </div>*@
    <div class="col-md-9">

        <div class="col-md-4">
            <div class="btn btn-primary">
                <input type="file" id="imageBrowes" />
            </div>
            <hr />

            <div id="imgPreview" class="thumbnail" style="display:none">
                <img class="img-responsive" id="targetImg" />
                <div class="caption">
                    <a href="#" onclick="ClearPreview()"><i class="glyphicon glyphicon-trash"></i></a>
                    <span id="description"></span>
                </div>
                <a href="#" class="btn btn-default" onclick="Uploadimage()">Upload</a>
            </div>
            <input type="text" class="form-control" id="url" />
            <a href="#" class="btn btn-primary btn-block" onclick="Uploadimage()"> Save Image by URL</a>
        </div>

 
       <div class="col-md-2 thumbnail" id="uploadedImage" >

           <img src="~/Content/loading.gif" height="20" width="20" style="display:none" id="loader"/>
       </div>
    </div>

    



</div>
<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<script>

    $(document).ready(function () {

        $("#imageBrowes").change(function () {



            var File = this.files;

            if (File && File[0]) {
                ReadImage(File[0]);
            }

        })


    })


    var ReadImage = function (file) {

        var reader = new FileReader;
        var image = new Image;

        reader.readAsDataURL(file);
        reader.onload = function (_file) {

            image.src = _file.target.result;
            image.onload = function () {

                var height = this.height;
                var width = this.width;
                var type = file.type;
                var size = ~~(file.size / 1024) + "KB";

                $("#targetImg").attr('src', _file.target.result);
                $("#description").text("Size:" + size + ", " + height + "X " + width + ", " + type + "");
                $("#imgPreview").show();

            }

        }

    }

    var ClearPreview = function () {
        $("#imageBrowes").val('');
        $("#description").text('');
        $("#imgPreview").hide();

    }

    var Uploadimage = function () {
     
        $("#loader").show();
        var file = $("#imageBrowes").get(0).files;
        var url = $("#url").val();

        var data = new FormData;
        data.append("ImageFile", file[0]);
        data.append("ProductName", "SamsungA8");
        data.append("ImageUrl", url);

        $.ajax({

            type: "Post",
            url: "/Test/ImageUpload",
            data: data,
            contentType: false,
            processData: false,
            success: function (imgID) {
                $("#loader").hide();

                ClearPreview();

                $("#uploadedImage").append('<img src="/Test/ImageRetrieve?imgID=' + imgID + '" class="img-responsive thumbnail"/>');


                //$("#uploadedImage").append('<img src="/UploadedImage/' + response + '" class="img-responsive thumbnail"/>');


            }

        })

        
        //
    }

</script>

 # Layout (_Layout.cshtml)


<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>@ViewBag.Title - My ASP.NET Application</title>
    @Styles.Render("~/Content/css")
    @Scripts.Render("~/bundles/modernizr")

</head>
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container-fluid">
            <!-- Brand and toggle get grouped for better mobile display -->
            <div class="navbar-header">
                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand" href="/Test/Index">
                    <img alt="Brand" src="~/Content/Images/logo.png" height="20" width="20">
                </a>
            </div>

            <!-- Collect the nav links, forms, and other content for toggling -->
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                <ul class="nav navbar-nav">
                    <li><a href="#"><span class="glyphicon glyphicon-home"></span></a></li>
                    <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Services <span class="caret"></span></a>
                        <ul class="dropdown-menu" role="menu" id="myTab">
                            <li role="presentation"><a href="#music" aria-controls="music" role="tab" data-toggle="tab"><span class="glyphicon glyphicon-music"> </span> Music & Dance</a></li>
                            <li class="divider"></li>
                            <li role="presentation"><a href="#training" aria-controls="training" role="tab" data-toggle="tab"><span class="glyphicon glyphicon-book"> </span> Summar Training</a></li>
                            <li class="divider"></li>
                            <li role="presentation"><a href="#website" aria-controls="website" role="tab" data-toggle="tab"><span class="glyphicon glyphicon-cloud"> </span> Website Building</a></li>
                        </ul>

                    </li>
                    <li><a href="#">About Us</a></li>
                    <li><a href="#">Career</a></li>
                </ul>
                <form class="navbar-form navbar-left" role="search">
                    <div class="form-group">
                        <input type="text" class="form-control" placeholder="Search">
                    </div>
                    <button type="submit" class="btn btn-default">Submit</button>
                </form>

                @if (Session["UserId"] != null) { 
                
                <ul class="nav navbar-nav navbar-right">
                    <li><a href="#">Welcome :@Session["UserName"]  </a></li>
                    <li><a href="/Test/Logout">Logout</a></li>

                </ul>
                
                }
                else { 
                 <ul class="nav navbar-nav navbar-right">
                    <li><a href="/Test/Login">Login</a></li>
                    <li><a href="/Test/Registration">Register</a></li>

                </ul>

                }
               
                }

            </div>
        </div>

    </nav>

    <div class="panel-body" style="min-height:450px">

        @RenderBody()


    </div>

    <div class="well" style="background-color:#000000;color:wheat;margin-bottom:0px">

        <div class="col-lg-4" style="margin-left:20px">

            <h3><span class="glyphicon glyphicon-map-marker"></span> Address</h3>
            <ul class="list-group list-unstyled">

                <li>Technotips Ltd.</li>
                <li>xyz Industrial Area</li>
                <li>Phase-2,New Delhi-52</li>
            </ul>
        </div>

        <div class="col-lg-4">

            <h3><span class="glyphicon glyphicon-cog"></span> Our Services</h3>
            <ul class="list-group list-unstyled">

                <li><span class="glyphicon glyphicon-music"></span> <a href="#">Musical & Dance Traning</a> </li>
                <li><span class="glyphicon glyphicon-book"></span>    <a href="#">Training in Asp.Net,Java,android etc.</a></li>
                <li><span class="glyphicon glyphicon-globe"></span> <a href="#">Web designing -corporate & Domestic</a> </li>

            </ul>
        </div>

        <div class="col-lg-3">

            <h3><span class="glyphicon glyphicon-briefcase"></span> Career</h3>
            <ul class="list-group list-unstyled">

                <li><span class="glyphicon glyphicon-music"></span> <a href="#">Musical & Dance</a> </li>
                <li><span class="glyphicon glyphicon-book"></span>  <a href="#">Summar training</a></li>
                <li><span class="glyphicon glyphicon-globe"></span>    <a href="#">Website Designing</a></li>

            </ul>
        </div>

        <div style="clear:both"></div>


    </div>


    @Scripts.Render("~/bundles/jquery")
    @Scripts.Render("~/bundles/bootstrap")
    
    <script src="~/Scripts/jquery.validate.js"></script>
    <script src="~/Scripts/jquery.validate.unobtrusive.min.js"></script>

    @RenderSection("scripts", required: false)


</body>
</html>


 #Database Script (MVCTutorial) 


USE [MVCTutorial]
GO
/****** Object:  Table [dbo].[ImageStore]    Script Date: 12-03-2017 00:16:17 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[ImageStore](
 [ImageId] [int] IDENTITY(1,1) NOT NULL,
 [ImageName] [nvarchar](1000) NULL,
 [ImageByte] [image] NULL,
 [ImagePath] [nvarchar](1000) NULL,
 [IsDeleted] [bit] NULL,
 CONSTRAINT [PK_ImageStore] PRIMARY KEY CLUSTERED 
(
 [ImageId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

GO
/****** Object:  Table [dbo].[Product]    Script Date: 12-03-2017 00:16:19 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[Product](
 [ProductId] [int] IDENTITY(1,1) NOT NULL,
 [Title] [nvarchar](200) NULL,
 [Description] [nvarchar](1000) NULL,
 [Price] [int] NULL,
 [ImageId] [int] NULL,
 CONSTRAINT [PK_Product] PRIMARY KEY CLUSTERED 
(
 [ProductId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO
ALTER TABLE [dbo].[Product]  WITH CHECK ADD  CONSTRAINT [FK_Product_ImageStore] FOREIGN KEY([ImageId])
REFERENCES [dbo].[ImageStore] ([ImageId])
GO
ALTER TABLE [dbo].[Product] CHECK CONSTRAINT [FK_Product_ImageStore]
GO

   

All Code Factory

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