Single File Upload in ASP.NET MVC

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29 Sep, 2018 Categories: ASP.NET MVC


Create ASP.NET MVC Project

On the Visual Studio, create new ASP.NET MVC Web Application project

Select Empty Template and Core Reference is MVC

Images Folder

Create new folder named Content. In this folder, create new folder named Images




Entity Class

In Models folder, create new entities class as below:

Product.cs

Create new class named Product.cs as below:

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

namespace LearnASPNETMVCWithRealApps.Models
{
    public class Product
    {
        public string Id { get; set; }
        public string Name { get; set; }
        public double Price { get; set; }
        public string Photo { get; set; }
    }
}

Create Controller

In Controllers folder, create new controller named ProductController.cs as below:

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

namespace LearnASPNETMVCWithRealApps.Controllers
{
    public class ProductController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            return View("Index", new Product());
        }

        [HttpPost]
        public ActionResult Save(Product product, HttpPostedFileBase photo)
        {
            if (photo != null)
            {
                photo.SaveAs(Server.MapPath("~/Content/Images/" + photo.FileName));
                product.Photo = photo.FileName;
            }
            ViewBag.product = product;
            return View("Success");
        }

    }
}

Create View

In Views/Product folder, create new razor views as below:

Index View

Create new view named Index.cshtml as below:

@{
    Layout = null;
}
@model LearnASPNETMVCWithRealApps.Models.Product

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>
</head>
<body>

    @using (Html.BeginForm("Save", "Product", FormMethod.Post, new { enctype = "multipart/form-data" }))
    {
        <table cellpadding="2" cellspacing="2">
            <tr>
                <td>Id</td>
                <td>@Html.TextBoxFor(model => model.Id)</td>
            </tr>
            <tr>
                <td>Name</td>
                <td>@Html.TextBoxFor(model => model.Name)</td>
            </tr>
            <tr>
                <td>Price</td>
                <td>@Html.TextBoxFor(model => model.Price)</td>
            </tr>
            <tr>
                <td>Photo</td>
                <td>
                    <input type="file" name="photo" />
                </td>
            </tr>
            <tr>
                <td>&nbsp;</td>
                <td><input type="submit" value="Save" /></td>
            </tr>
        </table>
    }

</body>
</html>

Success View

Create new view named Success.cshtml as below:

@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Success</title>
</head>
<body>

    <h3>Product Info</h3>
    <table cellpadding="2" cellspacing="2" border="1">
        <tr>
            <td>Id</td>
            <td>@ViewBag.product.Id</td>
        </tr>
        <tr>
            <td>Name</td>
            <td>@ViewBag.product.Name</td>
        </tr>
        <tr>
            <td>Price</td>
            <td>@ViewBag.product.Price</td>
        </tr>
        <tr>
            <td>Photo</td>
            <td><img src="~/Content/Images/@ViewBag.product.Photo" width="120" /></td>
        </tr>
    </table>
</body>
</html>

Structure of ASP.NET MVC Project




Run Application

Access Index action in Product controller with following url: http://localhost:49328/Product/Index

Output

Input new product information and select a photo need upload to Images folder

Click Save button submit form to Save action in Product controller with following url: http://localhost:49328/Product/Save

Output

References

I recommend you refer to the books below to learn more about the knowledge in this article:


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