MVC- upload and Save Images as a String (Base64 to String)

MVC- upload and Save Images as a String (Image To Base64String)

Step1: index.cshtml

  @using (Html.BeginForm("UserRegister", "UserRegistration", FormMethod.Post, new { enctype = "multipart/form-data", @class = "msform", role = "form" }))
                    {
                        <div class="col-md-6 col-md-offset-3">
                        <center><div id="dvPreview" name="dvPreview" class="prw"><img id="imgPreview" name="imgPreview" src="~/images/Browse.png" style="padding: 10px;border-radius: 100%;margin-bottom: 20px;" /></div></center>
                        <input type="file" id="img" name="img" />
                        <center><input type="submit" id="btnSubmit" value="Next" class="next action-button" /> </center>  </div>
                    }

step2: controller.cs
using System.Drawing.Imaging;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.IO;

 public ActionResult UserRegister(HttpPostedFileBase img)
        {
            if (ModelState.IsValid)
            {
                if (img == null)
                {
                    ModelState.AddModelError("File", "Please Upload Your file");
                }
                else if (img.ContentLength > 0)
                {
                    int MaxContentLength = 1024 * 1024 * 3; //3 MB
                    string[] AllowedFileExtensions = new string[] { ".jpg", ".gif", ".png", ".PNG", ".JPG", ".GIF" };

                    if (!AllowedFileExtensions.Contains(img.FileName.Substring(img.FileName.LastIndexOf('.'))))
                    {
                        ModelState.AddModelError("File", "Please file of type: " + string.Join(", ", AllowedFileExtensions));
                    }

                    else if (img.ContentLength > MaxContentLength)
                    {
                        ModelState.AddModelError("File", "Your file is too large, maximum allowed size is: " + MaxContentLength + " MB");
                    }
                    else
                    {
                        if (Request.Files.Count > 0)
                        {
                            if (Request.Files[0].ContentLength > 0)
                            {
                                byte[] buf;  // byte array
                                Stream stream = img.InputStream;  //initialise new stream
                                buf = new byte[stream.Length];  //declare arraysize
                                stream.Read(buf, 0, buf.Length); // read from stream to byte array
                                string ProfileImage = Convert.ToBase64String(buf);
                                Session["Image"] = ProfileImage.ToString();                            }
                        }
                    }
                }
            }
            return RedirectToAction("UserRegisterStep2", "UserRegistration");
        }





MVC- Display Images from (Base64String to Images)


 Ste1:index.cshtml

<img src="data:image/jpg;base64,' + TEST + '" name="imgPreview" class="img-rounded" id="center_images" />

step2: controller.cs

Model.TEST ="string from Databse";