How to upload Multiple File in ASP.NET MVC
By FoxLearn 11/13/2024 1:42:16 AM 60
In ASP.NET MVC, uploading multiple files can be done easily using the HttpPostedFileBase class.
You can create a view model to represent the file upload. This step is optional, but it will make it easier to bind the data in the controller.
public class FileUploadViewModel { public IEnumerable<HttpPostedFileBase> Files {get;set;} }
In your controller, you can create an action to show the file upload form.
For example, create a FileUploadController
and add an action to display the view.
public class FileUploadController : Controller { // Display the upload form public ActionResult Index() { return View(); } // Handle file upload [HttpPost] public ActionResult Upload(FileUploadViewModel model) { if (model.Files != null) { foreach (var file in model.Files) { if (file != null && file.ContentLength > 0) { // Generate a unique file name and save it to a location var fileName = Path.GetFileName(file.FileName); var path = Path.Combine(Server.MapPath("~/files"), fileName); file.SaveAs(path); } } ViewBag.Message = "Files uploaded successfully."; } else { ViewBag.Message = "No files selected."; } return View("Index"); } }
Now, create a view to display the file upload form.
@model YourNamespace.FileUploadViewModel @{ ViewBag.Title = "Upload Multiple Files"; } <h2>Upload Multiple Files</h2> @using (Html.BeginForm("Upload", "FileUpload", FormMethod.Post, new { enctype = "multipart/form-data" })) { <div> <label>Select Files:</label> <input type="file" name="Files" multiple="multiple" /> </div> <div> <button type="submit">Upload</button> </div> } @if (ViewBag.Message != null) { <div>@ViewBag.Message</div> }
In the Upload
POST action in your controller, you handle the file saving logic. Each file is saved with its original file name in the ~/files
directory on the server.
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