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Cihan OFLAZ

Cihan OFLAZ

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File Upload Problem in MVC

Apr 29 2020 3:13 PM

Saving the list of documents created according to the reason selected by the user to the database and storing them on the server.

For example:
Three different documents for the 'X' reason
Five different documents for the 'Y' reason
Six different documents for the 'Z' reason 

I can create the list but i can't upload files. I have a problem that I can't understand.
 
It's a problem:  
HttpPostedFileBase returns null and Request.Files.Count returns zero.
 
My View:
  1. @model List<DocumentsMvc.Models.DocumentVM>    
  2. @{    
  3.     Layout = null;    
  4. }    
  5. <!DOCTYPE html>    
  6. <html>    
  7. <head>    
  8.     <meta name="viewport" content="width=device-width" />    
  9. </head>    
  10. <body>    
  11.     @using (Html.BeginForm("DocumentSave", "Documents", FormMethod.Post, new { id = "popupForm", enctype = "multipart/form-data" }))    
  12.     {    
  13.         @Html.AntiForgeryToken()    
  14.     
  15.         <h4>@ViewBag.Title</h4>    
  16.         <hr />    
  17.         @Html.ValidationSummary(true, "", new { @class = "text-danger" })    
  18.         <fieldset>    
  19.             <table>    
  20.                 <thead>    
  21.                     <tr>    
  22.                         <th>Row Number</th>    
  23.                         <th>Document Name</th>    
  24.                         <th>Document Date</th>    
  25.                         <th>Document No</th>    
  26.                     </tr>    
  27.                 </thead>    
  28.                 @if (Model != null && Model.Count > 0)    
  29.                 {    
  30.                     int j = 0, s = 0;    
  31.                     foreach (var i in Model)    
  32.                     {    
  33.                         <tr>    
  34.                             @if (i.RowNumber> 0)    
  35.                             {    
  36.                                 <td>@Html.DisplayFor(k => k[j].RowNumber, new { htmlAttributes = new { @class = "form-control" } })</td>    
  37.                             }    
  38.                             else    
  39.                             {    
  40.                                 s++;    
  41.                                 <td>@s</td>    
  42.                             }    
  43.     
  44.                             <td>@Html.DisplayFor(k => k[j].DocumentName, new { htmlAttributes = new { @class = "form-control" } })</td>    
  45.                             <td>@Html.EditorFor(k => k[j].DocumentDate, new { htmlAttributes = new { @class = "form-control" } })</td>    
  46.                             <td>@Html.EditorFor(k => k[j].DocumentNo, new { htmlAttributes = new { @class = "form-control" } })</td>    
  47.                             <td>@Html.TextBoxFor(k => k[j].UploadDocument, new { type = "file" })</td>    
  48.                         </tr>    
  49.                         j++;    
  50.                     }    
  51.                 }    
  52.             </table>    
  53.             <div class="row" style="border:ridge">    
  54.                 <div class="col-md-offset-2 col-md-4">    
  55.                     <input type="submit" value="Save" class="btn btn-success" />    
  56.                 </div>    
  57.             </div>    
  58.         </fieldset>    
  59.     }    
  60. </body>    
  61. </html>  
My Control:
  1. [HttpPost]  
  2. [ValidateAntiForgeryToken]  
  3. public ActionResult DocumentSave(List documentVM, HttpPostedFileBase[] UploadDocument)  
  4. {  
  5.     var MyFilesCount = Request.Files.Count;  
  6.   
  7.     var errors = ModelState.Where(f => f.Value.Errors.Count > 0).Select(s => new { s.Key, s.Value.Errors }).ToArray();  
  8.     bool state = false;  
  9.     if (ModelState.IsValid)  
  10.     {  
  11.         if (NewRow == true)  
  12.         {  
  13.            ...        
  14.         }  
  15.         db.SaveChanges();  
  16.         state = true;  
  17.     }  
  18.     return new JsonResult { Data = new { state = state } };  
  19. }  
My View Model:
  1. public class DocumentVM  
  2. {  
  3.     public int ID { get; set; }  
  4.     public int ReasonID { get; set; }  
  5.     public int RowNumber { get; set; }  
  6.     [DataType(DataType.Date)]  
  7.     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)]  
  8.     public DateTime DocumentDate { get; set; }  
  9.     public string DocumentNo { get; set; }              
  10.     public HttpPostedFileBase UploadDocument { get; set; }  
  11. }

Answers (2)