Submitting image path to the database - asp.net-mvc

Im looking enter in some data and then save it into a DB table,The other fields work just fine when submitted to the database. but when it comes to saving the image path it gives null. Ive searched online and everything i find is out of date and doesn't work for the most part.
Controller
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Insert([Bind(Include ="id, ImageName, ImageSize")] ImageInfo info, HttpPostedFileBase ImagePath)
{
if(ModelState.IsValid)
{
if (ImagePath != null)
{
var filename = Path.GetFileName(ImagePath.FileName);
var path = Path.Combine(Server.MapPath("~/Uploads"), filename);
ImagePath.SaveAs(path);
ImagePath.SaveAs(HttpContext.Server.MapPath("~/Uploads") + ImagePath.FileName);
info.ImagePath = ImagePath.FileName;
}
db.ImageInfoes.Add(info);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(info);
}
View
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
#Html.ValidationSummary(true)
<fieldset>
<legend>Image</legend>
<div class="editor-label">
<div class="form-horizontal">
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.LabelFor(model => model.id, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.id, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.id, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.ImageName, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.ImageName, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.ImageName, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.ImageSize, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.ImageSize, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.ImageSize, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#*#Html.TextBoxFor(model => model.ImagePath, new { type = "file" })*#
<input type="file" name="ImagePath" id="ImagePath" />
#Html.ValidationMessageFor(model => model.ImagePath, "", new { #class = "text-danger" })
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
</div>
</fieldset>
DB
Any help would be great!.

You want to add enctype="multipart/form-data" to form tag.
I personally like to rename HttpPostedFileBase parameter name to file not to confuse with ImageInfo.ImagePath.
View
#using (Html.BeginForm("Index","Start",FormMethod.Post,new {enctype="multipart/form-data"}))
{
#Html.AntiForgeryToken()
#Html.ValidationSummary(true)
<fieldset>
<legend>Image</legend>
<div class="editor-label">
<div class="form-horizontal">
<hr/>
...
<div class="form-group">
#* Notice name and id are named as file *#
<input type="file" name="file" id="file"/>
#Html.ValidationMessageFor(model => model.ImagePath, "", new {#class = "text-danger"})
</div>
...
</div>
</div>
</fieldset>
}
Model
public class ImageInfo
{
public string Id { get; set; }
public string ImageName { get; set; }
public string ImageSize { get; set; }
public string ImagePath { get; set; }
}
Action Method
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Index([Bind(Include = "id, ImageName, ImageSize")] ImageInfo info,
HttpPostedFileBase file)
{
if (ModelState.IsValid)
{
if (file != null)
{
file.SaveAs(Server.MapPath("~/Uploads") + file.FileName);
info.ImagePath = file.FileName;
}
/*db.ImageInfoes.Add(info);
db.SaveChanges();*/
return RedirectToAction("Index");
}
return View(info);
}

Related

How do I create a new db entry and populate the foreign key based on autocomplete selection of that foreign key object?

I have a ASP.NET MVC application i am developing, and have a repair model that includes a foreign key to a serial number model. In my view i have a typeahead jquery doing a autocomplete search through database to allow the user to select a serial number already in the database. I then have fields to fill out new information that will populate the repair table. I cannot seem to get the selected SerialNumber.Id to populate in the Repair.SerialNumber_Id from the selected serial number.
my view:
#model EntityTestApp.Models.Repair
#{
ViewBag.Title = "Create";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<h2>Create</h2>
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>Repair</h4>
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.LabelFor(model => model.RepairDate, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.RepairDate, new {htmlAttributes = new { #class = "form-control", #Value = DateTime.Now.ToShortDateString() } })
#Html.ValidationMessageFor(model => model.RepairDate, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.SerialNumber, htmlAttributes: new { #class = "control-label col-md-2"})
<div class="col-md-10">
<input id="serialNumberTextBox" type="text" value="" class="form-control" />
#Html.ValidationMessageFor(model => model.SerialNumber, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.CustomerComplaint, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.TextAreaFor(model => model.CustomerComplaint, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.CustomerComplaint, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.IssueFound, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.TextAreaFor(model => model.IssueFound, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.IssueFound, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.RepairActionTaken, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.TextAreaFor(model => model.RepairActionTaken, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.RepairActionTaken, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
#Html.ActionLink("Back to List", "Index")
</div>
#section scripts{
<script>
$(document).ready(function () {
var SerialNumbers = new Bloodhound({
datumTokenizer: Bloodhound.tokenizers.obj.whitespace('Number'),
queryTokenizer: Bloodhound.tokenizers.whitespace,
remote: {
url: '/api/serialnumbers?query=%QUERY',
wildcard: '%QUERY'
}
});
$('#serialNumberTextBox').typeahead({
highlight: true
}, {
name: 'SerialNumbers',
display: 'Number',
source: SerialNumbers
}).on("typeahead:select", function (e, SerialNumber) {
//alert(serialNumberTextBox.value)
});
});
</script>
}
my Controller action to create a new repair entry:
// GET: Repairs/Create
public ActionResult Create()
{
return View();
}
// POST: Repairs/Create
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(Repair repair)
{
if (ModelState.IsValid)
{
db.Repairs.Add(repair);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(repair);
}
And my repair model:
public class Repair
{
public int Id { get; set; }
[DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]
public DateTime RepairDate { get; set; }
public SerialNumber SerialNumber { get; set; }
public string CustomerComplaint { get; set; }
public string IssueFound { get; set; }
public string RepairActionTaken { get; set; }
}
Ok, several hair pulling nights later i figured it out. I had to add a hidden field to hold the value for the foreign key and assign that value based on the 'typeahead' javascript autocomplete selection with "document.getElementById('').
Works like a charm. Thanks for the help!
-Chris

Upload a HttpPostedFileBase for image but always null

I am new to MVC and web programming.
My uploading image is working fine, but when I use almost the exact same code to allow user to modify its upload, it HttpPostedFileBase is always null. Driving me crazy...
here is the model
public class ModifyGenreViewModel
{
public int Id { get; set; }
[Display(Name = "Nom du style")]
public string Name { get; set; }
[Display(Name = "Image")]
public HttpPostedFileBase Image { get; set; }
}
and the view
#using (Html.BeginForm("ModifyGenre", "Upload", null, FormMethod.Post, new { enctype = "multipart/form-data" }))
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>#Resource.StyleCreationHeader</h4>
<hr />
#Html.ValidationMessageFor(model=>Model)
<div class="form-group" style="display:none">
#Html.LabelFor(model => model.Id, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-5">
#Html.EditorFor(model => model.Id, new { htmlAttributes = new { #class = "form-control" } })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Name, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-5">
#Html.EditorFor(model => model.Name, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Name, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Image, new { #class = "control-label col-md-2" })
<div class="col-md-10">
<input type="file" data-val="true" id="ModifyGenreViewModel_Image" name="ModifyGenreViewModel.Image" />
#Html.ValidationMessageFor(model => model.Image, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="#Resource.Modify" class="btn btn-primary" />
</div>
</div>
</div>
}
When I set the breakpoint in my controller, I see the Id and the name, but Image is always null.
Thank's for your help!
The name property value of your file input should match with the view model property name for model binding to work properly.
Change the input field name to "Image"
<input type="file" data-val="true" id="ModifyGenreViewModel_Image" name="Image" />
Assuming your HttpPost action method accepts the ModifyGenreViewModel object as parameter.
[HttpPost]
public ActionResult ModifyGenre(ModifyGenreViewModel model)
{
// to do : return something
}
In model class change it to public String Image { get; set; }
In .cshtml page change it to #Html.TextBoxFor(m => m.Image, new {
type = "file", name="Image" })
In Controller you should use the name what you have decleared in html helper HttpPostedFileBase Image

Why DefaultModelBinder doesn't bind route value ID from URL

ASP.NET MVC
In short:
I have a get action and a post action
when I type in browser localhost:port/Employee/Edit/1 I call get action, so in URL I have this whole url string. When I press submit button, in post action defaultmodelbinder doesnt bind id from URL!!!! I HAVE TO ADD HIDDEN FIELD for id. But why? I also have delete action (post), that gets id too, and I dont need to add hidden field for id. why?
More specifically:
I have the model:
public class EmployeeViewModel
{
public Int32 EmployeeId { get; set; }
public String Name { get; set; }
public String Phone { get; set; }
public String Email { get; set; }
public String Other { get; set; }
}
And 2 actions
public ActionResult Edit(int id)
{
try
{
EmployeeViewModel model;
using (var dbSession = NHibernateHelper.OpenSession())
{
var employee = dbSession.Query<Employee>().First(e => e.EmployeeId == id && e.ExpireDate==null);
model = new EmployeeViewModel(employee);
}
return View(model);
}
catch
{
return View("Error");
}
}
[HttpPost]
public ActionResult Edit(EmployeeViewModel model)
{
try
{
using (var dbSession=NHibernateHelper.OpenSession())
using (var transaction=dbSession.BeginTransaction())
{
var employee = model.ToEmployee();
dbSession.Merge(employee);
transaction.Commit();
}
return RedirectToAction("Index");
}
catch
{
return View("Error");
}
}
And 1 View (HERE I HAVE TO WRITE THIS LINE #Html.HiddenFor(model => model.EmployeeId) )
#using (Html.BeginForm()){
#Html.AntiForgeryToken()
<div class="form-horizontal">
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.HiddenFor(model => model.EmployeeId)
#Html.LabelFor(model => model.Name, htmlAttributes: new {#class = "control-label col-md-2"})
<div class="col-md-10">
#Html.EditorFor(model => model.Name, new {htmlAttributes = new {#class = "form-control"}})
#Html.ValidationMessageFor(model => model.Name, "", new {#class = "text-danger"})
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Phone, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Phone, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Phone, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Email, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Email, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Email, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Other, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Other, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Other, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Сохранить" class="btn btn-default" />
</div>
</div>
</div>}
Because the parameter in the method is named id and the property in
your model is named EmployeeId They are not the same. And if you
change the model property to Id it will be bound
Thanks, Stephen Muecke

ViewBag does not work

I'm trying to create an MVC site and I have some trubble with the ViewBag.
It's like it can't contain elements.
I'm using MVC 4.
This is my function in the controller:
public ActionResult Create()
{
ViewBag.DiscID = new SelectList(entities.Disc, "ID", "ID");
ViewBag.StarID = new SelectList(entities.Star, "ID", "Name");
ViewBag.Num = 7;
return View();
}
This is my Create view:
#model Movies.Models.StarAndRole
#{
ViewBag.Title = "Create";
int num;
int.TryParse(ViewBag.Num, out num);
}
<h2>Create</h2>
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>StarAndRole</h4>
<h3>num is = #num</h3>
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.LabelFor(model => model.StarID, "Star", htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.DropDownList("StarID", null, htmlAttributes: new { #class = "form-control" })
#Html.ValidationMessageFor(model => model.StarID, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Description, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Description, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Description, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.DiscID, "Disc Num", htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.DropDownList("DiscID", null, htmlAttributes: new { #class = "form-control" })
#Html.ValidationMessageFor(model => model.DiscID, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
#Html.ActionLink("Back to List", "Index")
</div>
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
It appears to me that everything I put in the ViewBag is NULL.
What am i doing wrong?
Thank you in advance!
Int.TryParse method accepts a string (representation of the int value). But you are passing a dynamic type to the method. It should give you an error about that.
If you know you are setting an Int value from your action method, in your view, you can simply read it like
int num = ViewBag.Num;
A better solution is to add the data you want to pass to the view to your view model.
public class YourCreateVm
{
public string Description { set;get;}
public int Num { set;get;}
public List<SelectListItem> Disks { set;get;}
public int SelectedDiskId { set;get;}
}
and in your GET view
public ActionResult Create()
{
var vm = new YourCreateVm { Num = 7 };
vm.Disks = entities.Disc.Select(s=> new SelectListItem
{ Value=s.ID.ToString(), Text =s.Name}).ToList();
return View(vm);
}
and in your view
#model YourCreateVm
#using(Html.BeginForm())
{
<p>My num is : #Model.Num <p>
#Html.TextBoxFor(s=>s.Description)
#Html.DropDownListFor(s=>s.SelectedDiskId, Model.Disks)
<input type="submit" />
}

Don't fire a required validator for

I have the following model:
public class Model1
{
[Required(ErrorMessage="E1")]
public string Name { get; set; }
[Required(ErrorMessage="E2")]
[RegularExpression(".+\\#.+\\..+")]
public string Email { get; set; }
[Required(ErrorMessage="E3")]
public bool WillAttend { get; set; }
}
controller action:
public ActionResult Model1()
{
Model1 m = new Model1();
return View(m);
}
and view:
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>Model1</h4>
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.LabelFor(model => model.Name, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Name, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Name, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Email, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Email, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Email, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.WillAttend, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
<div class="checkbox">
#Html.EditorFor(model => model.WillAttend)
#Html.ValidationMessageFor(model => model.WillAttend, "", new { #class = "text-danger" })
</div>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
}
problem is required validator for WillAttend property does not work. Even in action method, ModelState.IsValid is true. Why and how to do WillAttend is required ?
At the moment, your required-attribute just checks whether a value was specified. Since a boolean is either true or false, the validation will never fail.
You can, mark the boolean as nullable:
public bool? WillAttend { get; set; }
or you can try to make a custom validator if you are trying to force them to check the box, such as in this link.

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