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How to get a CheckBox value in MVC C#

This is my view.
I'm starting with MVC C#.
Sorry if this is an a very easy question.
I'm trying to get a CheckBox value from the view. The idea is put some checkboxes on the view, convert these values to Int32, to concatenate on a string entity for afterlly save in my DB.
The checkboxes should not be linked to the model.
Could someone explain me how to do it and how to link the checkbox to the controller? I'm very confused.
This is my model.
namespace Crossdock.Models{
public class Roles
{
[Key]
[Column(Order = 0)]
public int RolID { get; set; }
[Display(Name = "Tipo de Usuario")]
public string Descripcion { get; set; }
[Display(Name = "Permisos")]
public string Permisos { get;set;}
//Permisos a validar por Área
//Guías
public bool GeneracionGuias { get; set; }
//CEDIS
public bool RecepcionPaquetes { get; set; }
public bool CrossdockTemporal { get; set; }
//Administración
public bool Catalogos { get; set; }
}
}
This is my controller code. Here is where i need parse the bool values from the model to int/string and concatenate for save on "Descripcion" string field.
// GET: Roles/Create
public ActionResult Create()
{
return View();
}
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(Roles cl)
{
if (!ModelState.IsValid)
{
return RedirectToAction("Index");
}
var rl = new Roles
{
RolID = 0,
Descripcion=cl.Descripcion,
Permisos=cl.Permisos,
};
objRol.Alta_Roles(rl);
return RedirectToAction("Index", new { area = "" });
}
This is my Create View.
#model Crossdock.Models.Roles
#{
ViewBag.Title = "Create";
}
<hr />
<h1>Registrar Nuevo Perfil de Permisos</h1>
<hr />
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.LabelFor(model => model.Descripcion, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Descripcion, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Descripcion, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Permisos, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Permisos, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Permisos, "", new { #class = "text-danger" })
</div>
</div>
<br />
<div class="container">
<div class="row justify-content-center">
<div class="col-4">
<h3>
Guías
</h3>
<span> | Generación de Guías: </span> #Html.CheckBoxFor(m => m.GeneracionGuias, true)
</div>
<div class="col-4">
<h3>
CEDIS
</h3>
<span> | Recepción de Paquetes: </span> #Html.CheckBoxFor(m => m.RecepcionPaquetes, false)
<br />
<span> | Crossdock Temporal: </span> #Html.CheckBoxFor(m => m.CrossdockTemporal, false)
</div>
<div class="col-4">
<h3>
Administración
</h3>
<span> | Catálogos: </span> #Html.CheckBoxFor(m => m.Catalogos, false)
</div>
</div>
</div>
<hr />
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Registrar" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
<br />
#Html.ActionLink("Regresar", "Index")
</div>
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}

ASP.NET core all model values are null when passing a model to the view

Goal: I have a page that I want to have a return url passed through the model of the view so upon completion of the form, it will return to the previous url. The page is a address validation and add it to the account as a saved address.
Flow of the page: You are presented with an address form to fill out. on completion, you will have a button that will call to a controller method that will verify with FedEx via API, and then if valid, it will let you save the address.
Issue: once you press the Verify Address button, it seems to have an issue with sending the form data to the controller.
HTTPGET:
public ActionResult AddShippingAddress(string strReturnURL)
{
// get states
ViewBag.states = GetStates();
DeliveryAddressModel model = new DeliveryAddressModel();
model.strReturnAddress = strReturnURL;
return View(model);
}
AddShippingAddress.chshtml
#model EcommerceWebsite.Models.Home.DeliveryAddressModel
#{
ViewBag.Title = "Shipping Address";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<br />
<div class="container">
<partial id="ValidateAddress"></partial>
#using (Html.BeginForm())
{
<h4>Shipping Address</h4>
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
<h5>Name</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strName, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strName, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<h5>Attention To</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strAttnTo, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strAttnTo, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<h5>Street</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strStreet1, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strStreet1, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<h5>Street 2</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strStreet2, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strStreet2, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<h5>City</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strCity, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strCity, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#{
IEnumerable<SelectListItem> dataItems = ViewBag.states;
}
<div class="form-group">
<h5>State</h5>
<div class="col-md-10">
#Html.DropDownListFor(model => model.State.IntStateId, dataItems, "-- Select --", new { #class = "form-control" })
#Html.ValidationMessageFor(model => model.State.IntStateId, "", new { #class = "text-danger" })
</div>
</div>
</div>
<div class="form-group">
<h5>Zip</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strZip, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strZip, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<h5>Phone Number</h5>
<div class="col-md-10">
#Html.EditorFor(model => model.strPhoneNumber, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.strPhoneNumber, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
<h5>Set as Default</h5>
<div class="col-md-10">
<div class="checkbox">
#Html.EditorFor(model => model.blnIsDefault)
#Html.ValidationMessageFor(model => model.blnIsDefault, "", new { #class = "text-danger" })
</div>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<button type="button" class="btn btn-primary" data-ajax-method="get" data-toggle="ajax-modal"
data-url="#Url.Action("GetValidationOnAddress", new { model = Model })">
Verify Address
</button>
</div>
</div>
}
</div>
<script>
$(function () {
var PlaceHolderElement = $('#ValidateAddress');
$('button[data-toggle="ajax-modal"]').click(function (event) {
event.preventDefault();
var url = $(this).data('url');
// get the form containing the submit button
var form = $(this).closest('form')
// serialize all the fields in the form
var model = form.serialize();
// the the request to the url along with the form (model) data
$.get(url, model).done(function (data) {
PlaceHolderElement.html(data);
PlaceHolderElement.find('.modal').modal('show');
//$('#ValidateAddress').modal('show');
})
})
})
</script>
Here is the partial:
#model EcommerceWebsite.Models.Home.DeliveryAddressModel
<div class="modal fade" id="ValidateAddress">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="ValidateAddressLabel">Validate Address</h4>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
#using (Html.BeginForm("AddShippingAddressToUser", "Home"))
{
#Html.HiddenFor(x => x.strName)
#Html.HiddenFor(x => x.strAttnTo)
#Html.HiddenFor(x => x.strStreet1)
#Html.HiddenFor(x => x.strStreet2)
#Html.HiddenFor(x => x.strCity)
#Html.HiddenFor(x => x.State.StrStateCode)
#Html.HiddenFor(x => x.State.StrStateName)
#Html.HiddenFor(x => x.State.IntStateId)
#Html.HiddenFor(x => x.strZip)
#Html.HiddenFor(x => x.strPhoneNumber)
#Html.HiddenFor(x => x.blnIsDefault)
<div class="modal-body">
<form action="Create">
<div class="form-group">
#if (Model.ErrorMessage == null)
{
<h5>#Model.strName</h5>
#if (Model.strAttnTo != null)
{<h5>#Model.strAttnTo</h5>}
<h5>#Model.strStreet1</h5>
#if (Model.strStreet2 != null)
{<h5>#Model.strStreet2</h5>}
<h5>#Model.strCity</h5>
<h5>#Model.State.StrStateCode</h5>
<h5>#Model.strZip</h5>
<h5>#Model.strPhoneNumber</h5>
<div class="modal-footer">
<button type="submit" value="Save" class="btn btn-primary">Save</button>
<button type="button" value="Edit" class="btn btn-secondary" data-dismiss="modal">Edit</button>
</div>
}
else
{
<h4>#Model.ErrorMessage</h4>
}
</div>
</form>
</div>
}
</div>
</div>
</div>
When all is said and done and the get validation button is pressed, it's supposed to send all the data to the controller and Verify the address with FedEx. But everything is null..
Now something to note, when I change the return of the httpget to return View(); everything works except it doesn't send the URL.
Update:
The AddShippingAddressToUser() hasn't even been called yet. The error lies somewhere in lines 101 - 102. Inside the button or the line 618 on the home controller.
Update: Here's the Model
public class DeliveryAddressModel
{
//[Required]
//[Display(Name = "First & Last Name")]
public string strName { get; set; }
//[Display(Name = "Attention To")]
public string strAttnTo { get; set; }
//[Required]
//[Display(Name = "Street 1")]
public string strStreet1 { get; set; }
//[Display(Name = "Street 2")]
public string strStreet2 { get; set; }
//[Required]
//[Display(Name = "City")]
public string strCity { get; set; }
//[Required]
//[Display(Name = "State")]
public Tstate State { get; set; }
//[Required]
//[Display(Name = "Zipcode")]
public string strZip { get; set; }
//[Required(ErrorMessage = "You must provide a phone number")]
//[Display(Name = "Phone Number")]
//[DataType(DataType.PhoneNumber)]
//[RegularExpression(#"^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$", ErrorMessage = "Not a valid phone number")]
public string strPhoneNumber { get; set; }
public bool blnIsDefault { get; set; }
public string ErrorMessage { get; set; }
public string strReturnAddress { get; set; }
}

First thing, since your form's function isnt a retrieval operation and a creational operation, use the http verb POST and not GET. Replace the HttpVerb filter above your action from HttpGet to HttpPost.
Second add this:
#using (Html.BeginForm("AddShippingAddressToUser", "Home", FormMethod.Post))
Alternatively,
#using (Html.BeginForm("AddShippingAddressToUser", "Home", FormMethod.Get))
Before your model in the action add: [FromQuery]

Insert data into database from another models view

I have two model classes for my project,
public class BookModel
{
public Int64 ISBN { get; set; }
public DateTime AddedDate { get; set; }
public bool isActive { get; set; }
public int Quantity { get; set; }
public int? FormatID { get; set; }
public virtual FormatModel Format { get; set; }
}
and
public class FormatModel
{
public FormatModel()
{
Books = new HashSet<BookModel>();
}
public int ID { get; set; }
public string Value { get; set; }
public virtual ICollection<BookModel> Books { get; }
}
I want to create a modal in my Create.cshtml file to add a new format if the specified format doesn't exist.
How can I create a Submit button for my modal to add the format in FormatModel?
This is my view:
#model RookBookMVC.Models.BookModel
#{
ViewBag.Title = "Create";
Layout = "~/Views/Shared/_Layout.cshtml";
ViewBag.ReturnUrl = "/Book/Create";
}
<h2>Create</h2>
#using (Html.BeginForm("Create", "Book", FormMethod.Post))
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>BookModel</h4>
<hr />
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group">
#Html.LabelFor(model => model.FormatID, "FormatID", htmlAttributes: new { #class = "control-label col-md-2" })
<div class="input-group col-md-10">
#Html.DropDownList("FormatID", null, "Select Book Format", htmlAttributes: new { #class = "form-control" })
<div class="input-group-append">
<button type="button" class="btn btn-secondary" data-toggle="modal" data-target="#exampleModalCenter">
Add New
</button>
</div>
</div>
#Html.ValidationMessageFor(model => model.FormatID, "", new { #class = "text-danger" })
</div>
<div class="form-group">
#Html.LabelFor(model => model.ISBN, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.ISBN, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.ISBN, "", new { #class = "text-danger" })
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.Quantity, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Quantity, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Quantity, "", 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>
}
#using (Html.BeginForm("Create", "Format", FormMethod.Post))
{
#Html.AntiForgeryToken()
<div class="modal fade" id="exampleModalCenter" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLongTitle">Add New Format</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<div class="form-group">
#Html.LabelFor(model => model.Format.Value, htmlAttributes: new { #class = "control-label col-md-2" })
<div class="col-md-10">
#Html.EditorFor(model => model.Format.Value, new { htmlAttributes = new { #class = "form-control" } })
#Html.ValidationMessageFor(model => model.Format.Value, "", new { #class = "text-danger" })
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<input type="submit" value="Create Format" class="btn btn-default" />
</div>
</div>
</div>
</div>
}
<div>
#Html.ActionLink("Back to List", "Index")
</div>
#section Scripts {
#Scripts.Render("~/bundles/jqueryval")
}
after I click on the 'Create Format' button. it returns false for ModelState.IsValid and doesn't add any data to my database
What should I do for making 'Create Format' Button make a new Entity for Format and save it in my database?
for Additional I need to create two models via a single page

You might have to create a View Model and pass the view model property as parameter to the Action - Format/ Create post.
ViewModel property:
public string FormatValue { get; set; }
Modal view:
#Html.EditorFor(model => model.FormatValue, new { htmlAttributes = new { #class = "form-control" } })
Controller code with parameter as the same name as the view model property being passed from the modal form:
[HttpPost]
public ActionResult Create(string formatValue)
{
using (var dataContext = new YourDbContextModel())
{
FormatModel fmtModel = new FormatModel();
fmtModel.Value = formatValue;
// rest of your code to save data
}
}

public class MYViewModel{ public string FormatValue { get; set; } }
Create.cshtml
#model MYViewModel
<div>
#Html.EditorFor(model => model.FormatValue, new { htmlAttributes = new { #class = "form-control" } })
</div>
Do You Mean something Like that?
OR
public class MYViewModel{
public string FormatValue { get; set; }
Public BookModel Book {get; set;}
}

List<string> Property Mapping is not working

I have a List property (Mac) and I mapped it as follow:
View Model:
public class UserViewModel
{
public string Name { get; set; }
public string Email { get; set; }
public string Password { get; set; }
public virtual IList<string> Mac
{
get
{
return _Mac;
}
set
{
_Mac = value;
}
}
private IList<String> _Mac;
public string MacSerialized
{
get
{
return JsonConvert.SerializeObject(_Mac);
}
set
{
_Mac = JsonConvert.DeserializeObject<IList<string>>(value);
}
}
}
Razor View:
#model RouterManagement.Models.UserViewModel
#{
ViewBag.Title = "Register";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<h3>Register</h3> <br />
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
#Html.ValidationSummary(true, "", new { #class = "text-danger" })
<div class="form-group row">
#Html.LabelFor(model => model.Name, htmlAttributes: new { #class = "col-sm-2 col-md-1 col-form-label" })
<div class="col-sm-10 col-md-3">
#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 row">
#Html.LabelFor(model => model.Email, htmlAttributes: new { #class = "col-sm-2 col-md-1 col-form-label" })
<div class="col-sm-10 col-md-3">
#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 row">
#Html.LabelFor(model => model.Mac, htmlAttributes: new { #class = "col-sm-2 col-md-1 col-form-label" })
<div class="col-sm-10 col-md-3">
<span class="add-new-icon glyphicon glyphicon-plus-sign" id="add_mac"> </span>
#*Html.EditorFor(model => model.Mac, new { htmlAttributes = new { #class = "form-control", #id = "mac_addr" } })*#
#Html.EditorFor(model => model.MacSerialized, new { htmlAttributes = new { #class = "form-control", #id = "mac_addr" } })
#Html.ValidationMessageFor(model => model.MacSerialized, "", new { #class = "text-danger" })
<!-- <input name="Mac" class="form-control" id="mac_addr" /> -->
</div>
</div>
<div class="form-group row new_mac_wrapper">
<div class="col-md-offset-3">
<div class="new_mac_container">
</div>
</div>
</div>
<div class="form-group row">
<div class="col-md-offset-2 col-sm-10 col-md-2">
<input type="submit" value="Register" class="btn btn-primary col-sm-offset-1" />
</div>
</div>
}
And Action:
[HttpPost]
public ActionResult Register(UserViewModel model)
{
CancellationTokenSource cancelToken = new CancellationTokenSource();
AccountRegistrationRequestMessage requerstMessage = new AccountRegistrationRequestMessage();
requerstMessage.FullName = model.Name;
requerstMessage.EmailAddress = model.Email;
requerstMessage.MacAddresses = model.Mac;
requerstMessage.RegistrationType = AccountRegistrationEnum.IndividualAccountRegistration;
Task<AccountRegistrationResponseMessage> response = _interactor.Handle(requerstMessage, cancelToken.Token);
UserViewModel viewModel = _presenter.Handle(response.Result, model, ModelState);
if (response.Result.ValidationResult.IsValid)
{
//return View("DetailView", viewModel);
}
return View(viewModel);
}
When I submit data I am getting the following error:
Rendered form is look like:
Here, extra field of Mac is being created with jquery. Whats wrong in my approach? Don't address me bad as I am new in ASP.Net. Thanks for your time.

NullReferenceException ASP.NET MVC 5

I have a web application with this controller:
public class ServiceRequestController : Controller
{
[Authorize(Roles = "Customer")]
public ActionResult Create()
{
return View();
}
[Authorize(Roles = "Customer")]
public ActionResult CreateNewUserAccount()
{
return View();
}
[Authorize(Roles = "Customer")]
[HttpPost]
public ActionResult CreateNewUserAccount(ServiceRequest serviceRequest)
{
if (ModelState.IsValid)
{
serviceRequest.Log.Id = User.Identity.GetUserId().ToString();
serviceRequest.Log.DateTimeLogged = System.DateTime.Now;
serviceRequest.LogID = db.Logs.Max(item => item.LogID);
serviceRequest.EstimatedResolveDate serviceRequest.CalculateEstimatedResolveDate();
db.ServiceRequests.Add(serviceRequest);
db.SaveChanges();
return RedirectToAction("AllServiceRequests", "Log");
}
return View(serviceRequest);
}
The serviceRequest.Log.Id = User.Identity.GetUserId().ToString(); (And any preceding line if this is commented out) throws a null reference exception. I presume the serviceRequest is somehow null?
The ActionLink which requests the CreateNewUserAccount() page is:
#Html.ActionLink("New User Account", "CreateNewUserAccount", "ServiceRequest")
I'm not sure how to resolve this exception?
The model is:
public partial class ServiceRequest
{
public int ServiceRequestID { get; set; }
public Nullable<int> LogID { get; set; }
public string RequestType { get; set; }
[DisplayName("Additional Information")]
[Required]
[StringLength(200)]
public string AdditionalInformation { get; set; }
public DateTime EstimatedResolveDate { get; set; }
[Required]
[DisplayName("Delivery Date")]
public DateTime DeliveryDate { get; set; }
public virtual Log Log { get; set; }
public DateTime CalculateEstimatedResolveDate()
{
return System.DateTime.Now.AddDays(3);
}
}
View code:
#model OfficiumWebApp.Models.ServiceRequest
#{
ViewBag.Title = "New User Account";
}
#using(Html.BeginForm("CreateNewUserAccount", "ServiceRequest", FormMethod.Post))
{
#Html.AntiForgeryToken()
<div class="form-horizontal">
#Html.ValidationSummary(true)
<div class="form-group">
#Html.LabelFor(model => model.RequestType, new { #class = "control-label col-md-2" })
<div class="col-md-3">
<div class="editor-field">
#Html.TextBoxFor(model => model.RequestType, new { #Value = ViewBag.Title, #readonly = "readonly" })
#Html.ValidationMessageFor(model => model.RequestType)
</div>
</div>
</div>
<div class="form-group">
#Html.Label("Name of Account Holder", new { #class = "control-label col-md-2" })
<div class="col-md-3">
<div class="editor-field">
#Html.TextBox("AccountName")
#Html.ValidationMessageFor(model => model.RequestType)
</div>
</div>
</div>
<div class="form-group">
#Html.Label("Department", new { #class = "control-label col-md-2" })
<div class="col-md-3">
<div class="editor-field">
#Html.TextBox("Department")
#Html.ValidationMessageFor(model => model.RequestType)
</div>
</div>
</div>
<div class="form-group">
#Html.Label("Location", new { #class = "control-label col-md-2" })
<div class="col-md-3">
<div class="editor-field">
#Html.TextBox("Location", null, new { id = "Location" }))
#Html.ValidationMessageFor(model => model.RequestType)
</div>
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.AdditionalInformation, new { #class = "control-label col-md-2" })
<div class="tags">
<div class="col-md-10">
#Html.TextAreaFor(model => model.AdditionalInformation)
#Html.ValidationMessageFor(model => model.AdditionalInformation)
</div>
</div>
</div>
<div class="form-group">
#Html.LabelFor(model => model.DeliveryDate, new { #id = "VisitDateLabel", #class = "control-label col-md-2" })
<div class="col-md-3">
<div class="editor-field">
#Html.JQueryUI().DatepickerFor(model => model.DeliveryDate).Inline(false)
#Html.ValidationMessageFor(model => model.DeliveryDate)
</div>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<button type="submit" class="btn btn-default"><span class="glyphicon glyphicon-floppy-save"></span></button>
</div>
</div>
</div>
}

You need to return the view i.e.
[Authorize(Roles = "Customer")]
public ActionResult CreateNewUserAccount()
{
var model = new ServiceRequest();
model.Log = new Log();
return View(model);
}
In your view you need to add a model reference too at the top i.e.
#model ServiceRequest
You could also initialise the Log object in your model as follows:
public class ServiceRequest
{
public ServiceRequest()
{
Log = new Log();
}
....
}
An action link will not post your model back, you need to include it within a form and include all the model values that you want to be updated on the client i.e.
#using (Html.BeginForm("CreateNewUserAccount", "ServiceRequest", FormMethod.Post)){
#Html.EditorFor(m => m.AdditionalInformation)
...
<input type="submit" value="submit" />
Update
Taken from the below comments, this was resolved by creating a new log on post i.e.
var log = new Log {
Id = User.Identity.GetUserId().ToString(),
DateTimeLogged = System.DateTime.Now,
LogID = db.Logs.Max(item => item.LogID) };
serviceRequest.Log = log;