FAQ Database Discussion Community


How to check if two entity entries of a collection are the same

c#,entity-framework,asp.net-mvc-4
I'm trying to do a generic method to update Entity Framework collections, one to many. I did this method, but i'm having a problem, when i try to verify, if the element in the new collection already exists in the old one. If exists, i have to update it, rather...

How Can ignore @ in Pattern in MVC

asp.net-mvc-4
I want write pattern to my textbox in view this textbox will hold email value but i want write RegEx but i received error because RegEx contains @ i wrote @@ but still doesn't work My Code <input type="text" name="Emails" id="Emails" class="form-control Div-heigh" placeholder="To...." required pattern="[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?" /> ...

How do I set the URL for a new page/view when using ASP.NET MVC

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I'm just starting to use/wrap my head around MVC, but I'm still a little confused about where the actual URL for each view is defined. So far, I have 2 controllers and 2 views. The first controller works, and creates the correct view under the URL http://localhost:60480/Example, but I'm not...

How to get started with Visual studio 2012

c#,asp.net-mvc,asp.net-mvc-3,asp.net-mvc-4,visual-studio-2012
I want to create web application using Visual Studio 2012. The application should login into a website and report numerical findings on the UI. The language used will be Visual C#. I have loaded the application and selected on the menu: File> New > Projects. A window appears with multiple...

Binding data to TextBox without showing text

asp.net,asp.net-mvc,asp.net-mvc-4
When binding text/data to a TextBox, it is done like @Html.TextAreaFor(model=> model.Question) but, when the PostBack happens, the text shows up in the TextBox. Is there a way to still bind the data to the textbox, but not display the text in the textbox? I have a search functionality on...

Use Bearer Token Authentication for API and OpenId authentication for MVC on the same application project

c#,asp.net-mvc-4,oauth-2.0,openid,identityserver3
I am trying to use both OpenId and Bearer token authentication on my application through Identity Server. The problem currently is that once I have authenticated the user, I still need to get a bearer token to be able to call any action methods for my Asp.Net MVC application. Here...

404 when converting asp.net mvc app to angularjs

c#,asp.net,asp.net-mvc,angularjs,asp.net-mvc-4
so I have my full asp.net mvc project working which renders perfectly fine. Then I am trying to convert it to use angular for the UI and web api for the backend. In the views folder I added an index.html file with this code: <!-- * INSPINIA - Responsive Admin...

Submitting Form in AngularJS and MVC 4

angularjs,asp.net-mvc-4,angularjs-controller,angularjs-factory
I am new to AngulaJS, and I am trying to do as many examples as I can. I found an example online that works pretty well except for the registration part. I tried to register a user; it did not submit the form, and there was not an error message/exception....

Custom Data Annotation and MVC Helper

c#,asp.net-mvc,asp.net-mvc-4
I want to expose a globalized help text on to an MVC view. Currently the code looks like this, Custom attribute class class HelpTextAttribute : Attribute { public string Text { get; set; } } View model property and custom annotation [HelpText(Text = "This is the help text for member...

Setting up routing when RemoteAttribute specifies AdditionalFields

c#,asp.net,asp.net-mvc,asp.net-mvc-4
How to configure actions if I specify AdditionalFields for validation via RemoteAttribute to handle possible optional additional fields? Currently I try to have actions for possible combinations of optional fields and it does not work as show below. I have a form that is bound to a model and one...

Conflicted with the REFERENCE constraint. How to solve this?

asp.net-mvc-4,nhibernate
I catch this GenericADOException exception but some unexpected exception comes again when I do genRep.Update(userW). How can I fix this problem? This is my code: public ActionResult DeleteUser(long? UserID) { GenericRepositoryV2 genRep ; if (!SecurityService.IsLoggedIn(Session)) { return SecurityService.LoginAndRedirect(Request); } try { genRep = new GenericRepositoryV2(); genRep.StartTransaction(); User user = genRep.GetById<User>(UserID);...

Why mozilla changes the characters when i use the .net mvc statement redirect?

c#,asp.net-mvc-4,redirect,mozilla
I'm trying to redirect to an external website when everything is done, but firefox changes the http word on the url for a weird set of characters. This is my server side code: [HttpPost] public ActionResult Postular(INFO_BASE_POSTULACION_model pInfoPostulacion) { string rutMD5 = Request["rutMD5"]; int idRegion = Convert.ToInt32(Request["idRegion"]); int idInstrumento =...

RedirectToAction to another Controller and passing parameters

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I'm new in C# and espacially in ASP.NET MVC. I have my HomeController, which contains this method: public ActionResult Error(Error error) { return View(error); } Now I have another Controller, which have the following line inside: return RedirectToAction("Error","Home", new { Error = (new Error("ErrorName","ErrorDescription"))} ); As you might notice, I...

How to store a string in xml file and use it in _Layout in MVC

c#,xml,asp.net-mvc,asp.net-mvc-4
I'm new here. I've started working my own forum system recently to use as a portfolio. Decided to let the admin of the website set his own name and description for the forum. So first thought was use .ini file to put the string there but C# does not support...

check for value null on razor syntax

c#,asp.net-mvc,asp.net-mvc-3,asp.net-mvc-4,razor
The following code is failing because propiedadesFormularioDetalle is null. I placed an IF before the block code but still not working, if I remove one of the bracked, then it wont compile @if (propiedadesFormularioDetalle != null) { } <div class="panel panel-default"> <div class="panel-heading">Propiedades adicionales</div> <div class="panel-body"> <dl class="dl-horizontal"> @foreach (KeyValuePair<string,...

how to forward a link with URI to another link with the same URI

html,asp.net,html5,asp.net-mvc-4,asp.net-web-api-routing
My program directs users to a webpage with their username and password. E.g. http://example.html?username=username&password=password. Now I created another page in asp.net and I want some code on example.html to redirect the link to http://example.aspx?username=username&password=password. So what i want is to get the URI from the first url and direct it...

How to download a file through ajax request in asp.net MVC 4

jquery,json,asp.net-mvc-4,asp.net-ajax
Below is my code : public ActionResult DownloadAttachment(student st) { var file = db.EmailAttachmentReceived.FirstOrDefault(x => x.LisaId == st.Lisaid); byte[] fileBytes = System.IO.File.ReadAllBytes(file.Filepath); return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, file.Filename); } This is the script which i'm using $(function () { $("#DownloadAttachment").click(function () { $.ajax( { url: '@Url.Action("DownloadAttachment", "PostDetail")', contentType: 'application/json; charset=utf-8', datatype: 'json',...

select random data from database in mvc4 C#

c#,asp.net-mvc-4
I have database. Actually,i am doing for it display 10 image newest from my database but i want to display random 10 image from database.How can i do it? public ActionResult Details(int id) { var products = db.TblProductImages.Include(t => t.TblProduct); ViewData["viewcategory"] = (from p in products orderby p.ProductID descending select...

How to consume multipart/form data request in C# mvc 4 webservice

c#,asp.net-mvc,web-services,wcf,asp.net-mvc-4
I created a web service for file upload. When I call this webservice I can't find multipart-form data request. If I call this webservice without a file then it will working fine. My code is: Interface code: [OperationContract] [WebInvoke(RequestFormat = WebMessageFormat.Json, Method = "POST", ResponseFormat = WebMessageFormat.Json, UriTemplate = "/GetStream")]...

MVC Hidden field via HTML Helper in Form Post issue

c#,asp.net,asp.net-mvc,asp.net-mvc-4,razor
I have an issue when using a hidden field in an MVC Form Post. When the hidden field is generated via a HTML Helper it won't preserve it's value during the postback. But when using a HTML tag, it works. Unfortunately this one has taken me a whole day to...

@Html.RadioButtonFor in mvc

c#,asp.net-mvc-4,razor
In my application, my model contains a field id, and in the view I need to select an id with a radio button and post back the selected id to the controller. How can I do this? My view is as follows, @model IList<User> @using (Html.BeginForm("SelectUser", "Users")) { <ul> @for(int...

Is it possible to access an additional custom model property from viewdata.modelmetadata.properties?

asp.net-mvc-4
On a specific View, I pass in a new model to a partial view via: @Html.Partial("view.cshtml", new Model1()) Then on the partial I need to access all of its properties, and attributes, including a new custom attribute I made. My new attribute uses MetadataAware: public class ReportDescriptionAttribute : Attribute, IMetadataAware...

Asp.net MVC Routelink null controller parameter

c#,asp.net,asp.net-mvc,asp.net-mvc-4,routing
I have two routes, the default one routes.MapRoute( name: "Default", url: "{controller}/{action}/{id}", defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional } ); I added another route, sometimes the parameter will by a string routes.MapRoute( name: "ByName", url: "{controller}/{action}/{name}", defaults: new { controller = "Home", action =...

A property of model becomes null while posting

asp.net-mvc-4
I'm new to MVC. Now I'm trying with a simple demo of MVC that to print Customer's information to screen and update it, send back to database. I have no idea why the Customer's ID becomes null while the others are fine. I want to display Customer's ID to the...

A specified Include path is not valid. The EntityType '*Propiedad' does not declare a navigation property with the name 'Nombre'

c#,asp.net-mvc,entity-framework,asp.net-mvc-4,repository-pattern
I am trying to implement unit of work and the generic repository pattern as explained here: http://www.asp.net/mvc/overview/older-versions/getting-started-with-ef-5-using-mvc-4/implementing-the-repository-and-unit-of-work-patterns-in-an-asp-net-mvc-application My entity Propiedad is like this: public class Propiedad { [Key] public int Id { get; set; } public virtual Entidad Entidad { get; set; } public string Codigo { get; set; }...

Convert ObjectResult to List

c#,asp.net-mvc,asp.net-mvc-4
I want to pass List as Json. How to create list of Member for AM_GAAM property? Below is my controller's code. I am using stored procedure which returns only one column(AM_GAAM) with multiple rows. Controller ObjectResult<string> obj; obj = objConnection.ADDRESS_MASTER_Select_Distinct_Gaam(objIErrorCode); if (Convert.ToInt32(objIErrorCode.Value) == 0) { list = obj.Select(x => new...

MVC Push notification from server to client side

asp.net-mvc-4,push-notification
This question may sound lame but. Is there any technique to send push notificaiton from server to client side, regarding the server status. For Example: While Login Notification in Client Side in sequence: Validating User ... Validating Digital Certificate ... Sorting downloadable file ... Preparing to download ... If its...

C# Using Bool, how to check a double is truly divisible by another number? [duplicate]

c#,asp.net-mvc-4
This question already has an answer here: How can I calculate divide and modulo for integers 4 answers Is there a way of checking that a value is wholly divisible by another number, for example 1000 divided by 100 would be true, but 1115 divided by 100 would be...

C# entity framework MVC second run error

entity-framework,asp.net-mvc-4,localdb
I am creating db and initializing data with code below, if DB doesnt exist, it creates db and populate it, when I run application second time I get error Cannot drop database "aspnet-app" because it is currently in use. Application_start, with initializations protected void Application_Start() { AreaRegistration.RegisterAllAreas(); WebApiConfig.Register(GlobalConfiguration.Configuration); FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters); RouteConfig.RegisterRoutes(RouteTable.Routes);...

Need to Close the div in if condition MVC View

asp.net-mvc,asp.net-mvc-4
I am trying to close a div inside the if condition which is inside a foreach loop. @foreach (var item in ViewBag.modal) { counter++; <div class="Class1"> <div class="span6"> <!-- block --> <div class="block"> <div class="block-header"> <div class="left"> @item["Topic"];</div> </div> <div class="collapsein"> @item["Desc"];</div> </div> </div> @if (counter % 2 == 0)...

Cannot get data using LINQ in MVC

c#,asp.net-mvc,linq,asp.net-mvc-4
I'm trying to get data in autocomplete from JsonResult Action Method in my controller. I cannot query data with LINQ, I'm sharing code please guide me. Action Method public class VehicleController : Controller { private readonly IService<Vehicle> _service; public VehicleController(IService<Vehicle> service) { _service = service; } public JsonResult AutoComplete(string term)...

Get desired html element's attribute value and set to hidden field before binding in Asp.Net MVC

c#,.net,asp.net-mvc,asp.net-mvc-4,asp.net-mvc-5
Let's say such hidden field has genereated: <input data-val="true" data-val-number="The field MemberRelationId must be a number." id="MemberRelationId" name="MemberRelationId" type="hidden" value="3"> As you seem it has a value 3. It means that, user has already set the value for this field. But, he(she) can also change this value and I must...

How to Upload file onclick of button of type=button not type=submit in mvc4 using html begin form

file,asp.net-mvc-4,button,upload,submit
I have to upload a file using a button (of type button, not submit). And I want to show popup when no-file is selected and clicked on upload, it should not go to controller action. Can anyone help please?...

Mvc: Getting the selected value of the dropdownlistFor box

asp.net-mvc-4
In my domain I have this service public class StudentService { private readonly IStudentRepository _studentRepository; public StudentService(IStudentRepository studentRepository) { _studentRepository = studentRepository; } public StudentDto DisplayStudentInformation() { var objStuSec = _studentRepository.DisplayStudentSection(); return objStuSec; } } Here is my studentDto public class StudentDto { public string StudentId { get; set; }...

MVC 5 OWIN login with claims and AntiforgeryToken. Do I miss a ClaimsIdentity provider?

asp.net-mvc,asp.net-mvc-4,razor,asp.net-mvc-5,claims-based-identity
I'm trying to learn Claims for MVC 5 OWIN login. I try'ed to keep it as simple as possible. I started with the MVC template and inserted my claims code (see below). I get an error when I use the @Html.AntiForgeryToken() helper in the View. Error: A claim of type...

Using dropdownlistfor for model with list property

c#,asp.net-mvc,asp.net-mvc-4,model
How do I use dropdownlistfor for this viewmodel? public class ViewModel { public IEnumerable<Model1> model1{ get; set; } } public class Model1 { public string Name { get; set; } public int Id{ get; set; } } How should I do this? @model Models.ViewModels.ViewModel @Html.DropDownListFor(model => model.model1) ...

Binding my view model to a view causes all check boxes to be checked

c#,asp.net,asp.net-mvc,asp.net-mvc-4,razor
I'm having an issue where my all the check boxes rendered in the view are coming out checked. I put a breakpoint at the line where my view model is constructed and through the debugger, I can see that some values are set to "true" and others are set to...

MVC 4 - pass parameter to controller on button click

asp.net-mvc-4
I have an MVC 4 project that has a save button that when clicked asks the user to confirm and then submits the whole form back to the controller with the model as input, not formCollection. Now I need to add another button to the form called Submit. How can...

Mvc Remote Attribute is sending “undefined” in query string

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I'm trying to remote validate some code and for the parameter, its passing undefined in as a parameters. Here is my validation code: [OutputCache(Location = OutputCacheLocation.None, NoStore = true)] public class ValidationController : Controller { public JsonResult IsUserNameAvailable(string userName, int? UserId) { var users = new BusinessLayer.BdsAdmin.Users(); if (UserId ==...

File upload control in asp.net mvc

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I have written a fileupload control in asp.net mvc.But as of now the logic what i am doing is, i am downloading excel file in to server locally and then processing data and pushing in to oracle database.But some servers due to permission issues , i am not able to...

Unable to make parent li active on click of child li with bootstrap in mvc4

c#,asp.net,asp.net-mvc-4,c#-4.0
I have search and try different method like using JQuery Helper class etc but i can't find solution for my scenario. My code is below I want Active li when i user select and page refresh <aside class="main-sidebar" style="background: #102C4B none repeat scroll 0% 0%;border-right: 1px solid #DCE1E4;"> <section class="sidebar">...

access a page in the MVC Global.asax

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I want to redirect to a page in the case that does not accomplish a condition in the global.asax in method application start... redirects to a warning page like this:... protected void Application_Start() { if (MyClass.Warnning == "2") { Response.Redirect("~/warningPage.aspx"); } } but it shows me the following error: response...

Protractor, login to asp,net MVC login page, wait for default page then , redirect to angular page and do tests…how?

c#,angularjs,asp.net-mvc-4,selenium,protractor
I'm trying to implement Protractor test on my MVC Project that we are slowly converting to Angular I login on a MVC login page, enter the login and password, Click login, then I need to wait for the login to go through several pages, and get to the default screen....

MVC best practice for displaying static generated data

c#,asp.net-mvc,asp.net-mvc-4,razor
Question background: I have a two page MVC 4 web app. The first page's view currently has its data manually typed into the View as its static i.e nothing is being passed to the View from its associated Controller method, as shown: Index controller method: Public ActionResult Index() { return...

Send a parameter from an action to a view

asp.net-mvc,asp.net-mvc-4
I want to send a parameter to a view from an action that resolves and sends that value. The issue is that when the parameter "arrives" to the view, it arrives null giving me an error when I try to manage it. The code I have in the action is...

Bind multiselect selections to list of objects

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I have a view model like so: public class ListingPlanEditorViewModel { public ListingPlan Plan { get; set; } public IEnumerable<Directory> SiteDirectories { get; set; } } One property is an object of type ListingPlan here: public class ListingPlan { public int? ListingPlanID { get; set; } public int DescriptionLinesCount {...

How to add an Option label on ListBoxFor HTML Helper in ASP.Net MVC

asp.net-mvc,asp.net-mvc-4,html-helper
How can I add an option label like the one existent on the DropDownListFor for a ListBoxFor HTML Helper ? I have the code similar to bellow: <%= Html.ListBoxFor( m => m.SelectedElements, new MultiSelectList(Model.AllPossibleElements, "ID", "Text")) %> And the image bellow is the output: I would like to have a...

Pass a javascript variable as parameter to @url.Action()

javascript,asp.net-mvc-4,url.action
is it possible to pass a javascript variable as a parameter to @url.Action(), because as far as i know there may be server and client side issue, my requirement is i have to download the file according to filter, and ajax call doesnot work with downloading the file. so i...

Add XElement dynamically using loop in MVC 4?

c#,xml,asp.net-mvc-4,for-loop
i will like to add the Xelement in Xdocument but how can i add in dynamically using loop? I need to capture the user multiple answer and generate the Xelement dynamically. Please guide me or provide any hint. Thanks alot! [HttpPost] public ActionResult SURV_Answer_Submit(List<AnswerQuestionViewModel> viewmodel, int Survey_ID, string Language) {...

Return MVC view while submitting serialized data(MVC, Ajax)

jquery,ajax,asp.net-mvc,asp.net-mvc-4
I am new to mvc I have this AJax and Controller, i need to return a view that say "Email Sent" for now the controller redirected me to the http://localhost:1365/?Name=as&Adress=adsads&city=a&state=as&zip=as&phone=asas&Message=a Ajax Call <script> $(function () { $("#JqAjaxForm").submit(function () { debugger; var sdata = $("#JqAjaxForm").serialize(); alert(sdata); senddata = { "daye": sdata...

get roles attribute of controller in OnActionExecuting in mvc

c#,asp.net-mvc,asp.net-mvc-4,actionfilterattribute
I want to read the filter attributes of controller in OnActionExecuting method. for this I have written this code but this empty array. public class BaseController : Controller { protected override void OnActionExecuting(ActionExecutingContext filterContext) { var getActionName = filterContext.ActionDescriptor.ActionName; var getControllerName = filterContext.ActionDescriptor.ControllerDescriptor.ControllerName; var getUserName = User.Identity.Name; var getUserRoles =...

Get selected data

c#,asp.net,asp.net-mvc,asp.net-mvc-4
I already have the SQL Statement for retrieving data from the database, but I dont know how to pass the value from the class that I made to the controller and lastly to the view itself. I have tried to call the method for retrieving data from the database from...

mvc - Html.BeginForm postbacks to wrong controller

asp.net-mvc-4,html.beginform
I'm facing a very annoying issue in my mvc 4 application. What I'm doing: I have a main view (Index) and a partial view added to main view. on partial view a form is added to post data to the action in some controller but, it posts to Home controller...

Using Bootstrap 3 DateTimePicker in ASP.NET MVC Project

jquery,asp.net-mvc,twitter-bootstrap,asp.net-mvc-4,bootstrap-datetimepicker
I want to use the Bootstrap 3 DateTimePicker. I added it to my ASP.NET project using NuGet. Here's my BundleConfig.cs: bundles.Add(new StyleBundle("~/Content/Bootstrap").Include("~/Content/bootstrap.css", "~/Content/bootstrap-theme.css", "~/Content/bootstrap-theme.min.css", "~/Content/bootstrap.min.css", "~/Content/less/_bootstrap-datetimepicker.less", "~/Content/less/bootstrap-datetimepicker-build.less")); bundles.Add(new ScriptBundle("~/Scripts/Bootstrap").Include( "~/Scripts/moment.min.js", "~/Scripts/bootstrap.js",...

How can I bind a list model which contains a complex type in MVC4?

c#,asp.net-mvc,asp.net-mvc-4
I have a form with input elements like this: ... <input type="hidden" name="orders[0].ID" value="1"> <input type="text" name="orders[0].Name" value="Some name"> <input type="date" name="orders[0].Date" value="09/08/2014"> <input type="time" name="orders[0].Time" value="5:16 AM"> ... <input type="hidden" name="orders[1].ID" value="2"> <input type="text" name="orders[1].Name" value="Some name2"> <input type="date" name="orders[1].Date" value="09/08/2014"> <input type="time" name="orders[1].Time"...

Error while trying populate DropDownListFor from Database

c#,mysql,asp.net-mvc-4
I am trying to populate the DropDownListFor items from the database, but when I tried to run the program, it gives me error Object reference not set to an instance. Like the method (Get data from the database and put it into SelectList) did not get called at all, even...

Jquery: Change contents of