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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',...

Delete Confirmation Window

jquery,asp.net-mvc,asp.net-mvc-4,telerik
<div id="modalWindow"> <button id="yes" class="k-button">Yes</button> <button id="no" class="k-button">No</button> </div> <script> var wnd; $(document).ready(function() { wnd = $("#modalWindow").kendoWindow({ title: "Delete confirmation", modal: true, visible: false, resizable: false, width: 300 }).data("kendoWindow"); }); function DeleteItem(e) { e.preventDefault(); var grid = this; var row = $(e.currentTarget).closest("tr"); wnd.center().open(); $("#yes").click(function() { grid.removeRow(row);...

how to use Html.RenderPartial with ViewModel

asp.net-mvc,asp.net-mvc-4,asp.net-mvc-partialview,renderpartial
i am trying to create user reviews under each product, i used Html.RenderAction Html.RenderAction("ProductReviewTest", new { id = productids }); it works fine but it takes 9.4s to load the product page with the reviews, so tried Html.RenderPartial but gives error my product view: @model MVCProduct.Models.Product <!--here displaying products--> <!--displaying...

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...

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 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...

ASP .Net MVC get decorated roles for unathorized request

c#,asp.net,asp.net-mvc,asp.net-mvc-4
In MVC we decorate actions using AuthorizeAttribute. When a given user is not authorized for a particular action it calls HandleUnauthorizedRequest method. I have overridden this method in my custom class called CustomAuthorizeAttribute that inherits from AuthorizeAttribute. With in the scope of my overridden HandleUnauthorizedRequest method how do I get...

Rendering “~/bundles/jqueryval”

c#,asp.net-mvc,asp.net-mvc-4,razor
I need your help, I have written this code to render the "~/bundles/jqueryval" The view Code @model workflow.DataHolders.NewCompany <link href="@Url.Content("~/sharedfiles/css/forms/addnew.css")" rel="stylesheet" type="text/css" /> <div id="Add_container"> @if (!ViewData.ModelState.IsValid) { <div id="validationMessage">Please Correct The Errors Below</div> } @using (Html.BeginForm("ValidateAndSignUp", "Accounts", FormMethod.Post)) { @Html.AntiForgeryToken() @Html.ValidationMessage("CompanyName"); <span...

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) {...

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...

Jquery Tabs - return selected tab dynamically

c#,jquery,asp.net-mvc,asp.net-mvc-4,razor
On page load I would like to display selected tab dynamically. This is so validation is displayed for the correct tab. I have the following code: <script type="text/javascript"> $(document).ready(function () { var selectedTabId= $("#SelectedTab").val(); alert(selectedTabId); $('#tabs').tabs( { cache: false, beforeActivate: function (event, ui) { selectedTabId = ui.newPanel.attr('id'); $("#SelectedTab").val(selectedTabId); }, selected:...

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...

Set JQuery propeties to Image folder path in img src tag

javascript,jquery,html,image,asp.net-mvc-4
Question background: I'm trying to set two propeties of a JQuery function to an img src who's images are stored in the Images folder of my MVC site. The Issue: The following code shows the properties nextText and prevText being set to a left and right .jpg I have in...

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 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...

Redirect to different view when selecting dropdown then click button

javascript,jquery,asp.net-mvc-4
i have a dropdown and a button where i do filtering. Once i select a value in dropdown, i click on the button to filter. This works fine. Below, the dropdown code and button code which is stored in my index.cshtml <div> <b>Show By Reference/Category:</b> @Html.DropDownListFor(model => model.Reference, ViewBag.ISharedUI as...

Why does my MVC binding stop working when I assign a nested model to a variable?

c#,asp.net-mvc,asp.net-mvc-4,razor
I have code something like this contrived example in my MVC 4 razor view: @for (int i = 0; i < Model.NestedModel.Count; i++) { @Html.HiddenFor(model => modelModel.NestedModel[i].Id) @Html.EditorFor(model => Model.NestedModel[i].SomeProperty) } In which case everything works fine for me However, I wanted to tidy this up a little as the...

Using Bootstrap Modal how to Render

asp.net-mvc,twitter-bootstrap,asp.net-mvc-4,asp.net-mvc-partialview
I've got a big problem. I just want to have my Create - View for new VacationRequests in my Index-View It's not possible for me to have two different models in one view. @*@model System.Collections.Generic.IEnumerable<AppEule.Models.VacationRequest>*@ @model System.Collections.Generic.IEnumerable<GUIManagement.EmployeeVacationRequestViewItem> @using System.Collections @using System.Collections.Generic @using AppEule.Models @using TestAjax.Helpers <h2> @{ViewBag.Title = "Urlaubsanträge";} </h2>...

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);...

Jquery: Change contents of