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• ASP MVC Populate drop down list on jQuery add table row

  - by Jacob Huggart

  I have a page with several drop down lists that all have the same contents. The page starts out with only three ddls, but more need to be added based on user input. There is also other information associated with the drop down lists that is all in a table. So, when the user clicks a link I add a new row of textboxes and drop down lists to a table. When I add a row to my table, the new drop down lists are empty because there is no view data associated with them. How can I use ajax or jquery to pull the viewdata that I need to populate new drop down lists?

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• Populating dropdownlist in asp.net mvc doesn't seem to work for me...

  - by Pandiya Chendur

  I use a dropdownlist in one of my create.aspx but it some how doesnt seem to work... public IEnumerable<Materials> FindAllMeasurements() { var mesurements = from mt in db.MeasurementTypes select new Materials() { Id= Convert.ToInt64(mt.Id), Mes_Name= mt.Name }; return mesurements; } and my controller, public ActionResult Create() { var mesurementTypes = consRepository.FindAllMeasurements().AsEnumerable(); ViewData["MeasurementType"] = new SelectList(mesurementTypes, "Id", "Mes_Name"); return View(); } and my create.aspx has this, <p> <label for="MeasurementTypeId">MeasurementType:</label> <%= Html.DropDownList("MeasurementType", ViewData["MeasurementType"])%> <%= Html.ValidationMessage("MeasurementTypeId", "*") %> </p> When i execute this i got these errors, System.Web.Mvc.HtmlHelper<CrMVC.Models.Material>' does not contain a definition for 'DropDownList' and the best extension method overload 'System.Web.Mvc.Html.SelectExtensions.DropDownList(System.Web.Mvc.HtmlHelper, string, System.Collections.Generic.IEnumerable<System.Web.Mvc.SelectListItem>)' has some invalid arguments 2.cannot convert from 'object' to 'System.Collections.Generic.IEnumerable<System.Web.Mvc.SelectListItem>

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• Data entry screen in asp.net MVC

  - by Vikas

  You may thick that it is a silly question but I am confused! I have a situation that I have a Lecture table. And I want to store attendance of who have registered for it. I have master table of People who will register, lecture table, and Important one table is attendance that stores P.k. as f.k. of rest of the table. On Index view of lecture operator will select Attendance and enter attendance information. My problem It show only one page for attendance entry and that page can also open open in EDIT mode, for editing attendance. So what would be the design of the page and process flow of taking attendance?

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• case insensitive mapping for Spring MVC @RequestMapping annotations

  - by Zahid Riaz

  I have Controller having multiple @RequestMapping annotations in it. @Controller public class SignUpController { @RequestMapping("signup") public String showSignUp() throws Exception { return "somejsp"; } @RequestMapping("fullSignup") public String showFullSignUp() throws Exception { return "anotherjsp"; } @RequestMapping("signup/createAccount") public String createAccount() throws Exception { return "anyjsp"; } } How can I map these @RequestMapping to case insensitive. i.e. if I use "/fullsignup" or "/fullSignup" I should get "anotherjsp". But this is not happening right now. Only "/fullSignup" is working fine.

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• MVC Partial View Postback - Jquery validation lost

  - by user415394

  I have a partial view which uses Jquery Valiation. This works OK when initially loaded, however after I do a ajax postback and return the partial view from the server with an error showing, the jquery validation seems to be lost. In that, if I delete a required field and hit save the partial view gets submitted, when I would expect it to show an error message and not get submitted. Does Jquery validation need to be initialised somehow for the form in the partial view?

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• Setting current culture with threads in ASP.NET MVC

  - by mare

  Here's an example of SetCulture attribute which inside does something like this: public void OnActionExecuting(ActionExecutingContext filterContext) { string cultureCode = SetCurrentLanguage(filterContext); if (string.IsNullOrEmpty(cultureCode)) return; HttpContext.Current.Response.Cookies.Add( new HttpCookie("Culture", cultureCode) { HttpOnly = true, Expires = DateTime.Now.AddYears(100) } ); filterContext.HttpContext.Session["Culture"] = cultureCode; CultureInfo culture = new CultureInfo(cultureCode); System.Threading.Thread.CurrentThread.CurrentCulture = culture; System.Threading.Thread.CurrentThread.CurrentUICulture = culture; } I was wondering how does this affect a site with multiple users logged on and each one setting their own culture? What is the scope of a thread here with regards to the IIS worker process (w3wp) that the site is running in?

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• mvc actionlink show html tags

  - by kusanagi

  how can i show html tags like this html.actionlinlk("<b>bla bla</b>", null) it dislay bla bla not bold bla bla-is it possible to show bold text?

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• Linq ChangeConflictException (ASP.NET MVC) - occurs when submitting DataContext changes

  - by Alex

  System.Data.Linq.ChangeConflictException: 2 of X updates failed. at System.Data.Linq.ChangeProcessor.SubmitChanges(ConflictMode failureMode) at System.Data.Linq.DataContext.SubmitChanges(ConflictMode failureMode) at PROJECT.Controllers.HomeController.ClickProc(Int32 id, String code, String n) This is what I get very often. This action is done thousands of times a day, and I get this exception about once every 5 seconds. From what I understand it happens when something changes in the database in the period between creating DataContext and updating it. Am I right? What's the problem here and how can I fix it?

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• jquery-ui autocomplete with ASP MVC suggestions not displaying

  - by adamnickerson

  I have been trying to get a simple example of the jquery-ui autocomplete to work. I have a controller setup to handle the query, and it returns the json that looks to be in order, but I am getting no suggestions showing up. Here are the js libraries I am including: <script type="text/javascript" language="javascript" src="/Scripts/jquery-1.4.1.js"></script> <script type="text/javascript" language="javascript" src="/Scripts/jquery-ui-1.8.1.custom.min.js"></script> <link href="/Content/jquery-ui-1.8.1.custom.css" rel="stylesheet" type="text/css" /> and here is the javascript and the form tags: <script type="text/javascript"> $(function () { $("#organization").autocomplete({ source: function (request, response) { $.ajax({ url: '/Organization/OrganizationLookup', dataType: "json", data: { limit: 12, q: request.term } }) }, minLength: 2 }); }); </script> <div class="ui-widget"> <label for="organization">Organization: </label> <input id="organization" /> </div> I get back a json response that looks reasonable from my controller: [{"id":"Sector A","value":"Sector A"},{"id":"Sector B","value":"Sector B"},{"id":"Sector C","value":"Sector C"}] id and value seem to be the default naming that autocomplete is looking for. But I get no joy at all. Any thoughts?

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• Modelbinding using Interfaces in ASP.NET MVC 2

  - by Thomas

  I have the following View Data: public class ShoppingCartViewData { public IList<IShoppingCartItem> Cart { get; set; } } I populate the viewdata in my controller: viewData.Cart = CurrentSession.CartItems; return View(viewData); And send the data to the view and display it using: <% for (int i = 0; i < Model.Cart.Count; i++ ) { %> <%= Html.TextBoxFor(m => m.Cart[i].Quantity)%> <%= Html.HiddenFor(m => m.Cart[i].Id) %> <% } %> I want to be able to catch the viewdata on the post. When I try: [HttpPost] public ActionResult UpdateCart(ShoppingCartViewData viewData) { ... } When I run this I get a: System.MissingMethodException: Cannot create an instance of an interface. Can anyone shed some light on this. What would I have to do to get this to work? Many Thanks

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• where should i encode this html data in an asp.net mvc site

  - by ooo

  here is my view code: <%=Model.HtmlData %> here is my controller code: public ActionResult GetPage() { ContentPageViewModel vm = new ContentPageViewModel(); vm.HtmlData = _htmlPageRepository.Get("key"); return View(vm); } my repository class basically queries a database table that has the fields: id, pageName, htmlContent the .Get() method passes in a pageName (or key) and returns the htmlContent value. Right now i have just started this (haven't persisted anything to the db yet) so i am not doing any explicit encoding in my code now. What is the best practice for where i need to do encoding (in the model, the controller, the view ??)

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• Have you read any ASP.NET MVC 2.0 book?

  - by Dan Dumitru

  I'm sorry for asking yet another "best [insert-technology] book". I know a bit of MVC, I want to start a project in MVC 2 and a good book would be really helpful. Usually, after a while, people come to a consensus what are the top 2-3 books for learning a given technology. Have you read any ASP.NET MVC 2.0 book? If so, how was it?

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• Unity IoC and MVC modelbinding

  - by danielovich

  Is it ok to have a static field in my controller for my modelbinder to call ? Eg. public class AuctionItemsController : Controller { private IRepository<IAuctionItem> GenericAuctionItemRepository; private IAuctionItemRepository AuctionItemRepository; public AuctionItemsController(IRepository<IAuctionItem> genericAuctionItemRepository, IAuctionItemRepository auctionItemRepository) { GenericAuctionItemRepository = genericAuctionItemRepository; AuctionItemRepository = auctionItemRepository; StaticGenericAuctionItemRepository = genericAuctionItemRepository; } internal static IRepository<IAuctionItem> StaticGenericAuctionItemRepository; here is the modelbinder public class AuctionItemModelBinder : DefaultModelBinder { public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) { if (AuctionItemsController.StaticGenericAuctionItemRepository != null) { AuctionLogger.LogException(new Exception("controller is null")); } NameValueCollection form = controllerContext.HttpContext.Request.Form; var item = AuctionItemsController.StaticGenericAuctionItemRepository.GetSingle(Convert.ToInt32(controllerContext.RouteData.Values["id"])); item.Description = form["title"]; item.Price = int.Parse(form["price"]); item.Title = form["title"]; item.CreatedDate = DateTime.Now; item.AuctionId = 1; //TODO: Stop hardcoding this item.UserId = 1; return item; }} i am using Unity as IoC and I find it weird to register my modelbinder in the IoC container. Any other good design considerations I shold do ?

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• Asp.Net Mvc - Html.TextBox - Set Autofocus property

  - by Melursus

  In Html 5, there is an new attribute on textbox call autofocus. The problem is it is a boolean value (there or not there) It should look something like : <input name="a" value="" autofocus> I try : <%= Html.TextBox( "a", null, new { autofocus } ) %> But, it's give me an error because I'm not setting a value to autofocus... I know I can do it manually, but can I do it with Html.TextBox ?

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• Page Redirect when session end in ASP.Net MVC

  - by Kaung Sitt Thu

  I would like to do redirect to login when current session end and that config must be working at any View and Controller. ///My current code in Global.asax protected void Session_End(object sender, EventArgs e) { Session.Abandon(); //GetPath() is getting currently path // eg. http://localhost/mymvcproject Response.Redirect(PATH.GetPath() + "User/LogOn"); }

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• asp.net mvc custom routes with multiple submit buttons

  - by dangerisgo

  So I have a custom route as such: routes.MapRoute( "Wizard", // Route name "Wizard/{page}", // URL with parameters new { controller = "Wizard", action = "Index" } // Parameter defaults ); and have the following on my View: <% Html.BeginForm("Continue", "Wizard"); %> <input type="submit" value="Continue" name="Continue" /> <% Html.EndForm(); %> In which I want to call this function: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Continue(string Number, string Rev) { (...) } but in turn when that button is pressed always calls the postback Index rather than the one I want. If I remove the custom route, it calls my function, but what I want to be displayed in the address bar is: localhost:xxxx/Wizard/1 where the number at the end is the page (div shown) of the wizard either 1, 2, 3, or 4. So is there something I'm missing or can it not be done? Thanks.

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• Deploying Multiple Environments in Spring-MVC

  - by jboyd

  Currently all web apps are deployed using seperate config files: <!-- <import bean.... production/> --> <import bean... development/> This has disadvantages, even if you only need to swap out one config file, that I'm sure everyone is familiar with (wondering what just deployed without searching through XML is one of them) I want to add Logging to my application that basically says 'RUNNING IN PRODUCTION MODE', with a description of the services deployed and what mode they are working in. RUNNING IN PRODUCTION MODE Client Service - Production Messaging Service - Local and so on... Is this possible in Spring using a conventional deployment (putting a war on a server)? What other things do people do to manage deployments and software configurations? If not, what other ways could you achieve something similar?

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• asp.net mvc: why is Html.CheckBox generating an additional hidden input

  - by Omu

  I just noticed that Html.CheckBox("foo") generates 2 inputs instead of one, anybody knows why is this so ? <input id="foo" name="foo" type="checkbox" value="true" /> <input name="foo" type="hidden" value="false" /> Note: this checkbox is not checked

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• asp.net mvc How to test controllers correctly

  - by Simon G

  Hi, I'm having difficulty testing controllers. Original my controller for testing looked something like this: SomethingController CreateSomethingController() { var somethingData = FakeSomethingData.CreateFakeData(); var fakeRepository = FakeRepository.Create(); var controller = new SomethingController(fakeRepository); return controller; } This works fine for the majority of testing until I got the Request.IsAjaxRequest() part of code. So then I had to mock up the HttpContext and HttpRequestBase. So my code then changed to look like: public class FakeHttpContext : HttpContextBase { bool _isAjaxRequest; public FakeHttpContext( bool isAjaxRequest = false ) { _isAjaxRequest = isAjaxRequest; } public override HttpRequestBase Request { get { string ajaxRequestHeader = ""; if ( _isAjaxRequest ) ajaxRequestHeader = "XMLHttpRequest"; var request = new Mock<HttpRequestBase>(); request.SetupGet( x => x.Headers ).Returns( new WebHeaderCollection { {"X-Requested-With", ajaxRequestHeader} } ); request.SetupGet( x => x["X-Requested-With"] ).Returns( ajaxRequestHeader ); return request.Object; } } private IPrincipal _user; public override IPrincipal User { get { if ( _user == null ) { _user = new FakePrincipal(); } return _user; } set { _user = value; } } } SomethingController CreateSomethingController() { var somethingData = FakeSomethingData.CreateFakeData(); var fakeRepository = FakeRepository.Create(); var controller = new SomethingController(fakeRepository); ControllerContext controllerContext = new ControllerContext( new FakeHttpContext( isAjaxRequest ), new RouteData(), controller ); controller.ControllerContext = controllerContext; return controller; } Now its got to that stage in my controller where I call Url.Route and Url is null. So it looks like I need to start mocking up routes for my controller. I seem to be spending more time googling on how to fake/mock objects and then debugging to make sure my fakes are correct than actual writing the test code. Is there an easier way in to test a controller? I've looked at the TestControllerBuilder from MvcContrib which helps with some of the issues but doesn't seem to do everything. Is there anything else available that will do the job and will let me concentrate on writing the tests rather than writing mocks? Thanks

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• Pass Date object from javascript to asp.net mvc controller

  - by Elangovan

  Hi, I have a Date variable in client side and I want to pass the Date variable to my controller at server side. I have passed as a normal field and the date is defaulting to 01-01-0001 12:00:00 AM. help me to convert the date field with the right format.

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• ASP.NET MVC: dealing with Version field.

  - by alex2k8

  I have a versioned model: public class VersionedModel { public Binary Version { get; set; } } Rendered using <%= Html.Hidden("Version") %> it gives: <input id="Version" name="Version" type="hidden" value="&quot;AQID&quot;" /> that looks a bit strange. Any way, when the form submitted, the Version field is always null. public ActionResult VersionedUpdate(VersionedModel data) { ... } How can I pass Version over the wire? EDIT: A naive solution is: public ActionResult VersionedUpdate(VersionedModel data) { data.Version = GetBinaryValue("Version"); } private Binary GetBinaryValue(string name) { return new Binary(Convert.FromBase64String(this.Request[name].Replace("\"", ""))); }

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• mvc contrib pager question - AsPagination

  - by csetzkorn

  Hi, I might be wrong but is the AsPagination method not very inefficient as it sucks all the data from a repository first to initialise TotalItems etc.? So paging is not used to make the data access more efficient. I have not found any examples which use a repository and 'true' paging (i.e. uses TOP etc. in the atcual SQL). How do I use the Pager if I have a repository method with this signature: IList GetData(int? page, out int TotalItems) Any feedback would be very much appreciated. Thanks. Christian

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• Can I connect to SQL from JavaScript MVC?

  - by user54197

  I am populating a list of names that will be added to my Sql Database. In this simple case, how do I send the information to SQL server without my page being refreshed? <script type="text/javascript"> function addNewRow() { $('#displayPropertyTable tr:last').after('<tr><td style="font-size:smaller;" class="name"></td><td style="font-size:smaller;" class="address"></td></tr>'); var $tr = $('#displayPropertyTable tr:last'); var propertyCondition = $('#txtPropAddress').val(); if (propertyCondition != "") { $tr.find('.name').text($('#txtPropName').val()); $tr.find('.address').text($('#txtPropAddress').val()); } } </script> ... <table id="displayPropertyTable" width= "100%"> <tr> <td style="font-size:smaller;" class="name"></td> <td style="font-size:smaller;" class="address"></td> </tr> </table> ... <table> <tr> <td><b>Name</b></td> <td colspan="2"><input id="txtPropName" type="text" /></td> </tr> <tr> <td><b>Address</b></td> <td colspan="2"><input id="txtPropAddress" type="text" /></td> </tr> </table> ... <button onclick="addNewRow();">Add</button>

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• Multiple File Upload asp.net mvc

  - by kusanagi

  is it possible to be able Multiple select files when make browse file? any solution , may be flash. so on form one field type="file" but with it can be upload more then one file i know that can be add on form more then one file field

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• date picker in asp.net mvc

  - by Renu123

  i have basic date picker but i wank to add image as icon for date picker i have done it with the helper but now how can provide selecting year facility to the user if he want to select year 1986 then how much time he want to click so i want to add selecting year facility with icon date picker. if any one konws please tell me thanks in advance.

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