asp.net-mvc

Stop continuation of ASP.NET MVC ActionFilter

I have two custom ActionFilters on an action. In first of the actionfilters, I have an redirect performed if a condition is not met (classic authorization). And in another I have an redirect performed if another condition is not met (say role checking). But I do not want to continue to the second actionFilter if the first one is not ...

Is it possible to return a SiteMap as a JsonResult?

I've got a very simple Action on my Controller that's attempting to return my XmlSiteMap as a JsonResult: public ActionResult Index() { var nodes = SiteMap.Provider.RootNode; return new JsonResult() { Data = nodes, JsonRequestBehavior = JsonRequestBehavior.AllowGet }; } However, when I call the Action, an InvalidOpera...

How can I detect if a request and response cookies are different?

I need to detect if a request cookie - value is different from a response cookie - value. Its not as easy as: if(cookiesArePresent) { bool isDifferent = HttpContext.Current.Response.Cookies[".ASPXANONYMOUS"].value == HttpContext.Current.Response.Cookies[".ASPXANONYMOUS"].value; } But I read that changing the Response.Cookies ch...

Problem with JSONResult

Hi, I' still newby to this so I'll try to explain what I'm doing. Basically what I want is to load a dropdownlist depending on the value of a previous one, and I want it to load the data and appear when the other one is changed. This is the code I've written in my controller: public ActionResult GetClassesSearch(bool ajax, string phy...

Any tutorials about how to create an ASP.NET MVC 2 website and run it against Local IIS Web Server (not use Cassini)

Hello folks, does anyone have any good links/tutorials about how to create a simple ASP.NET MVC website, and have it run against a Local IIS7 Web Server, instead of the default Visual Studio Development Server (aka Cassini). Yes, i tried google, but i fail at getting some good keywords, etc. Cheers :) ...

Is there a point to have multiple VS projects for an ASP.NET MVC application?

I'm developing MVC application where I currently have 3 projects in solution. Core (it is supposed to be for Repositories, Business Classes, Models, HttpModules, HttpFilters, Settings, etc.) Data access (Data provider, for instance SqlDataProvider for working with SQL Server datastore - implements Repository interfaces, XmlDataProvider...

ASP.NET MVC async call a WCF service.

Hi all. After complete of asynchronous call to WCF service I want set success message into session and show user the notification . I tried use two ways for complete this operation. 1) Event Based Model. client.GetDataCompleted += new EventHandler<GetDataCompletedEventArgs>(GetDataCompleted); client.GetDataAsync(id, client); private ...

How to use ASP .NET dropdown with ajax

Greeting, I'm beginer of ajax technology and now i need to create two dropdown in MVC project for example: First dropdown has the list of classroom [601,602,603] when i choose one then next dropdown will has the list of student belong to each class room. Now, I already create the repository class that has method GetStudentByClassroo...

ASP.NET MVC Render View to String

I'm currently using NVelocity to render some email templates. I'm curious how I can do this with the standard ASP.NET MVC view engine i.e. render a view as a string. Basically I want to pass get the string result of a model binded view and pass this to iTextSharp to generate a PDF. Thanks. Ben ...

How can I emulate the ASP.NET Ajax UpdatePanel when using ASP.NET MVC?

In "traditional" ASP.NET (Web Forms), the UpdatePanel control lets you do a partial refresh of a part of a page. You don't need to write much code to hook this up. What's the equivalent in ASP.NET MVC? I'm guessing I'd need to use a partial view for the bit that I want to update, then on the client side retrieve that HTML and pump it in...

Selectlist and dropdownlist

Hi, I'd like to create a dropdownlist from following structure List<KeyValuePair<long, string>> sponsori = new List<KeyValuePair<long, string>>(); Now I want the selectlist to have the pair's long as data value, the string as text value and the selected item, if I have only access to the long of the selected item. THanks in adva...

VS2008 javascript debugger IE8 "there is no source code available for the current location"

I have almost the same problem as this unanswered question. The only difference is I'm using VS2008, but I'm in an MVC project calling this javascript function: function CompanyChange(compCtrl) { alert(compCtrl.value); debugger; var test; for (var i = 0; i < document.all.length; i++) { test = document.all[i]; } } I hit the alert...

Standard way to persist data between requests in ASP.NET-MVC

What is the most standard or best way to persist data between requests? Should I use cookies or session variables? I'm interested in keeping data like sort order, sort column, and page number (for paginiation). I'm coming from a webforms background so normally this type of thing was automatically handled for me in the viewstate of th...

Regex: absolute url to relative url (C#)

I need a regex to run against strings like the one below that will convert absolute paths to relative paths under certain conditions. <p>This website is <strong>really great</strong> and people love it <img alt="" src="http://localhost:1379/Content/js/fckeditor/editor/images/smiley/msn/teeth_smile.gif" /></p> Rules: If the url conta...

Many to Many with LINQ-To-Sql and ASP.NET MVC

Hi All, I will restrict this to the three tables I am trying to work with Problem, Communications, and ProbComms. The scenario is that a Student may have many Problems concurrently which may affect their studies. Lecturers may have future communications with a student after an initial problem is logged, however as a Student may have mul...

ASP.NET MVC: Optionally render element attribute

I know there is some syntax with ? to optionally render attribute. But I can't find it now that I need it ... Something like: < input checked=<%? model.IsActivated % > ... Thanks. EDIT: Since it seems that nobody knows... perhaps it was some different view engine. Thanks for answers any way :) ...

How can I share an entity framework model across website users

Hello, Currently my website is based around MVC and the Entity Framework running against a SQL Server 2005 database. So far, it has all been running very smoothly, and I really enjoy MVC and its slimmer more concise code (and no huge viewstates or soul destroying postbacks ;)) Recently I was working on upgrading the site to use a simpl...

Rendering a derived partial view with Html.RenderPartial

Calling Html.RenderPartial("~/Views/Payments/MyControl.ascx"); from a view works if MyControl.ascx is a control that directly inherits System.Web.Mvc.ViewUserControl. However, if the control inherits a new class that derives from System.Web.Mvc.ViewUserControl, the call to Html.RenderPartial("~/Views/Payments/MyDerivedControl.ascx"); f...

How do I allow inline images with data urls on .NET 4 without triggering request validation?

I'm using the jQuery jstree plugin (http://jstree.com) in a ASP.NET MVC 2 project on .NET 4 RC, and running on IIS 7.5. It comes with some stylesheets with inline images with data urls, like this: .tree-checkbox ul { background-image:url(data:image/gif;base64,R0lGODlhAgACAIAAAB4dGf///yH5BAEAAAEALAAAAAACAAIAAAICRF4AOw==); } Now,...

Is it possible to use RedirectToAction() inside a custom AuthorizeAttribute class?

Using ASP.Net MVC 2, is there any way to use the RedirectToAction() method of the Controller class inside a class that is based on the AuthorizeAttribute class? public class CustomAttribute : AuthorizeAttribute { protected override bool AuthorizeCore(HttpContextBase context) { // Custom authentication goes here retur...