asp.net-mvc-2

问题 I'm building an ASP.NET MVC 2 site with Visual Studio 2010 Beta 2. Out of nowhere none of my images or css started showing up. If I navigate directly to the resources in the browser I see this exception message: Specified argument was out of the range of valid values. Parameter name: utcDate Stack Trace: [ArgumentOutOfRangeException: Specified argument was out of the range of valid values. Parameter name: utcDate] System.Web.HttpCachePolicy.UtcSetLastModified(DateTime utcDate) +3038942 System

问题 I wish to return the following output <a href="#"><img src="/images/icons/tick.png" alt="" />More info</a> If i do the following the content is html encoded. <%= Html.ActionLink("<img src='/images/icons/tick.png' />More info", "OrderRegion", "Campaign", new {id = Model.Campaign.Id}, null) %> How can i disable the html encoding? 回答1: you can create an HtmlHelper to this public static class HtmlHelpers { public static string MyActionLink(this HtmlHelper htmlHelper, string linkText, string

问题 Okay, so I'm trying to display a dialog, and the contents of that dialog is from a partial view, _TestPartial. Here is the partial view: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" %> <div id="test" title="Basic dialog"> <p>This is just a test</p> </div> Now, if I put the test div in my .aspx that is displaying the dialog, it will show just fine. Or if I call the partial right from my page it will show 'This is just a test' just fine. I just have no idea how to make a

问题 Description I have a payment page that includes a form for entering bank account information. I have encapsulated the bank account information into a Model / Editor Template. The page itself has its own View Model, which happens to contain a BankAccount property to be passed in to the Editor. [[View Models]] public class PaymentPageModel { public SomeProperty1 { get; set; } public SomeProperty2 { get; set; } public BankAccount BankAccount { get; set; } ... } public class BankAccount { public

问题 I am very confused and scratching my head. I am trying to implement a complex page with many partial Views and Nested ViewModels, but somehow i am not able complete because of my limited understanding of technology. Please help me in understanding the below topics from asp.NET MVC 2 by providing good article/tutorials 1. Partial Views 2. Nested ViewModel 3. Custom ViewModel Binders. I would really appreciate your help as right now i am trying to implement them without proper understanding and

问题 I was reading the new features of asp.net-mvc3 and found about unobtrusive-validation. My question is that Unobstrusive is new in asp.net-mvc3? This SO answer says about this validation Does it mean that Model validation is improved by introducing the new feature called Unobtrusive or some improvements are done in Unobtrusive validations and this feature is already available if so, can you tell what are the improvements done? 回答1: Unobtrusiveness has to do with the way validation rules are

问题 I'm building ASP.NET MVC2 application, and using Entity Framework as ORM. I am having troubles updating object in the database. Every time I try entity.SaveChanges(), EF inserts new line in the table, regardless of do I want update, or insert to be done. I tried attaching (like in this next example) object to entity, but then I got {"An object with a null EntityKey value cannot be attached to an object context."} Here's my simple function for inserts and updates (it's not really about

问题 I am using ASP.NET MVC. My requirement is to build a complex object (an object made of other object) through a step-by-step procedure like in a wizard. Every dependent object shall be build on it's step and shall be validated in it's step. For example public class ComplexObjectModel { public Object1 MyObject1 { get; set; } public Object2 MyObject1 { get; set; } public Object3 MyObject1 { get; set; } } As there is no built-in facility for a wizard I have decided to create 3 model classes and 3

问题 I am using ASP.NET MVC. My requirement is to build a complex object (an object made of other object) through a step-by-step procedure like in a wizard. Every dependent object shall be build on it's step and shall be validated in it's step. For example public class ComplexObjectModel { public Object1 MyObject1 { get; set; } public Object2 MyObject1 { get; set; } public Object3 MyObject1 { get; set; } } As there is no built-in facility for a wizard I have decided to create 3 model classes and 3

问题 Do we need to add any references or import any namespace for Roles.IsUserInRole(username,role) - > is it not giving the right result. <% if(Model.Count < 1) {%> No User's Add Under You! <% } else { foreach (var item in Model) { %> <tr class="tblheader"> <th> User Name </th> <th> Last Activity </th> <th> Administrator </th> <th> Base User </th> <th> Print User </th> <th> SDI User </th> <th> Edit User </th> </tr> <% if(Model.Count < 1) {%> No User's Add Under You! <% } else { foreach (var item