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  • How do I create and link to a database in ASP.NET (Razor) with Visual studio 2013?

    - by Blake
    We have a simple web app, part of which allows users to create accounts and then, hopefully soon, to write blog posts. The user log in system is working great, it utilizes the given .sdf database created when a new project is created. We would like to expand it now to allow for blog data (the title, body of the blog, image posts perhaps, etc). However, I'm unsure of how to add another table to the user database for this purpose - or if that would even be best since it has sensitive information in it. I've been reading blog post after blog post and still can't find anything current on this. All of the articles are for MVC projects or older versions of VS. If someone could point me in the right direction it would be greatly appreciated!

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  • ASP.NET MVC Portable Areas - Can they communicate and be used as a plugin-like architecture?

    - by Beton
    I'll get straight to the point: I was wondering if there is a common pattern to use portable areas as a components of a plugin-like architecture. Example: We've got 3 plugins (portable areas) packaged and distributed via NuGet feed. Each of them is following the standard MVC structure (has it own Models, Views and Controllers). Lets say login form, header and footer. What I was wondering if there is a way to make them communicate. For example: when user logs on, login plugin executes it own logic, logs the user and then it updates the state of the header plugin with changes it state accordingly. Thanks in advance.

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  • Is this the correct way to implement .NET MVC website structure?

    - by aspdotnetuser
    I have recently seen a .NET MVC solution in which the markup in the .aspx views have a Controller as their model, and the .ascx user controls they contain use a separate model. I'm new to MVC and I wanted to find out about a few things I'm not clear on. An example of how the code is implemented: UserDetails.aspx view has markup that shows it's using the UserDetailsController.cs as the model. It contains RenderPartial("User_Details.ascx", UserDetailsModel) and passes it the UserDetailsModel. Is this the standard/correct way of implementing MVC? Or just one way to implement it? I also noticed that the classes used as Models appear to be Service classes that have [DataMember] and [DataContract] attributes on the class name and properties - what is the advantage of this implementation?

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  • How to convince an employer to move to VB.Net for new development?

    - by Dabblernl
    Some history:For the last six months I have been employed at a small firm with just three programmers, my employer among them. The firm maintains two programs written in VB6. I am asssigned as the lead programmer to one of these. In the last six months I did some maintenance and bug hunting, but created some new functionality too. I had an interview last december, which was favorable, and my contract was prolonged. I am very happy with this course of events as I only obtained a .Net certification a year ago and have no other qualifications (in the field of coding, that is). It is my strong opinion that, while migration of the existing program to .Net is advisable, it is paramount that from now on the new functionality should be written in VB.Net class libraries. After some study I found out how simple it is to integrate .Net class libraries into the VB6 development environment and how easy it is to add their functionality to existing installations by using application manifests. So, I have decided that now is the moment to roll up my sleeves and try and convince my employer that he should let me develop new code in VB.Net, using VB6 for maintenance only. We get along quite well, but I think I am going to need all the ammunition I can get to convince him. Any arguments, preferably backed up up ones, are very welcome, even arguments to dissuade me ;-)

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  • IIS isn't propagating domain

    - by ErocM
    I called Godaddy and 'verified' my settings for the two ips were correct. ns1.asezo.com = xx.xx.xx.15 ns2.asezo.com = xx.xx.xx.16 then I set the nameserver of asezo.com to the ns1/ns2 above, which Godaddy tech support says is right. When I try to visit my site, it says Oops! Google Chrome could not find asezo.com. When I try to ping the website, it gives me a time out. I have the bindings in IIS for the default website as: http - xx.xx.xx.15 - 80 www.asezo.com and http - xx.xx.xx.15 - 80 asezo.com And I'm still getting nothing. I can go directly to the ip http://xx.xx.xx.15/ and it gives me the IIS default website, I just can't get the url to propagate. What am I doing wrong?

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  • Problem on application with asp in IIS 7.5 with oracle 11g

    - by Hichem
    We have an application developed with .Net on server 2008 R2 and IIS 7.5 wich is linked liked to oracle 11g on another server. Our problem is that we lose the service every two or three or more. The application stops and we have to restart IIS or the server to continue the job (the number of users is less then 50). We have no error message. Do you know anything to do to avoid this situation, something like: A parameter to put on asp pages A parameter to switch on or off on the server or on the database

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  • How to build a good service layer in ASP.NET?

    - by Swippen
    I have looked through some questions, technologies for building a good service layer but I have some questions regarding this that I need help with. First some information of what I have for requirements. We currently have a number of web applications that talk to each other in a spiderweb looking way (all talking to each other in a confusing way via webservices and database data). We want to change this so that all applications go through a service layer where we can work more with cache and encapsulate common functionality and more. We want this layer to also have a Web API so that 3rd party clients can consume information from the service. The problem I see is that if we build the service layer with say MVC4 Web API don't we need to communicate between the application using the webAPI meaning we have to construct URLs and consume JSON/Xml. That does not sound too effective. I assume a better method would be working with entities and WCF to communicate between the application but then we might loose the Web API magic? So the question is if there is a way to consume a service layer as both a Web API (JSON/XML) and as a more backend service layer with entities. If we are forced to use 2 different service layers we might have to duplicate some functionality and other bad things. Hope the question is clear enough and please ask if you need any more information.

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  • IIS to parse php in a .dll files

    - by Agony
    The .dll files ain't the dynamic link library. That's what the client side software calls for (cannot change). Its essentially a php script that should run and return specific values. However currently it simply downloads it and that results in a failure. That's what it results in on a Apache server: [Update] NewVersion=1 UpdateFileNumber=1 UpdateFile1=update1/LPServerInfo.dat ServerNumber=1 Server1=http://88.159.116.217/ here it is on IIS: 198.24.133.74:8080/update.dll?0 renaming it to php works fine for testing - it runs and returns values. I edited the MIME and set .dll to application/x-httpd-php but that doesn't seem to work in IIS. Any solutions?

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  • What a .NET developer should know or practice (know how to do)? [closed]

    - by Olav
    I would like to have a list of basic tasks that .NET developers of different flavors using Visual Studio/SQL Server should be able to do. Ideally with a kind of lab environment where I could practice. VB.NET or C#, latest versions of ASP.NET, WPF and Silverlight. I am looking for small practical "atomic" tasks (like adding a db connection for example) I am looking for some existing labs/lists rather than specific points in the answers. (But I would not mind collaborating in developing material).

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  • When and How is an image cached for an ASPX with ContentType = image/jpeg ?

    - by Aamir Hasan
     In asp.net you can cache your page. You can vary the output cache by the followingThe query string in an initial request (HTTP GET).Control values passed on postback (HTTP POST values).The HTTP headers passed with a request.The major version number of the browser making the request.      A custom string in the page. In that case, you create custom code in the Global.asax file to specify the page's caching behavior.Link: http://msdn2.microsoft.com/en-us/library/xadzbzd6(VS.80).aspxyou can set the output caching for your GetImage.aspx, so that you dont have to requery the database every image request ,but you must use varybyParam , so that you have a cached version for every parameters arrangement:set the output cache for your page like this :At top of ASPX page: <%@ OutputCache Duration="600" VaryByParam="ID,Height,Width" %>VaryByParam  attribute allows you to vary the cached output depending on the query string.Adding this will make your images cached for 600 seconds, so that if the image request within this period ,the cahed version will be returned

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  • What are the parameters that let businesses choose .NET or Java over other languages/frameworks? [on hold]

    - by Othman
    Some of the biggest enterprise applications such as HR software, Sales and ERP, are written in .NET or Java. Also, Governments online solutions such as paying parking fines, and universities courses registration systems are all in .NET or Java. On the other hand, Facebook, Google and Wikipedia, are not using .NET or Java so much (Google uses at least both Java and Python). Twitter also was using Ruby for a long time, as well as Python. These websites work on much more data and at larger scales in terms of users and performance than any enterprise applications, yet still these companies have chosen a different path. What are the parameters driving such decisions? Note This question is not about why do you prefer x over y! or why those people are using this. The question is primarily asking about the parameters that makes Java Or .NET becomes better suite in enterprise applications based on Performance, Reliability, Scalability etc.

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  • What might cause this ExecutionEngineException?

    - by Qwertie
    I am trying to use Reflection.Emit to generate a wrapper class in a dynamic assembly. Automatic wrapper generation is part of a new open-source library I'm writing called "GoInterfaces". The wrapper class implements IEnumerable<string> and wraps List<string>. In C# terms, all it does is this: class List1_7931B0B4_79328AA0 : IEnumerable<string> { private readonly List<string> _obj; public List1_7931B0B4_79328AA0(List<string> obj) { this._obj = obj; } IEnumerator IEnumerable.GetEnumerator() { return this._obj.GetEnumerator(); } public sealed IEnumerator<string> GetEnumerator() { return this._obj.GetEnumerator(); } } However, when I try to call the GetEnumerator() method on my wrapper class, I get ExecutionEngineException. So I saved my dynamic assembly to a DLL and used ildasm on it. Is there anything wrong with the following code? .class public auto ansi sealed List`1_7931B0B4_79328AA0 extends [mscorlib]System.Object implements [mscorlib]System.Collections.Generic.IEnumerable`1<string>, [Loyc.Runtime]Loyc.Runtime.IGoInterfaceWrapper { .field private initonly class [mscorlib]System.Collections.Generic.List`1<string> _obj .method public hidebysig virtual final instance class [mscorlib]System.Collections.Generic.IEnumerator`1<string> GetEnumerator() cil managed { // Code size 12 (0xc) .maxstack 1 IL_0000: ldarg.0 IL_0001: ldfld class [mscorlib]System.Collections.Generic.List`1<string> List`1_7931B0B4_79328AA0::_obj IL_0006: call instance valuetype [mscorlib]System.Collections.Generic.List`1/Enumerator<!0> class [mscorlib]System.Collections.Generic.List`1<string>::GetEnumerator() IL_000b: ret } // end of method List`1_7931B0B4_79328AA0::GetEnumerator .method public hidebysig virtual final instance class [mscorlib]System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() cil managed { .override [mscorlib]System.Collections.IEnumerable::GetEnumerator // Code size 12 (0xc) .maxstack 1 IL_0000: ldarg.0 IL_0001: ldfld class [mscorlib]System.Collections.Generic.List`1<string> List`1_7931B0B4_79328AA0::_obj IL_0006: call instance valuetype [mscorlib]System.Collections.Generic.List`1/Enumerator<!0> class [mscorlib]System.Collections.Generic.List`1<string>::GetEnumerator() IL_000b: ret } // end of method List`1_7931B0B4_79328AA0::System.Collections.IEnumerable.GetEnumerator ... I have a test suite that wraps all sorts of different things, including interfaces derived from other interfaces, and multiple interface methods with identical signatures. It's only when I try to wrap IEnumerable<T> that this problem occurs. I'd be happy to send the source code (2 *.cs files, no dependencies) if anyone would like.

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  • Why is Html.DropDownList() producing <select name="original_name.name"> instead of just <select name

    - by DanM
    I have an editor template whose job is to take a SelectList as its model and build a select element in html using the Html.DropDownList() helper extension. I'm trying to assign the name attribute for the select based on a ModelMetadata property. (Reason: on post-back, I need to bind to an object that has a different property name for this item than the ViewModel used to populate the form.) The problem I'm running into is that DropDownList() is appending the name I'm providing instead of replacing it, so I end up with names like categories.category instead of category. Here is some code for you to look at... SelectList.ascx <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<System.Web.Mvc.SelectList>" %> <%= Html.DropDownList( (string)ViewData.ModelMetadata.AdditionalValues["PropertyName"], Model) %> Resulting HTML <select id="SkillLevels_SkillLevel" name="SkillLevels.SkillLevel"> <option value="1">High</option> <option value="2">Med</option> <option selected="selected" value="3">Low</option> </select> Expected HTML <select id="SkillLevels_SkillLevel" name="SkillLevel"> <option value="1">High</option> <option value="2">Med</option> <option selected="selected" value="3">Low</option> </select> Also tried <%= Html.Encode((string)ViewData.ModelMetadata.AdditionalValues["PropertyName"])%> ...which resulted in "SkillLevel" (not "SkillLevels.SkillLevel"), proving that the data stored in metadata is correct. and <%= Html.DropDownList( (string)ViewData.ModelMetadata.AdditionalValues["PropertyName"], Model, new { name = (string)ViewData.ModelMetadata.AdditionalValues["PropertyName"] }) %> ...which still resulted in <select name=SkillLevels.Skilllevel>. Questions What's going on here? Why does it append the name instead of just using it? Can you suggest a good workaround? Update: I ended up writing a helper extension that literally does a find/replace on the html text: public static MvcHtmlString BindableDropDownListForModel(this HtmlHelper helper) { var propertyName = (string)helper.ViewData.ModelMetadata.AdditionalValues["PropertyName"]; var compositeName = helper.ViewData.ModelMetadata.PropertyName + "." + propertyName; var rawHtml = helper.DropDownList(propertyName, (SelectList)helper.ViewData.Model); var bindableHtml = rawHtml.ToString().Replace(compositeName, propertyName); return MvcHtmlString.Create(bindableHtml); }

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  • Ninject.Web.PageBase still resulting in null reference to injected dependency

    - by Ted
    I have an ASP.NET 3.5 WebForms application using Ninject 2.0. However, attempting to use the Ninject.Web extension to provide injection into System.Web.UI.Page, I'm getting a null reference to my injected dependency even though if I switch to using a service locator to provide the reference (using Ninject), there's no issue. My configuration (dumbed down for simplicity): public partial class Default : PageBase // which is Ninject.Web.PageBase { [Inject] public IClubRepository Repository { get; set; } protected void Page_Load(object sender, EventArgs e) { var something = Repository.GetById(1); // results in null reference exception. } } ... //global.asax.cs public class Global : Ninject.Web.NinjectHttpApplication { /// <summary> /// Creates a Ninject kernel that will be used to inject objects. /// </summary> /// <returns> /// The created kernel. /// </returns> protected override IKernel CreateKernel() { IKernel kernel = new StandardKernel(new MyModule()); return kernel; } .. ... public class MyModule : NinjectModule { public override void Load() { Bind<IClubRepository>().To<ClubRepository>(); //... } } Getting the IClubRepository concrete instance via a service locator works fine (uses same "MyModule"). I.e. private readonly IClubRepository _repository = Core.Infrastructure.IoC.TypeResolver.Get<IClubRepository>(); What am I missing? [Update] Finally got back to this, and it works in Classic Pipeline mode, but not Integrated. Is the classic pipeline a requirement? [Update 2] Wiring up my OnePerRequestModule was the problem (which had removed in above example for clarity): protected override IKernel CreateKernel() { var module = new OnePerRequestModule(); module.Init(this); IKernel kernel = new StandardKernel(new MyModule()); return kernel; } ...needs to be: protected override IKernel CreateKernel() { IKernel kernel = new StandardKernel(new MyModule()); var module = new OnePerRequestModule(); module.Init(this); return kernel; } Thus explaining why I was getting a null reference exception under integrated pipeline (to a Ninject injected dependency, or just a page load for a page inheriting from Ninject.Web.PageBase - whatever came first).

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  • ASP.NET Adrotator Control Repeating For Length of Entire Page

    - by rofly
    Hello! I'm making a website that requires ads being repeated down the length of a page with dynamic length. I want the ads to be displayed down the entire length of the page, but I won't know that length until after the data has been displayed. Is there built in functionality for this in .NET? If not, does anyone see any workarounds I could employ to do this for me? Thanks!

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  • Using ASP.NET Automatically login to an external website and redirect

    - by DoodleWalker
    Hello, We have a series of products with built in web servers each of which has a login page, a customer wants to create a web portal in which they log into once, from there they can simply click on any of the devices (external websites) and it will automatically login to that site and redirect them to the page after the login screen. The portal is using ASP.NET MVC, the external devices are Windows CE based units running embedded web servers. Can find a lot on scraping, but not much on redirection after the event. Many Thanks Andy

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  • ASP.NET MVC using App_Code directory

    - by Ben
    I've added an App_Code directory to my ASP.NET MVC project so that I get dynamic compilation for plugins. Only slight annoyance is that when developing new plugins, I don't get intellisense on classes inside the App_Code directory. Currently I am creating them in another directory inside my project and then copying them into App_Code. is there any way around this?

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  • agility of asp.net MVC

    - by Hellnar
    Hello I am wondering how agile (fast to develop yet stable) asp.net MVC compared to frameworks using dynamic languages such as Django or Ruby on Rails. I will be happy if you share you experiance in the name of development speed (assuming each language/framework is known at a similar level) Things I love about Django Fast model design thanks to ORM Good template system Not too hard to deploy Easy to extend Lots of free apps to plugin and great documentation Thanks

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  • Non RBAC User Roles and Permissions System: a role with properties

    - by micha12
    We are currently designing a User Roles and Permissions System in our web application (ASP.NET), and it seems that we have several cases that do no fit within the classical Role-Based Access Control (RBAC). I will post several questions, each devoted to a particular case. This is my second question (the first question is here: http://stackoverflow.com/questions/2839797/non-rbac-user-roles-and-permissions-system-checking-the-users-city). We have the following case: we need to implement a Manager role in our web application. However, a Manager can belong to one or several companies (within a big group of companies for which we are creating this web app). Say, there can be “Manager of companies A and B”, “Manager of company C”, etc. Depending on the companies that the Manager belongs, he has access to certain operations: for example, he can communicate with clients only of those companies that he belongs to. That is, “Manager of companies A and B” can only have contacts with clients of companies A and B, and not with those of company C. He can also view clients’ details pages of companies A and B and not of C, etc. It seems that this case falls within the RBAC. However, this is not really the case. We will need to create a ManagerRole class that will have a Companies property – that is, this will not be just a role as a collection of permissions (like in the classical RBAC), but a role with properties! This was just one example of a role having properties. There will be others: for example, an Administrator role that will also belong to a number of companies and will also have other custom properties. This means that we will a hierarchy or roles classes: class Role – base class class ManagerRole : Role List Companies class AdministratorRole : Role List Companies Other properties We investigated pure RBAC and its implementation in several systems, and found no systems featuring a hierarchy or roles, each having custom properties. In RBAC, roles are just collections of permissions. We could model our cases using permission with properties, like ManagerPermission, AdministratorPermission, but this has a lot of drawbacks, the main being that we will not be able to assign a role like “Manager of Companies A and B” to a user directly, but will have to create a role containing a ManagerPermission for companies A and B… Moreover, a "Manager" seems to be rather a "role" (position in the company) rather than a "permission" from the linguistic point of view. Would be grateful for any ideas on this subject, as well as any experience in this field! Thank you.

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