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  • Good technologies for developing a modular server component in .net?

    - by nubbers
    I am using WPF, Prism and Unity to develop the user interface for a .net application. The UI will run from a PC, but I also need to develop a separate complex server component that will provide services to the PC component via WCF. Prism and Unity have proved to be of great value in creating a modular application, at least as far as the user interface is concerned. I would also like to make the server component modular, but I cannot find anywhere what techniques, patterns and technologies are suitable. I have considered: Unity or one of the other DI containers Selected parts of Prism, such as modules and events Are these suitable for developing a modular server component? Or are these UI technologies only and should I be looking at something completely different?

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  • What are the caveats of the event system built on Messenger rather than on classic .NET events?

    - by voroninp
    MVVM Light and PRISM offer messenger to implement event system. the approximate interface looks like the following one: interface Messanger { void Subscribe<TMessageParam>(Action<TMessageParam> action); void Unsubscribe<TMessageParam>(Action<TMessageParam> action); void Unsubscribe<TMessageParam>(objec actionOwner); void Notify<TMessageParam>(TMessageParam param); } Now this model seems beneficial comparing to classic .net events. It works well with Dependency Injection. Actions are stored as weak references so memory leaks are avioded and unsubscribe is not a must. The only annoyance is the need to declare new TMessageParam for each specific message. But everything comes at a cost. And what I'm really worried about is that I see no shortcomings of this approach. Has anoyne the experience of some troubles with this design pattern?

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  • Is there a canonical source for learning C# and .NET internals?

    - by ta269uec
    I have been a C++ programmer for last several years with a bit of C# here and there. In my latest job, I work heavily on C#. I picked most of my C# by following the code-base or random google searches on what I wanted to do at that point (like threading in C#). I feel a time has come to invest some time into understanding the language internals and also understanding the .NET framework from an architectural point of view. Can someone recommend the "gold standard" text/resource for accomplishing these? What about that resource makes it the best? What were your experiences with it?

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  • Is there anything in .NET that allows me to define a grammar and generate a programming language?

    - by user1525474
    I have a course in which the proffesor has asked us to create a DSL for a our final project. He presented us in the first courses xText with Eclipse. This being a new course, I am still a bit fuzzy on what Domain Specific Languages means. This is my current understanding: a domain specific language is a language that is created for specific problems in software development. Examples of DSL's are PHP, SQL, JavaScript and on the opposite are languages like Java , C# , C++ , Ruby etc. Please feel free to correct me if I am wrong. What I would like to know: is there is any tool for .NET/Visual Studio that is similar to Xtext, that allows me to define a grammar and be allowed to generate a programming language based on that with an activity diagram?

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  • Protecting a webpage with an authentication form

    - by Luke
    I have created an employee webpage with a lot of company info, links, etc., but I want to protect the page because it contains some confidential company information. I am running IIS7.5 on Windows Server 2008 R2, and I already have the site setup as a normal, non-protected site. I want all active directory users to have access to the site. This is not an intranet site, it is exposed to the internet. I tried setting it up using Windows Authentication, but I had problems with multiple login prompts, etc. I just want a simple form for users to enter their credentials and have access to the site, and I need it to query the AD for login. I've searched the web for a guide on this, but I can't seem to find one that fits my situation. This is not a Web App. It is just a simple html site. Does anyone have any suggestions or a link to a guide on this? Thanks so much! -LB

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  • Apache mod_proxy dynamic filter

    - by jrhicks
    How can I configure Apache to ProxyBlock content based on something dynamic such as time-of-day or max-use. Basicly I'm curious about the scriptability of Apache. My web-stumbling leads me to believe I can combine mod-proxy and mod-perl in interesting ways to do dynamic filtering. But I'm pretty lost. What are some general instructions, tutorials, books, technologies to begin scripting Apache (or any suitable proxy).

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  • Set default page to virtual directory in IIS 6

    - by goldenratio
    I have two applications, one of which is a store and is located under the virtual directory "store", while the main "application" is the parent website/application. However, when visiting the the top-level website address, I would like to start people in /store/default.aspx (technically "/store/home") but this is not allowed in the entry box in IIS. Currently I am doing the redirect manually in code, but was wondering if there was a way to do this in IIS or something. Thanks for any help.

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  • ASP.NET 3.5 Search Function Basic Development Concepts

    Adding a search web form to your ASP.NET website is very helpful for your users when they want to search related content. For example if you are going to display a very large table it would be much more efficient for users to search related content and display it back to the browser. This tutorial will show you how to develop a search function in ASP.NET 3.5 which you can add to your website.... AutoCAD LT? 2011 Trial Try The New AutoCAD LT? And Benefit From Consistent 2D Drafting Focus.

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  • WAV and MP3 Streaming with ASP.Net and C#

    In this programming tutorial you will learn how to stream WAV and MP3 audio files in ASP.NET 3.5 using the C# server side language. This is particularly useful for music websites that are based on the ASP.NET 3.5 platform. The examples used in this article are tested to work on any major browser including Internet Explorer Chrome and Firefox. The scripts are tested on a Windows XP operating system using Visual Web Developer Express. For convenience an actual working example can be downloaded at the end of this tutorial. Finally this tutorial also highlights the use of the Google Flash player when streaming MP3s.... Autodesk? Inventor? Test Drive Autodesk? Inventor?. Download A Free 30-Day Trial Today.

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  • NetAdvantage - jQuery, ASP .NET MVC and HTML5 UI Components released for Web Developers

    Built for speed and portability across operating systems, iPad/tablets, desktops and multi-browser support. Includes controls for ASP .NET MVC and uses the latest technologies like HTML 5 & CSS 3. This preview includes a sampling of powerful UI controls: grid, date picker, rating, editors, even a video player! All work with the popular WebKit engine that underpins many modern desktop browsers without requiring plug-ins or extensions. The grid embraces the latest Web techniques and frameworks like jQuery Client Templates and DOM virtualization. Download these essentials for jQuery and ASP .NET MVC from us today. span.fullpost {display:none;}

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  • Completing a Basic ASP.NET 3.5 User Input Validation Project

    You learned the basics and configuration steps of the most common types of validation web controls used in ASP.NET 3.5 in the first two parts of this tutorial series. In this last part you will learn how to integrate all of these validation web controls in a working ASP.NET project. You will also learn not only how to validate user input in the client side but also how to validate the page on the server side.... Microsoft SQL Server? Value Calculator Reduce Costs & Increase Value with Microsoft SQL Server? 2008. Download Today!

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  • PeerApp Scalability

    - by ChaosFreak
    William, In response to a question on P2P caching, you answered "PeerApp can do that but probably doesn't suit the scale you are looking at." PeerApp is the most scalable P2P cache in the world, and can handle hundreds of Gb per second of bandwidth. Their largest deployment in Taiwan handles 120Gbps with no problem. The next largest competitor, OverSi, can barely handle a tenth of that. Where do you get your information that PeerApp "doesn't suit scale"?

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  • Database Management for SharePoint 2010

    With each revision, SharePoint becomes more a SQL Server Database application, with everything that implies for planning and deployment. There are advantages to this: SharePoint can make use of mirroring, data-compression and remote BLOB storage. It can employ advanced tools such as data file compression, and object-level restore. DBAs can employ familiar techniques to speed SharePoint applications. Bert explains the way that SharePoint and SQL Server interact.

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  • .NET WebAPI Serialization k_BackingField Nastiness

    - by Micah
    When i serialize the following: [Serializable] public class Error { public string Status { get; set; } public string Message { get; set; } public string ErrorReferenceCode { get; set; } public List<FriendlyError> Errors { get; set; } } I get this disgusting mess: <ErrorRootOfstring xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Printmee.Api"> <_x003C_Errors_x003E_k__BackingField> An exception has occurred. Please contact printmee support </_x003C_Errors_x003E_k__BackingField> <_x003C_LookupCode_x003E_k__BackingField>988232ec-6bc9-48f3-8116-7ff7c71302dd</_x003C_LookupCode_x003E_k__BackingField> </ErrorRootOfstring> What gives? How can i make this pretty? JSON responses also contain the k_BackingField

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  • Blocking access to websites with objective-C / root privileges in objective-C

    - by kvaruni
    I am writing a program in Objective-C (XCode 3.2, on Snow Leopard) that is capable of either selectively blocking certain sites for a duration or only allow certain sites (and thus block all others) for a duration. The reasoning behind this program is rather simple. I tend to get distracted when I have full internet access, but I do need internet access during my working hours to get to a number of work-related websites. Clearly, this is not a permanent block, but only helps me to focus whenever I find myself wandering a bit too much. At the moment, I am using a Unix script that is called via AppleScript to obtain Administrator permissions. It then activates a number of ipfw rules and clears those after a specific duration to restore full internet access. Simple and effective, but since I am running as a standard user, it gets cumbersome to enter my administrator password each and every time I want to go "offline". Furthermore, this is a great opportunity to learn to work with XCode and Objective-C. At the moment, everything works as expected, minus the actual blocking. I can add a number of sites in a list, specify whether or not I want to block or allow these websites and I can "start" the blocking by specifying a time until which I want to stay "offline". However, I find it hard to obtain clear information on how I can run a privileged Unix command from Objective-C. Ideally, I would like to be able to store information with respect to the Administrator account into the Keychain to use these later on, so that I can simply move into "offline" mode with the convenience of clicking a button. Even more ideally, there might be some class in Objective-C with which I can block access to some/all websites for this particular user without needing to rely on privileged Unix commands. A third possibility is in starting this program with root permissions and the reducing the permissions until I need them, but since this is a GUI application that is nested in the menu bar of OS X, the results are rather awkward and getting it to run each and every time with root permission is no easy task. Anyone who can offer me some pointers or advice? Please, no security-warnings, I am fully aware that what I want to do is a potential security threat.

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  • What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)

    - by Stephane
    Other than the type it returns and the fact that you call it differently of course <% Html.RenderPartial(...); %> <%= Html.Partial(...) %> If they are different, why would you call one rather than the other one? The definitions: // Type: System.Web.Mvc.Html.RenderPartialExtensions // Assembly: System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 // Assembly location: C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll using System.Web.Mvc; namespace System.Web.Mvc.Html { public static class RenderPartialExtensions { public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName); public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName, ViewDataDictionary viewData); public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName, object model); public static void RenderPartial(this HtmlHelper htmlHelper, string partialViewName, object model, ViewDataDictionary viewData); } } // Type: System.Web.Mvc.Html.PartialExtensions // Assembly: System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 // Assembly location: C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll using System.Web.Mvc; namespace System.Web.Mvc.Html { public static class PartialExtensions { public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName); public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName, ViewDataDictionary viewData); public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName, object model); public static MvcHtmlString Partial(this HtmlHelper htmlHelper, string partialViewName, object model, ViewDataDictionary viewData); } }

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  • ASP.NET application/web service not working on Windows Vista/IIS 7: access right problem?

    - by Achim
    I have a .NET 3.5 based web service running at http://localhost/serivce.svc/. Then I have an ASP.NET application running at http://localhost/myApp. In Application_Load my application reads some XML configuration from the web service. That works fine on my machine, but: On Windows Vista with IIS 7 the request to the web services fails. The web service can be accessed via the browser without any problem. I configured the app pool of my application to run as admin. I added the admin to the IIS_USRS group, but it still cannot access the web service. impersonate=true/false seems not to make a difference.

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  • Hitting a ADO.NET Data Services from WPF client, forms authentication

    - by Soulhuntre
    Hey all! There are a number of questiosn on StackOverflow that ALMOST hit this topic head on, but they are either for other technologies, reference obsolets information or don;t supply an answer that I can suss out. So pardon the almost duplication :) I have a working ADO.NET Data Service, and a WPF client that hits it. Now that they are working fine I want to add authentication / security to the system. My understanding of the steps so far is... Turn on forms authentication and configure it on the server (I have an existing asp.net membership service DB for other aspects of this app, so that isnt a problem) so that it is required for the service URL In WCF apply for and recieve a forms authentication "ticket" as part of a login routine Add that "ticket" to the headers of the ADO.NET service calls in WPF Profit! All well and good - but does anyone have a line on a soup to nuts code sample, using the modern releases of these technologies? Thanks!

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  • Does anyone use Fortify 360 with Classic ASP? a Header Manipulation vulnerability story

    - by j_green71
    Good morning, everyone. I'm on a short-term contracting gig, trying to patch some vulnerabilities in their legacy code. The application I'm working on is a combination of Classic ASP(VBScript) and .Net 2.0 (C#). One of the tools they have purchased is Fortify 360. Let's say that this is a current classic ASP page in the application: <%@ Language=VBScript %> <% Dim var var = Request.QueryString("var") ' do stuff Response.Redirect "nextpage.asp?var=" & var %> I know, I know, short and very dangerous. So we wrote some (en/de)coders and validation/verification routines: <%@ Language=VBScript %> <% Dim var var = Decode(Request.QueryString("var")) ' do stuff if isValid(var) then Response.Redirect "nextpage.asp?var=" & Encode(var) else 'throw error page end if %> And still Fortify flags this as vulnerable to Header Manipulation. How or what exactly is Fortify looking for? The reason I suspect that Fortify is looking for specific key words is that on the .Net side of things, I can include the Microsoft AntiXss assembly and call functions such as GetSafeHtmlFragment and UrlEncode and Fortify is happy. Any advice?

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  • ASP.Net Entity Framework, objectcontext error

    - by Chris Klepeis
    I'm building a 4 layered ASP.Net web application. The layers are: Data Layer Entity Layer Business Layer UI Layer The entity layer has my data model classes and is built from my entity data model (edmx file) in the datalayer using T4 templates (POCO). The entity layer is referenced in all other layers. My data layer has a class called SourceKeyRepository which has a function like so: public IEnumerable<SourceKey> Get(SourceKey sk) { using (dmc = new DataModelContainer()) { var query = from SourceKey in dmc.SourceKeys select SourceKey; if (sk.sourceKey1 != null) { query = from SourceKey in query where SourceKey.sourceKey1 == sk.sourceKey1 select SourceKey; } return query; } } Lazy loading is disabled since I do not want my queries to run in other layers of this application. I'm receiving the following error when attempting to access the information in the UI layer: The ObjectContext instance has been disposed and can no longer be used for operations that require a connection. I'm sure this is because my DataModelContainer "dmc" was disposed. How can I return this IEnumerable object from my data layer so that it does not rely on the ObjectContext, but solely on the DataModel? Is there a way to limit lazy loading to only occur in the data layer?

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  • Serialize .Net object to json, controlled using xml attributes

    - by sprocketonline
    I have a .Net object which I've been serializing to Xml and is decorated with Xml attributes. I would now like to serialize the same object to Json, preferably using the Newtonsoft Json.Net library. I'd like to go directly from the .Net object in memory to a Json string (without serializing to Xml first). I do not wish to add any Json attributes to the class, but instead would like for the Json serializer use the existing Xml attributes. [XmlRoot("hello")] public class world{ [XmlIgnore] public int ignoreMe{ get; } [XmlElement("foo")] public int bar{ get; } [XmlElement("marco")] public int polo{ get; } } becomes "hello":{ "foo":0, "marco":0 }

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  • MS Chart Control Scale - Line graph show 12 months

    - by Mike
    Hi, On my X Axis, I have months. The chart shows up to 11 points, i.e. Jan - Nov of the same year, but when I add 12 points (Jan - Dec), it will do an auto label thing and change the interval for every 4 months. How can I change the graph so that it shows 12 months before it does the auto labels? Here is the server control code I am currently using. <asp:CHART ID="Chart1" runat="server" BorderColor="181, 64, 1" BorderDashStyle="Solid" BorderWidth="2" Height="296px" ImageLocation="~/TempImages/ChartPic_#SEQ(300,3)" ImageType="Png" Palette="None" Width="700px" BorderlineColor=""> <legends> <asp:Legend BackColor="Transparent" Font="Trebuchet MS, 8pt, style=Bold" IsTextAutoFit="False" Name="Default" Alignment="Center" DockedToChartArea="ChartArea1" Docking="Top" IsDockedInsideChartArea="False" Title="Legend"> </asp:Legend> </legends> <series> <asp:Series BorderColor="180, 26, 59, 105" BorderWidth="2" ChartType="Line" Color="220, 65, 140, 240" MarkerSize="6" Name="Series1" ShadowColor="Black" ShadowOffset="2" XValueType="DateTime" YValueType="Double" LabelFormat="c0" LegendText="Actual" MarkerStyle="Circle"> </asp:Series> <asp:Series BorderColor="180, 26, 59, 105" BorderWidth="2" ChartType="Line" Color="220, 224, 64, 10" MarkerSize="6" Name="Series2" ShadowColor="Black" ShadowOffset="2" XValueType="DateTime" YValueType="Double" LabelFormat="c0" LegendText="Projected" MarkerStyle="Circle"> </asp:Series> <asp:Series BorderColor="180, 26, 59, 105" BorderWidth="2" ChartArea="ChartArea1" ChartType="Line" Legend="Default" Name="Series3" LabelFormat="c0" XValueType="DateTime" YValueType="Double" Color="0, 192, 192" MarkerSize="6" ShadowColor="Black" ShadowOffset="2" LegendText="Actual Credit Limit" MarkerStyle="Circle"> </asp:Series> </series> <chartareas> <asp:ChartArea BackColor="#DEEDF7" BackGradientStyle="TopBottom" BackSecondaryColor="White" BorderColor="64, 64, 64, 64" BorderDashStyle="Solid" Name="ChartArea1" ShadowColor="Transparent"> <area3dstyle inclination="40" isclustered="False" isrightangleaxes="False" lightstyle="Realistic" perspective="9" rotation="25" wallwidth="3" /> <axisy linecolor="64, 64, 64, 64" islabelautofit="False" isstartedfromzero="False"> <LabelStyle Font="Trebuchet MS, 8.25pt, style=Bold" Format="c0" /> <majorgrid linecolor="64, 64, 64, 64" /> </axisy> <axisx linecolor="64, 64, 64, 64" intervaloffsettype="Months" intervaltype="Months" islabelautofit="False" isstartedfromzero="False"> <LabelStyle Font="Trebuchet MS, 8.25pt, style=Bold" Angle="-60" Format="MMM yy" /> <majorgrid linecolor="64, 64, 64, 64" /> </axisx> </asp:ChartArea> </chartareas> </asp:CHART> Thanks.

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  • WCF, net.tcp, and ASP.NET development server

    - by bryanjonker
    I'm setting up a net.tcp WCF service using instructions here: http://blogs.msdn.com/swiss_dpe_team/archive/2008/02/08/iis-7-support-for-non-http-protocols.aspx One of the steps says to do the following: "If you open the IIS7 management console and you look at the advance setting of our IIS7HostedService Web Application, you will see that in the Enabled Protocols section just http is defined. You now have to add net.tcp (separated by a comma), so that our service will be able to respond also to TCP requests." This is fine, but what if I want to use the Cassini / VS2010 ASP.NET development server to debug (hitting F5 or cntrl-F5)? I don't think there's a way to change the settings in that IIS. Or is there? Are other programmers just so awesome that they don't need to go through the debugger? Or do they use wsHttpBinding?

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