Questions tagged [.net]

The .NET Framework is a software framework for Microsoft Windows operating systems. It includes an implementation of the Base Class Library, Common Language Runtime, and Dynamic Language Runtime. It supports many programming languages, including C#, VB.NET, F# and C++.

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7
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1answer
830 views

Injecting data processing logic into class

I want find more elegant and appreciate way to inject processors into CommandProcessorDispatcher class. Or it can be another one solution (the goal is separate each command processing logic to ...
6
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1answer
408 views

Clarification about Event Producer in StreamInsight

I need a small clarification about StreamInsight, I know by doc's that StreamInsight can handle multiple concurrent Events. But will the event producer be a separate function, for ex: I need to watch ...
4
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1answer
798 views

Writing a Compiler - .reloc section of the COFF

I'm looking for a little bit of direction in writing a compiler. I've written in Common Intermediate Language, C#, and various other .NET languages; I've written my own Metadata Parser and now I'm ...
3
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0answers
176 views

Using C# to implement an F# type provider

I am in a situation where I believe type providers would be useful. Consuming type provider in F# could be the way I finally dip my toes in F#. However, I understand that writing type providers is ...
2
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1answer
141 views

DDD / Onion architecture in JavaScript

One reason I like .NET is because the 'solutions' and 'projects' lends themselves to good architecture. Good architecture makes it easy to follow the happy path of Domain-Driven Design. I've fallen ...
2
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0answers
299 views

How can I resolve circular dependency within service layer in a n-tier architecture system?

I am currently starting a new project with a 4-tier architecture design. The layers is set as follow. +------------------+ +---------...
2
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0answers
318 views

How to separate data layer from business layer?

My current .NET project looks like below: Solution (.sln) --BusinessProject A (.proj) --BusinessProject B (.proj) --DataLayer (.proj) --A separate project calling ExternalService 1 (folder) --A ...
2
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0answers
115 views

Better dynamic user permissions

I support an Internal ERP system and an external Reporting/Dashboard that our customers use that both use the same database. Internal normal application users can control what customers can access ...
2
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0answers
88 views

Designing a web based smart card publisher

I'm working on an application that's supposed to have a web based GUI where you can insert some data. That data will be saved in persistent storage and a hex number generated and stored alongside. ...
2
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0answers
245 views

Callback pattern handling exceptions - Best practices in .NET 3.5

I am looking to implement the callback pattern with error handling such that error is caught and pass to the callback code with the response. Since I am using .NET 3.5, I cant use Task (TAP) pattern ...
2
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0answers
313 views

Handling permissions in a MVP application

In a windows forms payroll application employing MVP pattern (for a small scale client) I'm planing user permission handling as follows (permission based) as basically its implementation should be ...
2
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0answers
51 views

Source control: projects which share a 3rd library which is still under development in RTC

this is not a new question for source control, but IBM's Rational Team Concert is a slightly different animal than Git, SVN, etc. We have a number of .NET web sites under development with Visual ...
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0answers
220 views

Software License for project using .NET and Sql Server Express

I considering making my application open source on github. I don't intend to sell it (neither in binary form nor source code form). It probably isn't even useful to a lot of people except maybe for ...
1
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1answer
30 views

How to properly handle deployment configuration for Xamarin Forms app

We are currently working on a Xamarin Forms (.NET Core) application. We use Microsofts DevOps for the code repo, building and deployment. Since we want to test newly developed features in a safe ...
1
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1answer
48 views

Micro-services architecture for Data Ingestion/Transformation pipeline project

I am working on designing a brand new Data Ingestion Pipeline with the Key highlights of the new project are as follows: Download and Update data to/from SharePoint using SharePoint APIs Download and ...
1
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1answer
137 views

Securing cross DLL references within an Application

I am developing a. NET application. One of my DLLs manages all the security (data encryption, license management, etc). I was wondering if someone could somehow substitute this DLL file with one of ...
1
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0answers
23 views

DataTable Processing: Want lowest result

(Hi there, not entirely sure if this is the right place to ask, sorry if it isn't!) I am knocking up a fairly quick and dirty Visual Basic.NET application that essentially is a DB UI for my day job, ...
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0answers
70 views

Wrapper method for ConfigureAwait(false)?

Does it make sense to declare a async method as private and then create a public method to act as a wrapper that calls the private method with ConfigureAwait(false)? The intended purpose is design an ...
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0answers
81 views

Is there a pattern/cleaner way of saving a large object with multiple nested classes?

I'm in the midst of a rather large project which involves decomposing a very old and large ColdFusion legacy application and creating some .NET services in it's place. Due to this, there are some ...
1
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0answers
81 views

What is the best way to implement an HTTP endpoint with different return types?

I need to make an HTTP endpoint with different return types based on query params. There are several options to do that: Return an object with one property set and the rest equal to null: public ...
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0answers
74 views

Does a manufacturing plant need to have CMMI (Level 2 or otherwise) compliance?

I'm giving a presentation tomorrow on Software Process and Machine Learning. My primary goal with the process slides are to get across that most of it is really reliant on project management and ...
1
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0answers
88 views

Proof-of-concept of brokerless P2P NServiceBus with Request-Response. Worth trying?

I'm new to message queueing. I'm trying to do a proof-of-concept of a messaging architecture for communication between multiple windows desktop apps of the same type. In simpler words, several ...
1
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0answers
248 views

.NET server object instance: Singleton vs Per Call vs Per Client in the context of a 2 tier architecture

Note: This is a theoretical question weighing up the pros and cons of server object instancing, the tier architecture is not the topic of the question. My question is simply whether my thoughts are ...
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0answers
266 views

Centralized management of app.config parts for self-hosted .NET services

What will be the best way to handle these scenarios, if they are not one-time, but regular: Self-hosted services on quite a bunch of machines are needed to be reconfigured to a different database in ...
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0answers
45 views

Securing an Azure Service Bus topic and subscriptions

We are working on a solution that will publish messages on an Azure Service Bus topic but we don't know yet which other team or even third party might be interested in subscribing to those messages in ...
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1answer
5k views

use of minOccurs=“0” without nillable=“true” in SOAP

I have received an XSD from a 3rd party supplier generated from a Java based system; which is to be used to create a SOAP endpoint for us to receive data transfers. Their XSD does not make any use of ...
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0answers
807 views

Architecture for C# Chat Application - not sure if WCF is right

I had written a WCF based "chat/notification" system but I am questioning my decision if WCF is a good fit. I have an external 3rd party lib that calls my process when events arrive: public class ...
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0answers
98 views

Referencing a executable (game-)server

I am currently working on a little MonoGame project. While planning this, i came to a problem: I want to separate the game logic to an other assembly. The client and the server need this logic ...
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0answers
390 views

Why does the EF query plan cache eviction algorithm reduce the cache to its cleanup trigger size, causing a perpetual cleanup?

The cache eviction algorithm for query plan caching in Entity Framework is described in section 3.2.2 as this: Once the cache contains a set number of entries (800), we start a timer that ...
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0answers
119 views

Should all public API POCO value-type properties be nullables?

I use nullable value types a lot when designing classes that have properties which may remain null, i.e. when the object is being persisted. For example: public int? MyProperty { get; set; } My ...
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0answers
368 views

Reading large files for ETL program POC

I'm looking for some information on how to increase the performance of reading large text files for use in an ETL process. We're currently using a proprietary program that is more of a scripting ...
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0answers
189 views

Switch Configuration of Several .Net Programs for Several Sections in a Simple Way

We build a highly configurable .Net Client/Server application. (Client is C#/WPF, Server is C#/WebService) There is a single code base, but each customer has its own 'profile'. The profile contains:...
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0answers
43 views

Preloading expensive resources

I have a significant quantity of external resources that I need to load. It takes about 5 minutes to fully load (about 16 gigs of data). These are basically third party image patterns that I have to ...
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0answers
351 views

Mono: C call into managed with COM Interop

I am trying to design a managed library to implement -what appear to be- unmanaged VST3 plugins. The VST3 plugin interface is a C/C++ interface-based API that is compatible with COM (ref-counting, ...
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0answers
379 views

Large invoice database structure and rendering

Our client has a MS SQL database that has 1 million customer invoice records in it. Using the database, our client wants its customers to be able to log into a frontend web site and then be able to ...
1
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0answers
114 views

Implement SSO login with or without Membership

I need to implement SSO for four different domains, say abc.com pqr.com sql.com xyz.com Now, I have already login system for two of my applications using Membership. But now requirement is changed, ...
1
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0answers
3k views

Updating GUI in 'realtime' using events

My Plan Have a system that holds some objects Have a winforms-form that displays some key values of these objects When certain changes occur(object gets add / removed / datat change): Update GUI My ...
1
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0answers
81 views

Strong Name signing order for dependant projects

I have two project A(.EXE) and B(.DLL) in the solution. A references B. If I delay sign both and send them for full signing. Will A be able to load B after ? Or do I have to get B fully signed first, ...
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0answers
879 views

Is OAuth (2.0) is the right choice to make WCF WebService secure?

I have WCF webservice which serves to various mobile application. This was implemented with typical HTTPS/SSL. But there are some cases like Replay Attack needs to be considered in the security aspect....
1
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1answer
487 views

Architecture for Windows 7 Embedded and Windows 10 IoT

I am in the process of refactoring a large application originally written in .NET 2.0, running on an old version of Microsoft's Compact Framework. The idea is to refactor and rewrite the code so that ...
1
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1answer
619 views

MVVM with DI, view model location and shared service data

I have a couple of questions regarding MVVM view models. I have 3 view models in my scenario, which I have put together a shorter sample below. I was looking for a nice solution for 3 views working ...
1
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1answer
963 views

What is the best and most optimized way to return a filestream from a .NET WCF SOAP service?

To give some background, i have a WCF SOAP service in .NET that needs to return pdf files. This service will be used by multiple application, many times in a day. The size of the files returned varies ...
1
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1answer
2k views

.NET software design and Oracle ODP.NET UDT

I'm working on a new common .NET software design (mainly) for WCF-based web service applications with related client frontends (all written in C#). As far I've chosen some frameworks (NUnit,Autofac/...
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0answers
47 views

Need some design advice on my ORM for Immutable objects & ref passing

I'm adding Immutable objects support to my Micro ORM called "Symbiotic" In the case of a create, I need to pass back a newly created version of the value passed in because the object is immutable and ...
0
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0answers
49 views

Synchronization data between API (server) and local database : C#

I hit an API which gives a list of chairs with their location. I save this data in my local database. Whenever I received updated data like add a new chair, update location of the chairs and delete a ...
0
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0answers
108 views

Tradeoffs between Testability and Performance when filtering using SQL vs LINQ

My team has recently decided to adopt the CQRS pattern similar to the one used in the famous Microsoft EShopsOnContainers repository. In this solution, the queries are made in Query classes using ...
0
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1answer
81 views

Appropriate pattern for injector that sets a property and client that ONLY gets a property

Suppose I have a method in client code that expects an interface... void DoWork(IDataManager data) { //use IDataManager interface in the DoWork method } And the IDataManager interface looks like ...
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0answers
51 views

Separate Class for Current User vs List of Users?

Suppose I have system with a User class, meant to represent one row in a database table of users of the system. There will be queries for the administrator's screen reading a list of all users, in ...
0
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1answer
138 views

Factories to create same objects with different data sources

I have several handlers classes that implements same interface and factories to create handlers. Handlers: public class Handler1 : IHandler { private readonly IService1 _service1; private ...
0
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0answers
15 views

Pass Data From SSIS To External Component

I currently have an SSIS package whose final task is a Script Task which works with data in a DataTable. I need to add the following functionality: Execute an external batch component that will use ...