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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2
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3answers
523 views

can you have too many dto/bo - mapping method

I have a windows service, 2 web services and a web interface that need to follow the same path (data wise). So I came up with two ways of creating my solution. My concern is the fact that the ...
1
vote
1answer
39 views

What does “Stateful” means in Stateful ViewModel in MVVM

I was reading about some XAML patterns, and there was the Stateful ViewModel, according to what I read it has nothing different than what we as just the "ViewModel". Here's a description for example ...
0
votes
1answer
69 views

C#/.NET multithreaded application design

The application to be designed serves as a bridge between two different systems. One natively speaks TCP (RS232 actually, but there's a COM->ETH server in the line of communication) - the other one is ...
0
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0answers
25 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 ...
-1
votes
0answers
56 views

Relationship between .NET for Linux and Mono [on hold]

Microsoft announced last year that .NET will be open sourced. How does this impact the relationship between Mono and .NET for Linux. Will .NET Linux supersede Mono or will parts of of Mono go into ...
0
votes
1answer
70 views

Using C#-MSSQL for smartphone apps cloud back-end with large user-base? [on hold]

We are going to develop a Smartphone application (Will be cross-platform in the long-term with Android,Windows and iOS front-ends) with a expected users around 500 thousands. We need a cloud back-end ...
-1
votes
1answer
49 views

Any library or dll to use to give a free lancers project from clients who accept your work but not pay [closed]

I've been thinking about getting into the free lance field (using sites like guru.com or freelance.com). Something I see in the FAQ's is that there's been numerous instances where the client got an ...
0
votes
0answers
36 views

What OpenID Connect flow is right for me?

Here's the deal. I have a .NET MVC5 web application that I'm moving up to the OpenID Connect standard. I also would like to be able to access controller methods from a mobile app (much like an API) ...
1
vote
1answer
116 views

How to optimize the application with huge number of database requests per minute

I have to provide free demo of some service to end users in my application. Free demo could be of 30 mins, 1 hours, 5 hours etc. (predefined time) for a new user for one time only. User can also ...
17
votes
3answers
1k views

Java and .NET: Why different sorting algorithms are used by default?

Just wondering why Java and .NET Framework uses different sorting algorithm by default. In Java Array.Sort() uses Merge Sort algorithm by default and as Wikipedia.com says: In Java, the ...
0
votes
3answers
43 views

How to test Windows .NET TCP program handling of connection failure [closed]

I've written my own C# TCP communications module (using SocketAsyncEventArgs, although that's presumably irrelevant). My module runs at both ends of the connection, client and server. As part of the ...
8
votes
3answers
789 views

Is 'using' appropriate in a context where there is nothing to dispose?

In C#, using statement is used to dispose in a deterministic manner the resources without waiting for garbage collector. For example, it may be used to: Dispose SQL commands or connections, Close ...
0
votes
1answer
36 views

MVC: Creare sub folders under View

I am working on a small ERP Application and using MVC5 for it. I have several Modules in the application and each module contain several web pages (Views, you can say). i.e: for School application I ...
2
votes
4answers
568 views

Why does Microsoft still ship VBA within Office products, instead of integrating .NET directly? [closed]

I know that it's possible to call .NET code from your VBA code, but why does VBA continue to exist? The only reason I can think about is legacy. I just had to sort a Scripting.Dictionary and the ...
2
votes
3answers
115 views

Many different classes that need similar functionality. Best approach?

I have many (at the moment around 30) different message classes in an application I am creating. Each of these messages need to be serialized and deserialized. However, the process of serializing and ...
24
votes
3answers
3k views

How much work should I place inside a lock statement?

I am a junior developer working on writing an update for software that receives data from a third-party solution, stores it in a database, and then conditions the data for use by another third-party ...
1
vote
1answer
91 views

Under what cirumstances would type 'System.Object' qualify for serialization?

I'm in charge of a comprehensive serialization format with support to serialize runtime objects (any derived type of Object). I can't find a sane scenario where one would choose to serialize an ...
3
votes
1answer
227 views

Tracing an object

Suppose I want an object with a list of strings and every method that this object gets passed to adds its name to the list of strings. Basically it's a stack trace, except unlike a stack trace it ...
1
vote
3answers
176 views

C# Subject Observer Architecture question

I'm making a C# application using the Subject Observer design pattern in a slightly different way. I am passing the Provider Class, implementing IObservable (this has the OnNext() method that ...
3
votes
2answers
138 views

How do you find out what resources are unmanaged?

Looking through the .NET documentation, specifically the WebRequest class, I don't see any information indicating that I should wrap an instantiation of it in a using statement. Even the provided ...
1
vote
2answers
373 views

Using Statement lambda in exception handling

Following is a code snippet from MVP Win Forms application and this explanation would be helpful when answering the questions. My DAL doesn't handle exceptions and it will be propagated up to the ...
1
vote
2answers
60 views

What's the correct way to architect multiple ASP.NET MVC applications dealing with similar data?

I am currently working to replace a bunch of legacy applications. The first one is getting close to being released, which will mean I will be starting the second one. Each application deals with a ...
10
votes
4answers
3k views

Should one use Dependency Injection even if the class is used only once? [duplicate]

During a code review I have started having a bit of a dilemma as to whether use dependency injection or not. I would like to hear your thoughts, because this is kind of an ongoing theme and would help ...
1
vote
1answer
209 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 ...
0
votes
1answer
115 views

What's the point/Use of writing out just the method signatures for an API in .Net Web Api

I have been asked to write the signatures for and API end points GET/POST/PUT methods. I'm having a hard time wrapping my head around what the point of this is. My co-worker asked if I could do this ...
0
votes
0answers
14 views

C# How to define TcpListener for IP address [migrated]

I have looked through some examples of TcpListeners and TcpClients , and in one example the server side TcpListener is declared like this TcpListener listener = TcpListener.Create(8080); ...
1
vote
1answer
53 views

Where view models inside Web project of n-tier application should be placed?

Let's assume we have an ASP.NET MVC web application with following tiers: Business logic Entities (business domain and database POCOs) Common (resources, consts) Data access (database EF queries, ...
1
vote
0answers
33 views

Receive data using TcpListener and TcpClient and distinguish between file and raw data [migrated]

I am having a really hard time figuring out how to make my program work, here is what it is: Server and Client apps Client app will send data to the Server directly, using TcpClient Client app will ...
1
vote
1answer
59 views

Use of FindWindow and window handles within a Windows service

I've got a third-party vendor who is installing a series of Windows services to a (Windows 2008 R2) server in my control. Whilst attempting to run each service under its own least-privilege account, ...
4
votes
3answers
1k views

Best way to define, start and stop threads in C#

I am making a little program, which have few Threads, constantly running. At some point, I may want to stop one of them, and then, after random period of time, to start it again. So first, what is the ...
1
vote
2answers
167 views

Best approach for a server configuration data collection and reporting solution from a legacy script?

I have a project which involves collecting config data from windows servers in our (very large) server estate. My manager wants me to collect over 150 data items across all configuration areas ...
0
votes
2answers
111 views

Server and Client apps that will send files and other info to each other

I am trying to do a Server and Client programs, that will communicate with each other, but I can't figure out the best way to do it, so let me explain what I need: The Server app should be able to ...
1
vote
2answers
212 views

How do I find a good middle way to make this library safe for concurrent operations

I've made a little library called SignalR.EventAggregatorProxy Before I push it into 1.0 state I need to fix so it works safely with concurrent operations. Easiest way is lock all operations but ...
0
votes
2answers
116 views

Simple TimeZones

I need to send out emails based on a timestamp. But the timestamp must be what the user expects it to be. The timestamp is set by the user submitting an object. E.g Al from L.A in the U.S saves an ...
2
votes
1answer
508 views

Separation of retrieving data and business objects between DAL and BLL Layers

I did some research before posting this question. Among other questions or post, one of those is provided below. I could not get a clear mind how to determine.. Business Objects within a Data Access ...
0
votes
1answer
244 views

How do we isolate dependencies for a .Net app deploy in a way which is safe for a strongly-named assemblies?

To design in such that it is easy to deploy dependencies with your app, and so that development environments are easy to set up, it is advantageous to isolate an app's dependencies from it's ...
0
votes
0answers
100 views

How is CancellationToken.IsCancellationRequested updated?

I've been doing some refactoring today and I encountered one interesting thing. I've extracted a method from a code which uses a cancellation token passed to it in order to check if the user did not ...
1
vote
2answers
85 views

Is storing data that rarely changes in-memory a good candidate for a singleton/cache?

I have a class called DataPoint that is defined like the following. Currently, it goes through each property on an object and based on the DataPoint, it does some formatting like padding, trimming, ...
2
votes
1answer
46 views

Peculiar architecture interfacing .NET to AutoCAD out-of-process

I have written a set of classes to interact with AutoCAD from an out-of-process .NET assembly, but it seems like my class architecture and interactions are unusual. I am struggling to find a better ...
2
votes
1answer
194 views

When designing a data structure, should I implement very inefficient operations for convenience?

(I've added the .NET tags because the data structures are for .NET, and this question should be considered in the context of the conventions for that platform.) I'm writing a library of immutable and ...
1
vote
5answers
98 views

How much data from a web service should I expose in a library?

I'm working on a personal project, a library that can access the weather forecasts and other weather related data from it. However, a lot of the returned data is sometimes quite redundant or simply ...
0
votes
1answer
41 views

proper exception handling (throwing/message) dll libary

I just wrote a dll library using vb.net. while testing, i got an error which i did not initially use a try-catch block. The code is Try 'The first four bytes are for the Command ...
2
votes
1answer
82 views

Mixing REST and websocket in the same API

A bit of background first, I'm working on an application that manages a piece of physical equipment with motors, stuff like that. When I started on the project, there was an existing application, ...
1
vote
1answer
121 views

One dll or many? [duplicate]

I currently have one "library" dll that has one module for each topic: Text, Reflection, Security, Math, FileSystem, FTP, Mail, Serialization, etc. In each module are public helper methods that may ...
6
votes
1answer
408 views

What is the purpose of Code analysis and when do I need to use it?

I heard about Visual Studio's Code analysis but never used one. I've read MSDN, but still don't understand the real use of Code analysis. Isn't it the same as StyleCop? Somewhere, FxCop was also ...
1
vote
1answer
111 views

Using and referencing external executables in a solution

I have an application written in AS3 which I need to be able to start up from my C# application. I have a prototype that does this just fine but my question is in relation to how I would arrange my ...
0
votes
2answers
100 views

What naming convention should you use for data objects solely meant for parameters

This is my pseudocode for DAL: CusOrderDTO GetCustomerOrder(DateTime OrderDate, string customerCode) CusOrderDTO orderSet = new CusOrderDTO() * query data from database, populate CusOrderDTO ...
21
votes
4answers
2k views

Is it worth even checking to see if Guid.NewGuid() is Guid.Empty?

In one of the projects I'm working on the following pattern is seen on a fairly regular basis: var guid = Guid.NewGuid().ToString(); while (guid == Guid.Empty.ToString()) { guid = ...
2
votes
3answers
212 views

3 tier architecture in .NET web applications

Nowadays most systems are designed as web apps. In the .NET world the famous three tier architecture is usually translated like this. Front End (Web Application) Middle Tier (custom DLLs using an ...
0
votes
2answers
112 views

Create the fields in class level then instantiate inside methods or create and instantiated inside methods

I'm a newbie in software development. Just wondering which code is better and why should I continue which pattern should I follow. First Snippet: Class TestClass { private Object1 field = null; ...