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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5
votes
2answers
330 views

Was .NET's IObserver<T> intended for subscribing to multiple IObservables?

There are IObservable and IObserver interfaces in .NET (also here and here). Interestingly, the concrete implementation of the IObserver does not hold a direct reference to the IObservable. It ...
3
votes
1answer
190 views

Compiler warnings and errors [duplicate]

I come from a C# background before my existing role. I am developing a VB.NET app. The code I inherited had option strict set to off and all other directives set to 'None'. I have recently switched ...
2
votes
2answers
414 views

When to use [Pure] on a constructor?

I'm learning about code contracts in .NET, and I'm trying to understand the idea of pure constructors. The code contracts documentation states: All methods that are called within a contract must ...
-1
votes
1answer
82 views

Choosing a file format to storage a simple text data [closed]

My .NET application makes its work and then creating a report (an Excel worksheet). The report holds thousands of short text strings [KEY - VALUE], so excel worksheets suites very well, one column ...
1
vote
1answer
225 views

Architecture of large-scale API (User Management)

We are currently designing an API that will hide different services (Product, Content, User etc) that will be used by our own website, our own apps etc. It is not a public API. We are looking into ...
1
vote
1answer
165 views

What does it mean when code “runs on” the .NET CLR?

The .NET CLR is not an interpreter, since code gets compiled to native code by the JIT compiler. So I find the usual description of code "running on" the CLR confusing. How does the native code ...
3
votes
1answer
111 views

Architecture for maintaining/executing multiple versions of same strategy / functionality in live application

So I am working with a customer who has an older application that has quite a few interesting quirks. Among other things, it has its own code version system for business functions, by storing the ...
2
votes
2answers
347 views

Reduce number of if statements through design pattern

I had a loop through object Process, each process instance can be of a different type, derived from Process base class (e.g.: Process1, Process2,...). Each derived type of Process has different ...
2
votes
3answers
480 views

invoking methods within a conditional expression

In an oft-cited (if dated) reference for C# coding standards (pdf; from Lance Hunt), the statement is made, 33. Avoid invoking methods within a conditional expression. I've not seen this ...
3
votes
1answer
207 views

Showing a View from another View in MVP

This question is regarding MVP triads. Lets say I have two triads and first one has View1, Mode1 and Presenter1. Second triad has View2, Model2 and Presenter2. Now what I trying to do is, I just want ...
1
vote
1answer
291 views

Presenter accessing the value in text box using sender object

I have following method in my presenters which validates the user inputs on the UI. Basically to capture the value of the text property of the text box, it uses sender object which was passed in by ...
0
votes
0answers
126 views

UI Field validation in MVP pattern

I want to validate the details provided by the user before taking them into the processing. My UIs have Text boxes, Combos mainly and, there are some fields that user must provide a data, in some ...
0
votes
1answer
221 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
1answer
131 views

Exception handling in WIn Forms application

When handling exceptions for example in a method in my presentation logic, is it ok to catch all possible exceptions in a one catch block as follows if the only purpose here is alerting the user. ...
1
vote
1answer
148 views

DAL Exception handling in a MVP application

In a MVP win forms application I'm handling exceptions as follows in DAL. Since the user messaging is not a responsibility of DAL, I want to move it in to my Presentation class. Could you show me a ...
1
vote
4answers
383 views

Circular dependency and object creation when attempting DDD

I have a domain where an Organization has People. Organization Entity public class Organization { private readonly List<Person> _people = new List<Person>(); public Person ...
-1
votes
4answers
365 views

Advice for beginner programmer [closed]

I am beginner in software development. I noticed when I try to learn one technology let's say .NET I lose my grip over other for example Java. I thought it would be better to concentrate on one ...
1
vote
0answers
76 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 ...
0
votes
1answer
154 views

Good approach for hundreds of comsumers and big files

I have several files (nearly 1GB each) with data. Data is a string line. I need to process each of these files with several hundreds of consumers. Each of these consumers does some processing that ...
1
vote
1answer
200 views

Why is String Templating Better Than String Concatenation from an Engineering Perspective?

I once read (I think it was in "Programming Pearls") that one should use templates instead of building the string through the use of concatenation. For example, consider the template below (using C# ...
0
votes
0answers
28 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 ...
0
votes
0answers
119 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 ...
-3
votes
1answer
125 views

Wrong encoding in DataReceivedEventArgs [closed]

I start cmd.exe process and redirect stdin to pass script to it and redirect stdout and stderr to read cmd's output. Here is the code of my DataReceivedEventHandler: (o, a) => { ...
0
votes
0answers
43 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 ...
2
votes
3answers
208 views

What is a good way to share internal helpers?

All my projects share the same base library that I have build up over quite some time. It contains utilities and static helper classes to assist them where .NET doesn't exactly offer what I want. ...
0
votes
2answers
303 views

Client auto-detect required server

I have a project that requires a client app to communicate with a server. I was wondering if there is a way for the client app to detect available servers and "know" by some method or another which ...
0
votes
0answers
447 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 ...
0
votes
1answer
230 views

What language is better for working with databases? [closed]

I am going to develop a software that works with different databases and I'm considering whether to use .NET languages or C++. I've known that .NET features LINQ and ADO.NET but are there features ...
2
votes
2answers
350 views

How to unit test without mocks and not be tied to a concrete implementations of an interface

I consider myself to be a 'mockist' on the 'mockist' vs 'classicist' debate, but I am trying to understand the other point of view. Imagine I have this class, where a concrete instance of IDependency ...
2
votes
1answer
518 views

Release management with Azure and Visual Studio Online (Cloud TFS)

What strategy would you use to manage the releasing of versioned software to Azure cloud services (web and worker roles)? We are not looking for continuous integration. We are using Visual Studio ...
1
vote
0answers
101 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 ...
2
votes
1answer
730 views

entity framework 6 agnostic enough different sql server and OS platforms?

It's my first time using sql server, I usually go with MySQL, so I'm unsure how to do this. The project I'm assigned will be deployed to multiple platforms particularly PC's with different SQL server ...
1
vote
1answer
164 views

Previous programmer died unexpectedly; how do I pick up where he left off? [duplicate]

I have recently taken a job finishing the development of a .Net application. The delivery of the application is two years behind schedule. The previous developer died before I had a chance to meet ...
1
vote
1answer
596 views

WCF service - best way to accept requests from a client and do background work?

For a project at work, I was tasked to create a WCF service that will receive email messages from client and queue them on a database, while at the same time the service will check the DB every 30 ...
0
votes
1answer
173 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
1answer
141 views

Project Organization

I have been having a discussion with a colleague about the best way to organize a (C#)project after he reorganized a project I had been working on from something that looked like this: To something ...
2
votes
2answers
256 views

As a .NET WPF developer what are key differences I should be aware of when working with ASP.NET MVC? [closed]

I'm a fairly experienced desktop .NET developer with a solid feel for MVVM and WPF, and I've worked with JavaScript, jQuery and HTML/CSS in the past - though I'm pretty dated and haven't had a ton of ...
1
vote
1answer
43 views

Embedding XACML PDP?

I need to implement a flexible Access Control system for a framework used by a couple of .NET applications. I have looked into Attribute-Based Access Control (ABAC) and XACML and this seems to ...
5
votes
5answers
541 views

How to enforce implementation of interface to behave a certain way

Suppose you had the following interface public interface IUserRepository { User GetByID(int userID); } How would you enforce implementers of this interface to throw an exception if a user is ...
2
votes
1answer
157 views

Should classes that define settings and application configuration follow SOLID?

I'm just wondering if you have an application where you define a class that defines some user configurable settings (from an xml file, or a GUI), should you design it so that it follows SOLID as much ...
1
vote
1answer
655 views

How to handle exception in REST API

Given a REST API, which throws an exception when handling a request from a client. Whenever the REST API throws an exception, it's logged and the application (in this case a console application) ...
-1
votes
1answer
139 views

Designing XML - confused between attributes and elements [closed]

I have to design an xml structure to set standard data exchange with my client. We deal with payments and its related data. At now, my XML data looks like this: <PAYMENTS> ...
2
votes
1answer
85 views

How does one deliver messages to (and query from) sites with possibly bad connectivity, having numerous WCF Soap and Web API services?

My company is investigating using a service bus. Currently we have running prototypes of NServiceBus and Microsoft Service Bus (on premise). I'm quite happy with the pub-sub and topic messaging ...
3
votes
1answer
715 views

Why did Microsoft dropped the RESX model for RESW in Windows Store applications?

Why did Microsoft choose to change the resources management system from .NET's RESX files? RESX had useful code generation, providing developers auto-completion for resources names and outputting ...
0
votes
3answers
221 views

How to restrict the violation of an N-Tier Architecture

Recently we fitted a 4-Tier Architecture in our project composed by the following four main layers : User Interface Layer. Data Access Layer. Domain Layer. Business Layer. All the layers fulfill ...
3
votes
1answer
215 views

How to process document state transition?

Imagine there is an application (ASP.NET MVC) that processes some documents. The document must be revised several times by different group of users. state/role rules: simple user can only publish ...
1
vote
1answer
297 views

alternate approach of binary serialization/de-serialization

Is it possible to convert a list of object directly to byte[] (and vice versa) to gain performance (by avoiding serialization/de-serialization)? What I have in mind is that a list is somewhere in ...
0
votes
1answer
87 views

Flexible authorization design in ASP.NET pages?

I'm developing an ASP.NET webforms application with pages which displays information based on the authorization level of the authenticated user (very typical). I will write a simple example of the ...
1
vote
2answers
859 views

Testing C# Eventhandler Subscription

I want my unit tests to be able to verify that some events were subscribed or unsubscribed at specific points. Currently, I see two options. VerifiableEventHandler Each client subscribes using the ...
0
votes
1answer
321 views

The problem of dependencies management

Let's consider the next situation: We have a module A which has a class Crt570 intended to interact with a device. We have a module B which uses Crt570 in the class called M100Communicator. We have ...