C# is a multiparadigm, managed, garbage-collected object-oriented programming language created by Microsoft in parallel with the .NET platform

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-1
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0answers
15 views

Text script to .net code [on hold]

I have a set of text files which contain the keywords. I need to generate C# code / C# classes by reading these files using C#. Each text file is meant for a class. The keywords map to methods in the ...
6
votes
1answer
67 views

Is it bad to create classes whose sole purpose is to be converted to another class implicitly?

Imagine a situation where we're using a library that allows you to create Circle objects, where you can specify the radius and the center of the circle to define it. However, for some reason, it also ...
2
votes
1answer
381 views

How to backup data and images in this project? [closed]

I have MS C# and MS SQL 2008 database project. It can capture employees' records with pictures of more than 1000 records. Presently, I'm able to capture say 150 records on PC1 using my installed C# ...
2
votes
1answer
123 views

Why and when would you use a .NET framework data type?

I've seen an increasing trend of people submitting code to SO that includes the use of .NET Framework data types. I understand that the .NET Framework has its own data types (like Int16, Int32, ...
0
votes
0answers
28 views

Knowledge base UI pattern

In our database backed (C# WPF / Entity Framework) application, we want to build a system to enter, store, display and search arbitrary content linked to our main entity. The challenge here is to find ...
1
vote
1answer
111 views

What is the correct reusable architecture using Entity Framework for common database tables and services?

Context I have a line of business application "MyApp" in C# using EF. Layers are separated as MyResusableLib.DataAccess // Class Lib: EF based utils, extension methods, MyApp.DataAccess // Class ...
3
votes
5answers
111 views

Conditionally initializing a string list

I am writing a program that needs to be able to process data from a number of different sources. The sources output data in a variety of formats. So, depending on which source is being used, I need to ...
-2
votes
0answers
30 views

understand and use Event , personal event example [on hold]

i m in front of first uses of personal event. I present some of my doubts and my problems.. I write a small class CountDown, is use a timer to create a countdown and raise an event when time target ...
1
vote
1answer
73 views

Is a PropertyChanged event handler bad if it is used for updating the database?

I have a class with several fields. public bool Active { get; set; } public List<Group> Groups { get; set; } public string FirstName { ...
2
votes
1answer
93 views

Create different classes for staffers and users?

I am building a program for a law firm. When a staffer is active (i.e. still works at the firm) he has a password to login the program; When a staffer is inactive (i.e. no longer works at the firm) ...
-4
votes
0answers
27 views

Mysql connection is failed to login [on hold]

I have installed mysql workbench 6.3 CE and created database and one table and try to get data from window form application. Following is code for connectivity: String Conn = "Data Source = ...
0
votes
0answers
22 views

How to calculate new property for old records efficiently?

Let's say we have classes something like this: public class Item1{ public Guid Id {get; set;} public string Name {get; set;} public decimal Price {get; set;} public int Quantity {get; ...
2
votes
1answer
97 views

Onion architecture design question

I recentlly started working on a new project where the team was considering use onion architecture, which I was not very familiar with, so I started reading about it. The application is a simple 3D ...
1
vote
4answers
257 views

How to mark/track features in code?

After some time in every project sooner or later you will need to find a feature in it a fix it or extend it so I was wondering if there is already a system or a convention for marking those features ...
4
votes
3answers
2k 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 ...
-3
votes
0answers
39 views

Question about video format when developing an online video streaming/editing application [on hold]

I'm going to develop an online video website with a built-in video editor using ASP.NET. In the requirements, my application both supports video streaming and editing on the Internet, and the user can ...
-5
votes
0answers
34 views

Make VS copy and paste code using some kind of attribute [migrated]

I am using VS 2015 and C# I tried to search for it but I don't know what terms to use... What I want to do is to mark part of my code with compiler special attribute or something and then go to ...
5
votes
1answer
215 views

Why does this shared buffer work?

Background The following code snippet is taken from a problem in, Visual C# 2005: How to Program, by Paul and Harvey Deitel (pp. 735). The code snippet is more or less an application for accessing ...
7
votes
5answers
190 views

Open Closed principle in design patterns

I am bit confused about how Open Closed principle can be applied in real life. Requirement in any business changes over the time. According to Open-Closed principle you should extend the class instead ...
0
votes
0answers
32 views

Suggestions for dataloading - semi dynamic data

I have a very old Perl based system that is used for CAD drawing searches, where each drawing has many metadata fields associated with it. Currently, the 'old' system has a database schema that has ...
2
votes
0answers
163 views

Dictionary of dictionaries design in C#

My question: is there a canonical way of creating a dictionary of dictionaries and providing an outer/inner key pair? Is there a NugetPackage out there with an implementation? In my code, I have now ...
13
votes
7answers
1k views

Does C# experience translate well to C++? [closed]

My programming classes in school were C++, but I ended up working a job doing C# for the last few years. If there was a position that required say 1 or 2 years experience in C++, would my experience ...
4
votes
1answer
261 views

Managing resource paths in source code

I suspect this is something that many of you have dealt with, and I'm certain there's articles on how to do it, but I can't seem to find them. My problem is that my various constant classes in Java ...
10
votes
5answers
327 views

Is indiscriminately catching exceptions (Pokemon exception handling) ever acceptable? [duplicate]

Normally, I don't anticipate exceptions and if I get them, its something that I can't fix in my code - bad user input or connectivity issues with the database. But errors do occur so at the very ...
5
votes
4answers
192 views

Does anyone have a good DI registration pattern?

I've done this so many times but I never end up liking how my code turns out. I'm asking if anyone else has the same problems and can offer solutions or conventions that they've used to make cleaner ...
0
votes
1answer
94 views

Recommended approach to initialize Command

I've two commands in my View Model and one of them is initialized using lazy loading and other using eager loading. Which approach is good to go? Should I use lazy loading or eager for both? View ...
0
votes
0answers
11 views

Default Application Compatibilty Manifest for new Visual-Studio projects? [migrated]

I'm currently fighting with some app compat settings, specifically a certain shim, and looking into the compatibilty section of the application manifest. Details aside, one thing that strikes me as ...
-2
votes
0answers
104 views

How to rate your programming skills [closed]

I am an Electrical Electronic Engineering student and I started programming 2 years ago. I am about to graduate from University and I cant tell how skillful I am in programming. I have written a ...
-1
votes
0answers
22 views

PropertyGrid color cell display [closed]

Is it possible to change the default way to display a color in a property? I want to use the color as a traffic light to display working conditions with three possible values: Red, Yellow and Green. ...
-4
votes
2answers
73 views

Referencing a C++ DLL from within a C# ASP.NET project using Visual Studio Community 2015 [closed]

This question might be a little odd, but is there any specific way to import a C++ reference into an ASP.NET C# project? The problem I am having is that VS is giving me the following error: ...
-2
votes
2answers
173 views

OOP project design

here is the UML class diagram subscribe method is used to add a herbivore object to the plant's watchers. when a plant is told to notify, itloops through all of the herbivore object in its watchers ...
1
vote
1answer
102 views

Using ninject in a class library

Looking for some help getting my head around ninject and DI. Using the simple examples I've found online everything works nicely but trying to do something more complex is causing headaches. I have ...
0
votes
1answer
161 views

Is there an easier way to do this with Lazy<T>?

I was trying to find a concrete example online but I couldn't find one that also used one of the class' other attributes. So, can this be done more succinctly with a Lazy<T> object? public ...
2
votes
2answers
82 views

What is the best approach to update a database field when a corresponding class property changes?

I have a class with several fields. public readonly byte Id; public bool Active { get; set; } public List<Group> Groups { get; set; } public ...
5
votes
2answers
120 views

Recreating complex aggregates from a persistance source

I'm building a web application with C#, and I have an aggregate root which has several entities and value objects. Then I have a repository object which persists the aggregate to the database (I'm ...
1
vote
4answers
9k views

How to Console.WriteLine from [TestMethod]?

I am trying to show some information from a [TestMethod] method. Usually we use NUnit and a line with Console.WriteLine runs fine and we can see it in 'output' window, but on this project we must to ...
-3
votes
2answers
158 views

Can a media decoder/player be implemented entirely in C#? [closed]

One of these days, when talking to a friend about different programming languages and their uses, I mentioned that video players (and media coding implementations) are always written in lower-level ...
2
votes
4answers
145 views

Unit Test for Void which copies data from one location to another

Still learning and getting my head around Unit Testing, (also trying to get into TDD, though I appreciate it isn't the same thing) and in many ways it is changing/improving my code. But I come across ...
4
votes
2answers
192 views

Name for a Chainable ForEach [closed]

Linq has a method Select, which takes a Func<TIn, TOut> and maps it over an iterable. I'm trying to come up with a good name for a method that takes an Action <TIn>, transforms it to ...
1
vote
1answer
56 views

Asynchronous client-server implementation

The mission: Implement a program that will listen to multiple client requests asynchronously (on TCP) and transfer them to a server (also on TCP) to which only one connection is allowed. The program ...
1
vote
2answers
121 views

How should I represent mutable boolean state?

When I have some object with boolean state that can be changed (like a checkbox's checkedness), there are several ways I can expose it. Getter property, Setter method bool IsChecked { get { ... } } ...
0
votes
3answers
157 views

Is data duplication bad in programming (in contrast to database designing)?

I have three classes: User, Conversation and Message: Message properties: User sender; // Some more Conversation properties: List<Message> messages; List<User> participants; // Some ...
2
votes
2answers
109 views

Should we add an extra class to this code sample

I have a shopping website which allows users to place orders. In my web application when the users click 'Create Order' i call an OrderService class which looks like the below: public class ...
2
votes
2answers
130 views

C#/VB struct – how to avoid case with zero default values, which is considered invalid for given structure?

How to implement some constrained .NET struct/structure (let's say LimitedString), where its state with default values (set by CLR to technical defaults, i.e. nulls, zeros, etc.) should be prohibited ...
4
votes
1answer
114 views

Have the unit test “using” the project, or just have same namespace?

Background I am working on a project with C# .NET, and I've just added a new unit test project to my solution in Visual Studio. The way that I always have been doing this is: Create a new unit test ...
5
votes
1answer
861 views

How do I bootstrap a P2P service so that users can locate each other?

My P2P app needs to locate peers, but I don't want to hard-code a DNS address... One example I've seen is bootstrapping via IRC, but I'd like to do this over HTTP/s if possible. What are my options ...
0
votes
2answers
232 views

Don't auto-implemented properties violate encapsulation?

In C#, when a field getting or setting requires logic, we use properties. For example: private int _age; public int Age { get { Console.Writeline("Club member is {0} years old", ...
7
votes
4answers
209 views

Code design: Duplicate code or good implementation

I'm working on application in C#, where I need to serialize and deserialize some classes into/from XML. This operations will be implemented in Class Library. I chose XMLSerialization class to ...
3
votes
2answers
136 views

Correct way for storing data for runtime use in stand-alone applications?

I am working on a project that involves a "team builder" type application, if you will using C#. For the sake of simplicity, let us say it involves the user creating a "Team." There are three teams ...
2
votes
1answer
156 views

Pattern to use (if any) to co-ordinate loosely coupled classes with strong interdependencies

I have a collection of cooperative classes whose behaviors are interdependent upon one another. But I wish to keep them loosely coupled, so I've created appropriate interfaces. I want to determine an ...