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

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I have to iterate through all CSV files to search text ,Is there any better way to do this

I have one A File and many input files ,All files have CSV format . I want to match text of one column of all input files with one of the column of A file . I have stored all column value of File A in ...
-4
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0answers
48 views

parameterized query… unexpected in database using C# [migrated]

Hello there I am trying to enter database records from window Form design and programmed using MS visual C# and it approved and entered database using an other Window Form and I call the child Form ...
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1answer
41 views

Effects of using visual basic dll in C# projects [on hold]

I have C# windows application that use Microsoft.VisualBasic.dll reference for the needed of use Interaction.InputBox is that have any negative effects on the project ?
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1answer
61 views

How are the tiles in WORDAMENT organized?

I'm trying to create a word game, just like WORDAMENT, in my spare time. In order to present a new round, I need to create a board with 16 letters organized in a 4*4 grid. Currently, I'm generating ...
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3answers
78 views

Are EventHandler<T> and IObservable<T> interchangable?

I have an object which will periodically raise an event based on an action performed in an application. This will be heard by any listener(s) and acted upon accordingly. I do not wish to use a ...
3
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4answers
242 views

Is a long list of parameter checks an anti-pattern?

Background: I'm working on an application that will manage backup generators. These generators need to be able to be "linked" together. For example, Generator B might serve as a backup for ...
-1
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0answers
70 views

How to identify hackers based on ip addresses and the pages that were accessed [migrated]

I saw some suspicious errors being generated on my site based on pages that were requested. My error is logging the path that the user is trying to access. Because of these errors (and the paths that ...
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0answers
66 views

C# Linq question [migrated]

I am desperately trying to understand linq and now I have a concrete example of what I want to do (and fail): Console.WriteLine("{0}", (from myaddresses[x].PostalNr where x => ...
-1
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2answers
70 views

Class hierarchy question - do you implement separate classes for the same behavior? [on hold]

NOTE: The language I am using is C#. I am currently working on a 'The Quest' mingame where there is a player and some enemies. My design so far involves a base abstract class called 'Mover' and an ...
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0answers
97 views

How can I write the code to get all the properties of a class? [migrated]

I have a program, where I want to create a new instance of the object depending on a value, I take the value and then search the list and using that list I create a new instance. Well, it goes ...
-2
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0answers
71 views

How to plan development [on hold]

I am a self-taught 17 year old who knows Java and C# as well as I can, be learning them for over a year but I have never coded anything so therefor no experience.Me and my friend are working together ...
0
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1answer
134 views

Time Management System on Local PCs [on hold]

I am looking to build a time management "app" that can be downloaded and used on an individual basis throughout my company. In theory, this app would be used to track time spent on several different ...
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3answers
204 views

How do you make sure a .net client application is not being hacked to bypass authorization claims?

We wrote a simple .NET (C#) desktop application in Wpf. We also used WIF (Windows Identity Framework) to get a list of claims for the authenticated user. Some examples are: CanOverrideSalesAmount ...
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vote
2answers
149 views

Is this a good Visual Studio solution structure for a domain driven design RESTful web service?

I am building a .NET 4.5 C# Web API RESTful solution and I would like someone to tell me if my project solution is correct and/or wise(-enough?) for a solution designed using Domain Driven Design, ...
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1answer
172 views

Understanding C# Delegates Structure

I've been trying to understand C# delegates using Pro C# 5. In short, the author describes the motivation for delegates as a structured way of dealing with function pointers and callbacks or two-way ...
2
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2answers
102 views

What is the benefit of passing a delegate to the constructor instead of just having the client code create and pass the ParserSettings?

When answering a question on Stack Overflow, the library appeared to have a weird way to specify configuration, through an Action passed to the constructor: public Parser(Action<ParserSettings> ...
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1answer
115 views

Should the Presenter depend on the View or the vice versa?

So far, I have used the MVP architecture pattern a few times. Every now and then, I wonder whether my Presenter should depend on my View or vice versa, that is the View depends on my Presenter. NOTE ...
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2answers
145 views

Custom Video Player

I have a custom file type .mft which is basically a zip that has video inside (mpg,mp4,etc) that is encrypted/protected. My ideia is to create a custom video player which will read those .mft files, ...
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0answers
155 views

The age-old question about beginning programming hasn't been answered for me [closed]

I've been wanting to learn how to program for years but thus far, every book and video has gotten over head very quickly. I eventually want to learn C# for both Windows software development and game ...
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5answers
336 views

Liskov Substitution and SRP Principle violation - how best to structure this scenario?

While learning SRP and LSP, I'm trying to improve the design of my code to comply best with both of these principles. I have an employee class that has a calculatePay method on it. Firstly, I believe ...
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0answers
20 views

XNA Buffer Best Practice [migrated]

I am currently converting a 2D game to 3D, never having worked with 3D before I am trying to learn as I go. I am wondering what the best way to use vertex/index buffers is. Currently I am looping ...
4
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3answers
454 views

Intentionally incorrect use of language features, specifically “ref” in C#, as a hint to colleagues

I recently came across a piece of code something like this (roughly C#): public bool ValidateStuff(ref ArrayList listOfErrors, Stuff thingsToValidate) { if (!thingsToValidate.isValid() ) { ...
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1answer
142 views

Repository Pattern: Exposing Data Context to Underlying Layers

My team is in the process of updating a legacy project. We've decided to incorporate the Repository Pattern along with Entity Framework in our Data Access layer. Below is a high-level view of this ...
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0answers
23 views

How to execute a file within a subdirectory [migrated]

So I have a small setup file that needs to install a few run-time files. The files are located within sub directories of the root of the drive. The drive letter will be different on every customers ...
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1answer
149 views

What are the benefits of using entity framework code-first instead of designing my database using SQL?

I'm currently working on designing a small web application (MVC5) and I'm to the point of designing my database. I have the schema I want worked out and I am quite proficient in SQL Server. (I have my ...
2
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1answer
191 views

Any OOP design pattern that is somewhat representative of all of the SOLID OOP design principles at play?

I'm trying to teach an object oriented design principles course (on SOLID) at a training institute. I also want to teach the students a few OOP design patterns such as factory, singleton and one ...
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1answer
70 views

Fire domain events after transaction completes

I am trying to implement a domain event system that only fires its events when the associated unit-of-work commits successfully. The main reason why I want to do this is because I have other ...
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0answers
65 views

Improve logic finding possible misconceptions [migrated]

I made a logic to accomplish a specific problem, but it's too long. I've sure that it can be reduce too fit it. I have the following model public class ColumnChart { public virtual ...
2
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2answers
136 views

Data persistence for transactional customer emails

I'm developing a system to handle sending transactional emails to our customers. This is how it works: An event occurs during the order's life cycle, for example 'shipped' This event will trigger ...
0
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1answer
154 views

Knowing who is the user in every request (every action, every view, every time)

I have many model classes that are mapped from/to tables using EF. Two of them are User and UserCookie, which are stored in tables Users and UserCookies. public class User { public long UserId { ...
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0answers
34 views

How to store pdf files to MySQL and then list, open them using C# [duplicate]

I'm creating a c# employee management system app, I've created a form for Employee files and I don't have any idea how to store pdf files to mysql and then list and open them with c#.
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85 views

Login from external application in MVC

We have an ASP.Net MVC application that use Identity provider to authenticate users. A new customer now wants to access owr application pressing a button inside their winform app. I started to modify ...
2
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1answer
219 views

Is there a design pattern for splitting up files into smaller files?

I am developing a project where I have to load very large files (upto 50 MB). Currently I am loading these files completely into (consecutive) memory. This has the advantage that I can very easily ...
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0answers
51 views

What is exaclty Timer Deamon in windows? how can i get that using C#? [on hold]

I have been trying to find the difference between the RTC clock and the system clock. At last I found that Timer Deamon in windows try to compare time between RTC and OS clock. If it is more than 1 ...
0
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2answers
70 views

Possible design patterns for base function with possible additions

I have various interfaces i have to implement. Let's assume ITypeA, ITypeB. They have following methods: ITypeA Connect Disconnect GetData SetData ClearData ITypeB Connect Disconnect ...
3
votes
1answer
170 views

Redundancy caused by polymorphism

I have two chat rooms, one has administration behaviour, and one doesn't. I have factored out all of the common code into a base chat room, but the AdministerChatroom behaviour I have pulled out into ...
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0answers
4 views

Displaying Fibonacci sequence [migrated]

wrote a program to calculate and display the first 20 fibonacci numbers, the sequence goes as follows: 1, 1, 2, 3, 5, 8, 13... (each number is the sum of the previous two numbers) The problem is ...
-1
votes
1answer
79 views

Pros and cons of using generic delegates as nested functions [closed]

I've written code like this before: private void Strings_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e) { var onAdd = new Action(() => { if(e.NewItems != ...
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1answer
46 views

How create unit test the performance of an application? [closed]

What I want is to run automatically methods to tests the performance of an application. Just like the unit tests, but with the purpose of evaluate the performance and create reports if is it possible. ...
2
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2answers
261 views
+100

Implementing a generic/dynamic custom property system in C#

I have an architecture design problem which I think is appropriate for this site. Note that I have made an EDIT to this post below, reflecting my latest potential solution to this problem. General ...
3
votes
1answer
104 views

Wpf: Event driven vs MVVM design pattern

I'm a beginning coder and I've been working on a WPF app for several months now and struggled to implement anything in MVVM due to time constraits to learn so I coded my program the only way to knew ...
0
votes
3answers
104 views

BackgroundWorker starting again in Completed event

I want a background worker to continue running and occasionally update the user interface. My first idea was to use a BackgroundWorker and in its completed event just fire it up again. Is using a ...
-1
votes
1answer
89 views

How to verify that library assemblies originate from a given Web site?

How would the following solution be implemented? Would you need to put this code in each library assembly or just in the main assembly that is determining whether it is safe to call the library ...
2
votes
2answers
174 views

Having an inherited function return the derived type instead of the base type

I am writing two classes in C#: A Matrix class that represents a general Matrix with n-by-m dimensions A SquareMatrix class that inherits from Matrix and has the constraint of being n-by-n The ...
7
votes
3answers
342 views

What optimizations can be done for soft real-time code in C#?

I'm writing a soft real-time application in C#. Certain tasks, like responding to hardware requests coming in from a network, needs to be finished within a certain amount of milliseconds; however it ...
4
votes
1answer
84 views

Is it better to put an event on the top object or closer to where it's local?

Take the following basic structured code for example: class Player { public QuestLog QuestLog { get; set; } } Let us consider that "QuestLog" has the ability to fire off some events when things ...
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2answers
171 views

C# - initialize variable inside method and use in whole class [closed]

this is a conceptual question, but if i initialize a variable in c# as public will it be able to be used in the class as I want a variable "player1" and a variable "player2" where either could be one ...
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0answers
110 views

How do I resolve $ref in a JSON object?

I have written a single page application that uses rest services to retrieve JSON objects. The JSON objects being returned are C# objects serialized using the Newtonsoft.JSON library. The returned ...
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votes
1answer
71 views

Synchronized access to network industrial equipment

I have an industrial equipment which is controlled by a software. The software connects to it using sockets, and keeps the connection all the time alive, while from time to time sending commands to ...
-1
votes
1answer
266 views

Are there any scenarios where the 'Dispose Pattern' shouldn't be used on an Object which contains managed and un-managed resources?

MSDN says that to properly clean up an object which contains managed and un-managed resources, you need to implement the 'Dispose Pattern'. Given that the class implements the IDisposable interface, ...