C# Corner

Resources  
  • GDI+ Tutorial for BeginnersDec 26, 2000. GDI+ is next evolution of GDI. In Visual Studio .NET, Microsoft has taken care of most of the GDI problems and have made it easy to use.
  • Testing .Net Components Using NUnitMar 08, 2001. Write unit tests before starting development". Writing test allows me to see immediate results of every code change.
  • Drag and Drop Using C#Mar 30, 2001. Drag and Drop in C# has been a question on the UseNet and many websites on C# so I have decided to tackle the problem here. This is an update of the directory tree component download on this web site.
  • Using Delegates to Choose Right FunctionApr 01, 2001. The need to call different class method based on some string passed to class is an old problem.
  • XML Strengths and Weaknesses with DOM, ASP, and XSLApr 30, 2001. In this article we're going to take a look at some of the terminology that comes with using XML and its related technologies, as well as how to create and transform XML documents with XSL using Microsoft's MSXML parser. To test the code samples shown in this article you should be running Windows NT/2000/XP with IIS installed. You should also have SQL server 2000 installed on the same machine.
  • Auto CompilerMay 05, 2001. This is a utility to make it easier to compile from the command line. One of the problems with using the command line.
  • Transaction Web SiteMay 16, 2001. When I started working with this technology I faced a problem dealing with session as in any transaction or Database oriented portal this is a must requirement to deal with.
  • Animate System Tray in C#Jun 18, 2001. I am sure those who have worked with Visual C++ would have experienced the problem of displaying an icon in system tray and manipulating with context menus for that. Previously I use to display System tray icons with Shell_NotifyIcon by filling a structure and manipulating with a context menu for that icon is another problem.
  • Snooping on C#.NET Regular ExpressionsJun 26, 2001. I present here two micro test utils, which will let you play with regular expressions. Regular expression( System.Text.RegularExpressions.Regex ) is a powerful class very useful for parsing, splitting or replacing texts.
  • .NET is the FutureJul 19, 2001. This has been a long time in coming. I couldn't write any more article because of some problems but finally I thought I should talk about the future of .NET. The reason is very simple, I'm getting almost 50 mails a day in my inbox just asking about the future of .NET and the comparison with other technologies. So I'm presenting my own views about the future possibilities of this technology.
  • Horoscope Unit of Mobile SiteSep 06, 2001. Horoscope Service for Your Mobile.
  • Mobile Page Unit of Mobile SiteSep 19, 2001. This is something like creating WAP Pages it is still as usual my basic starting So here i will be storing only some info but What it exactly is the same as if people heard of WAP Pages and many sites offer you to create your own WAP Pages similar to WebPages but limit it to the device size and strength.
  • Mobile Page View UnitSep 24, 2001. This addition to the site retrieves the unit and shows the content of that page.
  • Encapsulation in C#Oct 12, 2001. In Object Oriented programming Encapsulation is the first pace. Encapsulation is the procedure of covering up of data and functions into a single unit (called class).
  • Debugging "Rubber Band Effect"Nov 06, 2001. Bug fixes for Rubber Band Effect in a form by Simon Bond demonstrated a small but useful rubber band effect application. If you play with the application for a while, however, you may find one major problem with it.
  • Debug Troelsen's .NET books (1): IEnumeratorDec 10, 2001. This article examines code problem in chapter 4 (for C#)/chapter 5(for VB.Net) of the two .Net books.
  • NUnit for people who can't cook - Part IDec 13, 2001. This article should l help C# user to get the most out of NUnit. Therefore, we are going to cover not only the usage of NUnit , but also the small tricks on how to set it up most efficiently.
  • NUnit for people who can't workJan 02, 2002. In this lesson I will show how to numerically solve algebraic and ordinary differential equations, and perform numerical integration with Simpson method.
  • Marble Solitaire Solution Display in GDI+Feb 13, 2002. The application finds and displays solutions to a game of solitaire. The application was written using Visual Studio.NET Version 7.0.9254. The test suite was written using NUnit, which is a .NET port of JUnit.
  • Calling Managed Code from Unmanaged CodeMar 11, 2002. One significant part of developers (including myself) are doing some kind of automation of Microsoft Office. So I will concentrate on opposing side of problem, how to use managed assembly from MS Office or VB script. In this article, I will discuss how to call managed code from unmanaged code.
  • Peer-to-peer Chat Program using Asynchronous SocketMar 22, 2002. This is a simple chat program, which uses asynchronous socket to provide connection between two machines.
  • Drawing Transparent Images and Shapes using Alpha BlendingApr 22, 2002. Alpha blending is a process of mixing colors and generating a transparent affect. To test this, you draw some graphics shapes on a surface and draw image on top of those shapes and you should be able to see the shapes.
  • A Database Component: Inserting Serializable ObjectsApr 23, 2002. The attached zip file contains two projects - a database component (DLL) project and a Windows forms project called Test. Both projects are written and compiled using Visual Studio .NET version 1.0.
  • Unit Conversion Tool for Pocket PC with Compact FrameworkMay 22, 2002. I have created a Unit conversion tool to calculate conversion from 16 different types.
  • Windows Spell Checker using SpellCheck.NET ParserJun 26, 2002. In this article, I put SpellCheck.net parser to the test with Windows Form Spell Checker application.
  • Deploying a COM Component from C#Jul 08, 2002. Here is some code to help you to deploy a COM component from C#. I needed to programmatically deploy a project that would be registered as COM object (not COM+) and be installed into GAC. The following two classes will help in this objective.
  • A Generic Data Access Component using Factory PatternJul 24, 2002. Another way to solve this problem is to utilize the System.Activator class and a factory pattern to create the concrete provider classes as was pointed-out in Dan Fox's article "Design an Effective Data-Access Architecture" (.netmagazine, vol. 2, no. 7).
  • A Generic Data Access Component using Factory PatternJul 30, 2002. the article A Generic Data Access Component using Factory Pattern provides a very good way of creating ADO.Net data provider independent applications, but there is one problem with it. Different ADO.Net data providers use different approaches in labeling of parameters in SQL statement.
  • Using Crystal Report ViewerJul 31, 2002. The following small application is designed to allow testing created reports with XML feeds used as data sources. .
  • Listing all Computer in Active DirectoryAug 27, 2002. This application does one simple task. On any network where Microsoft Active Directory is used it will list all computers on the network. I faced this problem when I wanted to document all of the computers on the network using WMI .
  • Puzzle ControlOct 15, 2002. In this application I had combined the power of C# and AI in order to solve the "puzzle problem".
  • Pro Developer Series : Creating Your Dream ProjectOct 22, 2002. The problem with most programmers is that they've lived a rather monochromatic life.
  • Maze Solver Oct 28, 2002. Solving mazes is one of those problems, at least with the algorithm I've chosen here.
  • Auto Redraw in VB.NETDec 13, 2002. This is a problem if you wish to display text and graphics directly on a form.
  • DTS Custom Task in C#Jan 28, 2003. During last year I wrote an article about DTS and how to use it in C#. In that article I stated that I didn’t manage to solve the problem related to CustomTask. Today I finally forced myself to tackle that problem again and here is the result. Writing simple CustomTask in C# is the easiest part.
  • Possible Usage of Visitor and Type CastsFeb 25, 2003. In this article I will try to introduce Visitor pattern and one possible variation on it. It treats problems related to projects projects where high level of adaptability is needed.
  • Data Access Layer based on dataSetsJul 01, 2003. This article aims to introduce the reader to several conceptual problems encountered in the development of a generic Data Access Layer (from now on referred to as DAL).
  • Object Oriented: The Grownup Way to CodeSep 29, 2003. Back in my dark days of Procedural Programming, I remember someone giving me a problem, then banging out a few (hundred) lines of code, achieving my goal, and going on with my life. The next time a similar problem would arise, I’d rewrite, or in some cases, cut & paste my old code to achieve a similar, yet slightly different outcome.
  • .NET Remoting - Events, Events? Events!Nov 04, 2003. You want the server to fire an event and all of the clients or only some specific must receive it. This article describes several approaches to the problem using .NET Remoting events model.
  • Image Resizing and FTPDec 24, 2003. I wanted a program to resize image and just FTP them to my site. After talking with friends, I realized they also had the same problems. So I built this simple .Net application.
  • Hello World in different StylesJan 09, 2004. I've attempted to write the traditional 'Hello World' in different styles. This explores the different possibilities of addressing a problem - 'Hello World' with different features of C# language and .NET framework.
  • Testing .NET applicationsFeb 16, 2004. This white paper shares vision and challenges in testing .NET applications. Never before, has any technology or framework tried bringing many disparate systems and languages under one roof for the benefit of enterprise applications.
  • Fundamentals of Function Point Analysis Part IFeb 17, 2004. Function points are a unit measure for software much like an hour is to measuring time, miles are to measuring distance or Celsius is to measuring temperature.
  • Fundamentals of Function Point Analysis Part IIFeb 18, 2004. Function points are a unit measure for software much like an hour is to measuring time, miles are to measuring distance or Celsius is to measuring temperature.
  • Generating Microsoft Excel Reports in .NETMar 01, 2004. Microsoft Excel is installed on most computers these days since it is part of Microsoft office, and you can create detailed reports with Excel, but it will take some doing. I will attempt to show you how to create a simple report in Excel and some of the problems you may encounter along the way, this will work with Excel 97-2000.
  • Evolving Numeric Series using Genetic Algorithms in C#Jul 27, 2004. If you ever browsed around the book store, you'll notice these puzzle books or IQ test books and some of the books contain questions asking you to complete a series of numbers.
  • Securing Your ASP.NET Web Applications Aug 31, 2004. Web application security is not just about attackers hacking websites, stealing sensitive information from websites, sending high traffic to websites with denial of service attacks, viruses, worms and Trojan horses. Are these are the only problems that we have? The answer is no. There are other problems that are frequently overlooked.
  • Extreme ProgrammingSep 16, 2004. Extreme Programming is new development technique getting adopted in the software development and the key strength of this methodology is simplicity, team work, quality and testing.
  • Microsoft Application Center TestOct 13, 2004. Application Center Test (ACT) stress tests Web servers and analyze performance and scalability problems of Web applications. ACT simulates a large group of users by opening multiple connections to the server and rapidly sending HTTP requests. It also supports several other authentication schemes and the SSL protocol, making it ideal for testing personalized and secure sites.
  • Getting Web Statistics for Instant Downloads in ASP.NETNov 05, 2004. One of the most important website activity parameters is the resource access statistic. Such information is necessary for many purposes - optimizing of the website content, marketing campaigns improvements and also for some diagnostic tests.
  • How to generate unique integer IDs across multiple systemsNov 30, 2004. This article show to generate unique integers across environments. Generally repeating IDs in different environments are not a problem, but once in a while you need to migrate something from dev to staging, or from staging to production.
  • Enterprise Library 1.0Apr 02, 2005. Enterprise Library is a set of tested, reusable application blocks that address common problems developers face when developing enterprise-based applications.
  • Revised Gauge Custom Control in C#Jun 10, 2005. This is an enhanced version of the custom guage. Enclosed are the source code for the control, and the test program.
  • Custom Assembly in Reporting ServicesJun 30, 2005. This article describes a problem that occurs when you access a custom assembly in your Reporting Services report that does not have sufficient permissions on the resources in your environment. The article also provides simple steps to grant permissions to the custom assemblies that are used in the reports.
  • Masked Currency TextBox for Visual Studio 2005 BetaAug 14, 2005. There are some problems with the behavior of the current beta version of the MaskedTextBox when you are using currency. This article will show you how to overcome this behavior with an overriding control.
  • Asynchronous Data Access using Callback ModelAug 17, 2005. The problem with the ADO.Net 1.x is that one thread has to wait for the other thread to complete. So to overcome this problem Microsoft has introduced Asynchronous data access, through which one can execute multiple threads at a time.
  • Introduction to Multithreading in C#Oct 06, 2005. This article is a complete introdution to threading. It explains what is a thread and why it is used in programming. It also talks about common problems with threading, and how to begin writing thread safe code.
  • Design Patterns in C#Nov 01, 2005. To define design patterns in simple words they are "popular solutions for common design problems". They are very helpful in designing architecture and they also increase ease of communication among the developers.
  • Manage and Administer ASP.NET Web Sites in Visual Studio 2005Nov 16, 2005. ASP.NET Configuration Wizard is a new feature available in Visual Studio 2005, which takes care ASP.NET Web Application configuration and deployment problems and allows developers to set Web application settings using a visual interface.
  • Creating a Simple WebPart Page and Use WebServer Controls as WebPartsJan 10, 2006. Portal web sites such as MY MSN and MSN Spaces, often organize their data into discrete units that support a degree of personalization. Information is organized into standalone parts [WebParts], and users can rearrange those parts to suit their individual working styles. Here we will see how to add web parts to a web part page.
  • Testing project using NUnitJan 20, 2006. This article is for the begineers who wish to learn the basics of NUnit.
  • Agile Development Checklist Feb 20, 2006. The purpose of this article is to define a set of ideal practices for an agile software development project. The idea for this article came to me after discussing CMMI-type processes and realizing that there is no agile equivalent.
  • Automated Code Coverage and Unit TestsMar 08, 2006. A short tutorial that explains how to use a code coverage tool and how it can be integrated with unit tests to allow us to determine how well the unit tests exercise our application/classes. Code examples are written using C#.
  • Custom Drawing Cursors in C#Mar 14, 2006. Some time ago I have decided to try to make something like a "Photoshop" in C#. The first problem has appeared was custom cursors. If you are familiar with "Photoshop" you know that when you change brush size the cursor size also changes. This is solution to make this possible in C# .
  • A Practical Approach to .NET Testing using Visual Studio 2005 Test Team SuiteMar 22, 2006. This article will cover practical approach to White box Testing Techniques using Microsoft Visual Studio 2005 Test Team Suite. It covers concepts with a simple, easy to follow example.
  • Create Meta Tags Programmatically in ASP.NET 2.0Apr 07, 2006. In ASP.NET, we had an option to add head tags in HTML where we could define our Meta tags like keyword and description but in ASP.NET 2.0 if we use master page inheritated page then there is problem to add meta tags. This article explains how you can add meta tags in ASP.NET 2.0.
  • Nullable Types in C#: Basic IntroductionMay 02, 2006. This article gives a quick view in to the problems faced with the value type objects and the solution to the problems. This beautiful facility is introduced by Microsoft as an concept called “Nullable Types” in the C# 2.0.
  • Troubleshooting Tips for ASP.Net DevelopersMay 22, 2006. This article explains three silly problems that ASP.net developers regularly face and explains how to tackle them.
  • Unit Tests in Visual Studio 2005Jun 01, 2006. Visual Studio 2005 comes with an integrated Test System, which allows developers to create Unit Test Project using IDE and write code to create unit tests and run them. This article explains how to get started with unit tests in Visual Studio 2005.
  • Tip: How to use Multiple Page Headers in Crystal Reports?Jul 21, 2006. Recently, I came across a problem in Crystal Reports. I wanted to display a separate page header on the first page of the report than the rest of the page.
  • Illustrates the use of the lock in multithreading applicationAug 17, 2006. Any application must have one or more processes. A Process is structural unit with a memory block and using some set of resources. For each executable, the Windows operating system creates some isolated memory block. This article tries to explain the use of lock basics of Multithreading in C# .Net.
  • Aural Alert Generator (Voice and Tones)Aug 25, 2006. This article describes an application used to generate and test aural alerts; I wrote the application originally to allow me to define and test aural alerts for use in a couple of cockpit simulators, however, you could use the application to generate aural alerts for any purpose. The application also may be used to define voice messages which may be optionally saved as wave files for subsequent use in other applications.
  • Setting Enum's Through ReflectionSep 25, 2006. This article show to solve the problem of how to set an enum type in a dynamically loaded DLL.
  • C# .NET 2.0 Test Driven DevelopmentOct 09, 2006. This article will demonstrate test driven development by stepping through the test driven development cycle using a small sample project.
  • How to change screen resolution in C#Oct 13, 2006. All programmers are facing common problem is how to change screen Resolution dynamically. In .Net 2005 it's very easy to change the screen resolution. Here I will explain you how can we get the Screen resolution and how we will change the resolution at dynamically and while unloading the page it will come as it was before. In dot net we can access the values of user's screen resolution through the Resolution class. It also affects all running (and minimized) programs.
  • How to use Genetic Algorithm for Traveling Salesman ProblemDec 20, 2006. TSP is a famous math problem: Given a number of cities and the costs of traveling from any city to any other city, what is the cheapest round-trip route that visits each city exactly once and then returns to the starting city? We use the Genetic Algorithm to solve the TSP problem as a C# programing example .
  • AdRotator Standard ControlMar 14, 2007. This article will help programmer, developer to overcome the problem as:"The AdRotator adRtrCtrl/adRotator1 could not find the AdvertisementFile or the file is invalid".
  • Grypto-Grid Solution to Digital SignaturesApr 04, 2007. This article describes as to how a Grid middleware can be easily used for a Cryptography problem.
  • Flat File Parsed to XML Using C#Jul 01, 2007. I ran across an interesting problem today where I had to parse a flat file (csv or tab delimited) into an xml document. The solution I arrived at is flexible enough for reuse so I though I'd share the library along with some of my development notes.
  • Distributed Transaction Coordinator/Control in asp.net (DTC)Jul 31, 2007. A transaction is a series of work perform as a single unit of work consistency and reliability of the system, can be achieved by binding a set of related operations together in a transaction. Here I will be discussing how we can run distributed application in a application.
  • Whose Online in ASP.NET 2.0Aug 06, 2007. I had problem in one of the project to show who is onlne & how to track multiple login/prevent from multiple login. I had gone back and forth so many time and finally am here with small snippet of code, I guess eveyone should read this article!
  • JavaScript Calendar Control in ASP.NET 2.0Oct 01, 2007. The problem with ASP.NET Calendar control is it refreshes the page every time any event is fired. To avoid this, we have to use JavaScript Calendar control.
  • Cartesian Products and Permutations of Groups Using C# Generic IteratorsOct 09, 2007. Many problems we run into as developers deal with slicing and dicing groups of objects. In this article I'll cover building a library of utility methods using C# object enumerators to perform group permutations and find Cartesian products of groups.
  • Message window using VB.NET in ajaxDec 03, 2007. This article is used to show message window in vb.net using ajax. The problem comes when you use vb.net using ajax enables website.
  • Where Did All the Designers Go! Jan 24, 2008. Software is one of the fastest paced industries in the business world. As quickly as software languages come and go, skill sets require constant learning. In trying to keep up with implementation aspects of software, did we somehow forget about the priority of creating a good design? This article describes how we came about with a void of software design skills in the programming world.
  • XML Pathfinder - Sample C# Utility to Study XML Paths and XPath QueriesFeb 05, 2008. This article discusses the construction of a simple utility that may be used to locate and evaluate paths within an XML document, and to test queries against those paths.
  • Chapter 31:Creating Web ServicesFeb 14, 2008. This chapter provides an overview of web services and the problems they solve and how to create and consume them in ASP.NET.
  • Writing Better Code -- Keepin' it CohesiveFeb 15, 2008. One of the aspects of code quality we can look at is cohesion. If code is highly cohesive it is also much more testable, reusable, readable and maintainable (all the good things in life). Likewise, if code has a low level of cohesion it is often very hard to understand at a glance and difficult to test and maintain. In this article we'll take a look at a concrete example of code that does not follow the Single Responsibility Principle and as a result has low cohesion and walk through the refactoring it takes to modify the code to be more highly cohesive.
  • A Scalable Ajax Wizard Sample ApplicationFeb 18, 2008. This Ajax sample application creates a wizard dynamically to avoid scaling problems which occur when there are too many controls on a web form.
  • Building ASP.NET bot protection (CAPTCHA-like)Feb 29, 2008. This article shows how to build captcha-like protection from spam and other bots in ASP.NET.
  • Writing Better Code; Keeping it MaintainableMar 01, 2008. This article provides guidance for writing better, more maintainable code.
  • Writing Testable ObjectsApr 18, 2008. This article is an introduction to a simple pattern for building more testable classes.
  • Avoid casting to improve code performanceMay 19, 2008. Casting is a big problem when it comes to the code performance. This article talks about how we can take advantage of generics in C# 2.0 to avoid casting.
  • Software Testing TechniquesJul 16, 2008. This article tells us that Testing should systematically uncover different classes of errors in a minimum amount of time and with a minimum amount of effort. Because of the fallibility of its human designers and its own abstract, complex nature, software development must be accompanied by quality assurance activities.
  • Introduction to Unit Testing Framework of VS 2008Aug 13, 2008. This article gives an introduction to in-built Unit Testing Framework of Visual Studio 2008.
  • Introduction to Unit Testing Framework of VS 2008: Part IIAug 14, 2008. This article gives an introduction to creation and configuration of Ordered Tests of VS 2008 Testing Framework.
  • Introduction to Unit Testing Framework of VS 2008 - Part IIIAug 19, 2008. This article gives an introduction to creation of Test List and configuration of Test Project of VS 2008 Testing Framework.
  • Introduction to Unit Testing Framework of VS 2008: Part IVAug 20, 2008. This article gives an introduction to Code Coverage in VS Team System 2008.
  • Test for User Group Membership in ASP.NET C#Oct 13, 2008. This article describes a simple approach to determining whether or not a logged in user is a member of a group within the context of an asp.net web based application.
  • Test for Desktop User Group Membership with C#Nov 10, 2008. This article describes a simple approach to determining whether or not a logged in user is a member of a group within the context of a desktop application. The approach shown relies upon the use of the user’s current Windows identity.

About Problem-of-unit-testing

NA

SPONSORED BY

File APIs for .NET
Aspose are the market leader of .NET APIs for file business formats – natively work with DOCX, XLSX, PPT, PDF, MSG, MPP, images formats and many more!
techbash 2016