C# Corner

Resources  
  • FileDownloader : Download files using HTTPJan 10, 2000. This application contains a Form and a Class module . From Form we create a thread which execute the procedure to handle the NET download. This application can be enhance to do more down load as in Download manager by creating more threads.
  • Tutorial: Working with Toolbars in C#Jan 30, 2001. This tutorial explains you how to add toolbars to a form, load images to the toolbar buttons, and writing event handlers for toolbar buttons.
  • 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.
  • Loading a Form IconMar 13, 2001. In .NET framework, the Icon class represents a Windows icon, which is a small bitmap image used to represent an object. The icon class is defined in System.Drawing namespace.
  • Developing Web Applications in VS.NET Mar 29, 2001. This tutorial describes about Step-by-step tutorial guides you towards developing your first web application.
  • 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.
  • 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.
  • Skinned Mesh Viewer v2.2Sep 11, 2001. A Windows forms application allows you to load a Direct-X file and view its hierarchy structure.
  • 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.
  • Using MS Agent in C# - Part-IIIJan 09, 2002. In this article, I will show you how to write a program which lists all the animations of the loaded characters which speak to us using synthesized speech, recorded audio, or text in a cartoon word balloon.
  • 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.
  • Loading XML File in a TreeView Control using MultithreadingApr 19, 2002. There are many occasions when programmers need to develop multithreading applications, which can load big files in the background and let the user do data entry or other jobs without any interruption. In this article, I'll show you how to create multiple threads to load multiple files.
  • 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.
  • 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.
  • Using Crystal Report ViewerJul 31, 2002. The following small application is designed to allow testing created reports with XML feeds used as data sources. .
  • Execution-Time Code Generator for C#Mar 06, 2003. The Common Language Runtime provides a new way of doing things. The compile-time world still exist, but it is also possible to build dynamic systems where new code is added by loading assemblies or even by writing custom code on the fly.
  • 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.
  • Configuring Publisher Policy FileFeb 20, 2004. Versioning in the Microsoft .NET Framework is managed at the assembly level and is only used when locating strong-named assemblies. By default, the common language runtime loads the assembly whose entire version number matches the version number in the calling assembly's metadata.
  • Saving and Loading Ink on InkPicture Control in C#Jun 02, 2004. This article shows a real-world usage of Tablet PC InkPicutre control and ink. The attached file is a Visual Studio 2003 project, which allows you to load an image file, write on the image using ink and save the ink. It also allows you to load and view the saved ink on the image.
  • 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.
  • 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.
  • CopySchema - Part 2Oct 05, 2004. CopySchema is a utility for copying all the data from one Oracle schema to another. Although similar to the exp/imp and bulk load utilities of Oracle, it has the advantage of offering a simple GUI interface and of handling changes to the schema.
  • CopySchemaOct 05, 2004. CopySchema is a utility for copying all the data from one Oracle schema to another. Although similar to the exp/imp and bulk load utilities of Oracle, it has the advantage of offering a simple GUI interface and of handling changes to the schema.
  • 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.
  • Multiuser XML 'Database' Web ServiceDec 01, 2004. This article shows multiple users to have simultaneous access to the document just like a database. The critical thing is how can we load a resource once and how can we have multiple users access it without collisions.
  • 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.
  • Simple XML Parser in C#Apr 05, 2005. This article shows how to create a very simple XML parser.
  • Session Management in Web Garden using Custom ComponentsMay 17, 2005. This article provides an insight on creating a custom Session Manager component using C#.
  • 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.
  • Microsoft patterns & practices: The Enterprise LibraryJul 12, 2005. Microsoft patterns & practices provide scenario-specific recommendations illustrating how to design, develop, deploy, and operate architecturally sound applications for the Microsoft .NET platform.The following article covers details on the Data Access Application Block.
  • POC for DOM XML ParserJul 21, 2005. The classes found in System.Xml namespace provide functionality to parse and navigate through XML documents. The attached source code shows how to use this functionality in C#.
  • Top 10 New Features in ADO.NET 2.0Aug 19, 2005. This article summarizes the new and updated features of ADO.NET 2.0, which ships with .NET Framework 2.0. In my following articles I will discuss these features in more details with sample examples.
  • How to Execute Oracle Stored Procedures Dynamically in C# Nov 10, 2005. In this article, I wiil show how we can store schema of stored procedures in an XML file and load and run the stored procedure from UI application using C# and Oracle.
  • A Loader and Game Pad for Playing SudokuJan 13, 2006. This C# application will allow you to load existing Sudoku games, manually create your own games, save, print, and check Sudoku puzzles, and more. The article also describes how to use the XmlDocument class to persist Sudoku templates and games in progress.
  • Testing project using NUnitJan 20, 2006. This article is for the begineers who wish to learn the basics of NUnit.
  • Playing Sounds in .NET 2.0 Using Sound PlayerFeb 13, 2006. If you have ever played sounds in your applications, you must be familiar with PlaySound() WIN32 function. Prior to .NET 2.0, there was no way to play sounds thorugh the managed API. The SoundPlayer class introduced in .NET 2.0 now allows developers to play sounds using managed API.
  • 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#.
  • 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.
  • 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.
  • How to remotely load an executable file in ASP.NETJul 26, 2006. A simple ASP.NET sample to load an executable file (or an application) remotely from internet.
  • The database DLL 'crdb_adoplus.dll' could not be loaded.Aug 01, 2006. Failed to load database information. Details: The database DLL 'crdb_adoplus.dll' could not be loaded.
  • 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.
  • Introduction of ASP.NET AJAX Toolkit - CollapsiblePanelJan 17, 2007. The ASP.NET AJAX Toolkit is a new and powerful control in ASP.NET 2.0. It is designed for you to develop web applications that are more responsive, faster, and put fewer loads on the network, and in particular took .NET-based Ajax framework. This article will use one of ASP.NET AJAX Toolkit’s controls – CollapsiblePanel to demonstrate the benefit by using it.
  • Reading and Writing XML using XLinqJun 21, 2007. XLinq is a new API to work with XML using LINQ. XLinq is more flexible, simple, and faster programming model to read, write, manipulate, and traverse XML documents.
  • WEB farm - Load Balancing in Asp.netJul 27, 2007. The concept behind the web farm is that a number of different web sites share pooled resources. They typically share a common front-end dispatcher to perform load control and distribute customer requests. They share the multiple web servers themselves.
  • Ajax UpdateProgressBarAug 13, 2007. This article tells us about the UpdateProgress control which allows to show some symbolic presentation while the web page is loaded.
  • 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.
  • 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.
  • 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.
  • Dispaly a Picture in Grid CellFeb 29, 2008. This article helps to load picture in Grid Cell.
  • 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.
  • 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.
  • Dynamically Loading an assembly at Runtime and calling its methodsOct 14, 2008. This article explains how to load an assembly dynamically and call its method.
  • 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.
  • Unit Testing with VS 2008 Team editionFeb 15, 2009. Unit tests allows the developers and testers to check the logical errors in the methods of classes in C# and VB.NET Projects.Unit test can be created once and can be run every time that source code changes.Unit test cases make sure that no bugs are introduced when you write the new code.
  • Test-driven development approach in Microsoft.NET using NUnitFeb 19, 2009. This is the first article of series of articles related to Test-driven development (TDD) approach in Microsoft.NET. My intention is to illustrate this approach with several real-world examples, and this article is an introduction to the approach and the testing framework NUnit.
  • Continuous Integration with CruiseControl.netMar 07, 2009. Discusses the advantages of continuous integration going into some detail on automating unit tests and documentation. Includes example build files and configuration
  • Include Files as Resources in Silverlight 2.0Mar 13, 2009. This article describes how to load an embedded bitmap programmatically.
  • Test-driven development approach for a class library in Microsoft.NETApr 09, 2009. This is the second article of series of articles related to Test-driven development (TDD) approach in Microsoft.NET. My intention is to illustrate this approach with several real-world examples. In this article, I will show how programmers can use the test-driven development approach to implement and test a class library.
  • Test-driven development approach for WCF Web servicesApr 11, 2009. In this article, I will show how programmers can use the test-driven development approach to implement and test Web service solutions.
  • Show Images in Reports at Run-time using ReportViewerMay 11, 2009. This article shows how to put Images in Reports created using ReportViewer dynamically.
  • Web Paging Navigation ControlMay 18, 2009. WebPagingControl navigation control contain page numbers ,next,back,first,last to navigate in datalist the project cotains web page to test the control working with ajax
  • Loading a text file in a WPF FlowDocumentReaderAug 12, 2009. In this article, I demonstrate how to load a text file in a FlowDocumentReader available in WPF using C#.
  • Sub report in GridView using AJAXAug 31, 2009. This article explains about the sub report in the Gridview using Ajax. It will load the subreport content dynamically at the time of view the report. The ajax have used to implement this part.
  • Understanding the Page Life Cycle of an ASP.NET and its controlsSep 02, 2009. In this article I will explain about series of steps and events that occur in a page life cycle in ASP.NET.
  • AutoCompleteBox in Silverlight 3Sep 02, 2009. In this article we will see how to load AutoCompleteBox with sample date in Blend 3 in our silverlight application.
  • Storing Bulk TCP Dump File into SQL Server 2005Oct 28, 2009. In this article I will explain all steps needed to load tcp dump file into SQL Server 2005.
  • 5 simple steps to execute unit testing using NUNIT Nov 22, 2009. Unit testing is validation and verification methodology where the developers test the individual units of source code. In this tutorial we will try to understand how we can do unit testing using NUNIT framework. This tutorial we will try to understand the 5 important steps to do unit testing using NUNIT.
  • 12 Important FAQ on VSTS TestingDec 06, 2009. This article has 12 important FAQ which covers unit testing, automated testing, data driven test, LOAD / performance test, code coverage, database testing and ordered testing.
  • The Contains Method and Hit Test in GDI+Jan 13, 2010. In this article I will explain about the Contains Method and Hit Test in GDI+.
  • Bind a Struct to a ComboBox in C#Feb 08, 2010. This tip and code snippet shows how to bind a struct to a ComboBox in WPF and load its properties in the drop down.
  • Crystal Reports: 5 Tests for Top PerformanceFeb 10, 2010. In this article how to use Crystal Reports: 5 Tests for Top Performance.
  • Simple Server Callbacks using JQuery in ASP.NET Page Part: IIMar 11, 2010. Now in this part we use Same $("#divId").Load() function. But with more interactive like having progress message while the callback load the data from server.
  • Demystifying CLR: Part IMar 15, 2010. In this article, I am going to explain fundamentals of CLR.
  • Pre-loading Web Applications in ASP.Net 4Mar 22, 2010. In this article, we will get familiar with the new performance enhancement feature in ASP.Net 4 for preloading web applications.
  • Introduction to JQuery: Part IXMar 23, 2010. In this article, we will cover few JQuery's AJAX functions.
  • Load Page on TreeView Node Selection in Silverlight 3Apr 05, 2010. In this article we will see how we can load different pages based on the selection we make in TreeView.
  • Reflection in C#Apr 22, 2010. In this article I would like to explain how to load an assembly dynamically and display its forms with the help of Reflection.
  • Custom Splash/Loading screen in SilverlightApr 24, 2010. In this article we will go step by step to implement custom splash screen in Silverlight.
  • Loading the controlsApr 26, 2010. In this tutorial we will see how to add the controls on your project.
  • Test-driven development approach for database applicationsMay 10, 2010. In this article, I will show how programmers can use the test-driven development approach to test enterprise solutions and its underlying data layer which should also support transactions in order to manage persistent data and leave the database systems in correct states.
  • Dynamically Load xaml in SilverlightMay 25, 2010. In this article you will learn how to Dynamically Load xaml in Silverlight
  • Visual Studio 2010 Tools - To improve code qualityJun 21, 2010. In this article, I am going to present a step by step demo on how to improve code quality by using Visual Studio Tools.
  • How you can load HLSL effects on your XNA projectJun 21, 2010. In this article I will be showing you how you can load HLSL effects on your XNA project and use it. We will be drawing a triangle cleared with different color in each vertices.
  • Visual Studio 2010 - Data Driven Unit TestJun 23, 2010. Here I am going to demo data driven unit testing using a CSV file. Ultimately we are going to put test data into a CSV file and use that file data as an input for unit testing.
  • The '8 Commandments' for Choosing a Unit Testing SolutionJul 29, 2010. In this article you will learn how to use 8 Commandments for Choosing a Unit Testing Solution.
  • ComboBox in C#Aug 09, 2010. A ComboBox control is a combination of a TextBox and a ListBox control. Only one list item is displayed at one time in a ComboBox and other available items are loaded in a drop down list.

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