C# Corner

Resources  
  • PaintBrush in C#Jan 10, 2001. The article is the paintbrush application, which demonstrates the different aspects of C# language and certain namespaces. The concepts like EventHandling and class designs are also present.
  • Deploying Programs in C#Mar 08, 2001. Deploying projects in Visual Studio.NET is fairly straightfoward. Most of the process is automated for you through some convenient wizards so it doesn't require much effort.
  • Mail Merge ProgramMar 16, 2001. This is a simple mail merge program. This program reads from 3 different text files (by default) and merge all the info to produce mail documents.
  • Visual Studio .NET: Start upMar 20, 2001. The next version of Visual Studio 6.0 is Visual Studio .NET (VS.NET). In the previous versions of Visual Studio Microsoft has different menu options to pick development environment such as VC++, Visual FoxPro, Visual Basic or Visual Interdev. This version of Visual Studio has integrated everything in one IDE. The reason for that might be all development languages share common library and tools.
  • 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.
  • Remoting in .NETApr 05, 2001. .NET Remoting provides a way for application in different machines/domains to communicate with each other.
  • Operator Overloading ExampleMay 14, 2001. The code uses the feature of Operator Overloading in C#. It shows how different operators are overloaded and can be used in a easy manner.
  • Catch Hold of Device CapabilityJun 05, 2001. If you are developing Mobile Application and been through the different standards in Market.
  • Active Directory Sample IAug 23, 2001. This sample shows how to access Active Directory information in a Windows 2000 domain.
  • Web Service Between .NET, Java and MS SOAP Toolkit - Part IIAug 24, 2001. Second article in this series dedicated to Web services comes as a sequel to the first one in which I started to tell you how you could build different kind of clients and services using MS SOAP Toolkit, Apache SOAP for Java and .NET Framework.
  • Web Services between .NET, Java and MS SOAP Toolkit: Part 2Aug 24, 2001. This second article in this series dedicated to Web services comes as a sequel to the first one in which I started to tell you how you could build different kind of clients and services using MS SOAP Toolkit, Apache SOAP for Java and .NET Framework.
  • An insight into Code Reusability and COM Interoperability : Part IAug 28, 2001. Code reusability is the art of using existing code to achieve better productivity and ease of maintenance. The concept of reusability is not new. Its existence has been evident since the evolution of mankind.
  • Playing with StringsSep 18, 2001. This program explores the String class and its various methods. With this you will be able to initialize strings using different constructors and use them. To see how the methods of the 'String' class work, see the following code.
  • A Simple Multi-threaded TCP/UDP Server and Client V2.Sep 24, 2001. This is the second version of my client/server program. The server and the client can be run on the same machine or on different machines. The following is the brief description of the server and the client programs specifically.
  • Method Parameters in C#Oct 15, 2001. This article describes different method parameters such as value parameters, reference parameters, output parameters, and parameter arrays.
  • Directory Picker DialogOct 30, 2001. This Directory Picker in this article is also a bit different because it uses the "Large Icon" view of the ListView to traverse through directories.
  • Basic FTP in C#Jan 10, 2002. FTP client developed using Windows Forms. The source code uses a rigid Model-View-Controller design pattern.
  • Data Access through Web Services, Stored Procedures and SQL QueriesFeb 12, 2002. Web Services has been the most revolutionary aspect of the .NET framework developed by Microsoft. This article presents the three different modes through which data can be accessed viz. through Web services, stored procedures and SQL query using the power of ADO.NET and XML.
  • Function Overriding and Its Impact During Object InitializationMar 25, 2002. Different languages have different ways to initialize an object. C# and Java both have almost similar ways to initialize an object with few subtle differences.
  • 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.
  • Understanding Destructors in C#Jun 18, 2002. This article is about understanding the working concept of destructor in C#. As you read this article you will understand how different is C# destructor are when compared to C++ destructors.
  • Communication Between Two FormsJun 24, 2002. The aim of the program is to send a message between different forms.
  • Web Forms Code ModelJul 23, 2002. ASP.NET introduces a new programming model for Web Forms to separate the code and visual elements in different files.
  • 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.
  • Master-Detail Display using Nested Repeater Web Forms ControlAug 05, 2002. In this example, we will create a web page that displays a formatted view of data with a master detail hierarchy using nested Repeater controls. We will use the Northwind sample for our example. There are many different ways to accomplish this task. We will use data binding and data relations in an effort to get a simple solution.
  • Master-Detail Display Using Nested Repeater Web Forms ControlAug 05, 2002. In this example, we will create a web page that displays a formatted view of data with a master detail hierarchy using nested Repeater controls. We will use the Northwind sample for our example. There are many different ways to accomplish this task.
  • How to Fill Your Own Dynamic Objects using ADO.NETOct 02, 2002. Sometimes you need to use information of different types like strings, booleans or doubles in the same data structure.
  • Database Vendor Independent Code with Improved Connection PoolingOct 17, 2002. This article covers how to create a database application that allows you to specify different databases without writing code for different data providers.
  • Generating Wizards using PanelsNov 15, 2002. Wizards can be generated in different ways. This article shows you how to create wizards using panels.
  • Abstract Factory - Creational Design PatternJan 03, 2003. Abstract Factory simplifies the creation of different families of related or dependent objects. It provides interfaces for this purpose and does not specify the concrete classes.
  • Implementing MVC Design Pattern in .NETFeb 25, 2003. This article explains the basic concept of the Model View Controller (MVC) design pattern and also shows how how closely .NET Framework can be used to implement the MVC design pattern with the one that originally conceived.
  • MWControls v1.0.3.0May 05, 2003. This latest version includes Multi Select TreeView Control which lets you choose between a few different ways of selecting TreeNodes.
  • BreakOut 3DSep 05, 2003. I really miss those days when everything was simple and in 2D. But now it’s different, people today must have everything in 3D. So here it is, my version of breakout.
  • Storing Data in C#Sep 17, 2003. In this article, we will talk about C# data types and how data storage works with different types of data types.
  • 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.
  • Oracle Connectivity in .NETDec 03, 2003. This whitepaper takes you through different ways of database connectivity to Oracle database from .NET. This also talks about the advantages and disadvantages of all of these technologies.
  • Migrating COM/DCOM Applications in Microsoft .NET FrameworkDec 09, 2003. In the current Internet scenario, various classic applications run on multiple networks. These applications could have been written using different languages like Visual Basic, Visual C++. For example, a retail organization would have different systems, such as an inventory management system, a bill of material systems, and a general ledger system, all implemented using various technologies available for application development. These systems need to be integrated to form a higher-level enterprise information system for an organization.
  • Enhanced XP Button ControlDec 12, 2003. The enhanced XP style button is very easy to use and it supports rectangle, circle or ellipse shape with image and different colors. This control also inherit most of the properties from the Forms.Button.
  • Reading and Display Source of Web PagesDec 30, 2003. This sample project is made to help ASP.NET developers. This projects highlights how to add HTML page inside your ASP.NET page which is hosted on same or different webserver. This page can still run on that server and only output is included in the ASP.NET page.
  • Distributed Computing Using .NET RemotingJan 05, 2004. AppDomain is an isolated environment for executing Managed code. Objects within same AppDomain are considered as local whereas object in a different AppDomain is called Remote object.
  • 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.
  • Localization in COBOL .NETJan 09, 2004. This article will show you how to use the power of LOCALIZATION within Visual Studio .NET to create one screen and have it display different languages.
  • Code Access SecurityFeb 06, 2004. Code Access Security represents a fundamentally different way of controlling access rights to protected resources. Traditionally, permissions such as access to the file system, databases or network were allocated based on characteristics of the user. All processes executed by the user would assume an equivalent set of permissions.
  • Generic database access with Mimer Provider ManagerMar 09, 2004. The Mimer Provider Manager uses different plugins to access different underlying ADO.NET providers. Plugins are developed for Oracle, SQL Server, ODBC, and OLE DB.
  • Multilingual Applications in .NETMar 24, 2004. This article explains the basic understanding on different methods of developing multilingual applications in .NET. Here emphasis is given on handling multiple languages using resource files.
  • Implementing Security Access Rights in ASP.NET ButtonMar 24, 2004. In Web based Application, each of the users have different privileges and access rights based on their roles. Each of these roles can have read or write access for different Web pages.
  • Understanding .NET Framework at a glanceMay 05, 2004. In this article we are going to look at Microsoft .NET Framework. This is the newly established software development environment which helps developers to develop applications quickly and gives optimum, efficient, scalable, performance oriented applications in different languages like Visual Basic .NET, C#, ASP .NET, and Jscript .NET.
  • MSMQ, your reliable asynchronous message processingJul 20, 2004. Microsoft Message Queue server, short MSMQ, provides exactly that - guaranteed and reliable message delivery. It provides an easy way to send messages between different applications or to process messages asynchronously.
  • LDAP, IIS and WinNT Directory ServicesAug 05, 2004. Directory Services have gained a lot of traction over the last few years. Directories are repositories of information and can be utilized in many different ways.
  • Creating a Managed Automated Information Agent(mBot)Aug 16, 2004. mBot manages multiple RTC Client objects and exposes interfaces to them via .Net Remoting and .Net Web Services so that they can be managed and used remotely by other .Net applications or from entirely different platforms such as a Java J2EE/SOAP application like Jabber running on Linux or Windows.
  • Posting Form Data from ASP.NET Page to Another URLSep 27, 2004. This article shows you how to post a Form data to a different URL from ASP.NET pages. For example, you might need to send user to a third party payment processing system using post method. ASP.NET does not provide any straight forward way to accomplish this task.
  • A Comprehensive View of SharePoint Portal Server 2003: Part INov 05, 2004. There are many portal solutions on the market, for example from IBM, Microsoft, Plumtree, Vignette, etc. Microsoft's latest portal solution is "Windows SharePoint Services" and "SharePoint Portal Server 2003". This article will not evaluate different portal solutions but rather explain how to use and develop for "Windows SharePoint Services" and "SharePoint Portal Server 2003" from Microsoft.
  • 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.
  • Talk to SharePoint through its web servicesDec 09, 2004. Microsoft Office 2003 is very tightly integrated with SharePoint by utilizing its web services. Windows SharePoint Services comes with sixteen different web services. SharePoint Portal Server 2003 supports an additional five web services. The web services provided by SharePoint do provide a vast array of features.
  • Best Approach for Designing Interoperable Web ServiceMar 15, 2005. This article will clarify and explain in detail the different Web Service Design Methodologies as defined by the Web Services Standardization Groups, clarify the terms, highlight their differences.
  • Localizable Message Box ControlApr 02, 2005. This is localizable MessageBox control. Buttons on standard windows message box controls are always Yes, No, Abort, Cancel, OK, Ignore, Retry. I needed different text on my message boxes so I decided to develop custom message box control.
  • Globalization Using ASP.NET Apr 19, 2005. In this article we see how to cater different contents based on the culture using Globalization in ASP.NET.
  • Using the AnyButton to Create Dynamic Image ButtonsJun 07, 2005. This article describes how to use the AnyButton server control and explains a few extra features.
  • OOPS Concepts And .NET Part 2: Inheritance, Abstraction And PolymorphismJun 22, 2005. The following article is the second of a three-part article series that presents definitions and samples for different Object-Oriented Programming (OOP) concepts and its implementation in .NET
  • OOPS Concepts and .NET Part 2: Inheritance, Abstraction, & PolymorphismJun 22, 2005. The following article is the second of a three-part article series that presents definitions and samples for different Object-Oriented Programming (OOP) concepts and its implementation in .NET. The first part examined the concepts of classes, objects, and structures. This part examines the concepts of inheritance, abstraction, and polymorphism. The third and last part will examine the concepts of interface, multiple interface inheritance, collections, and overloading.
  • OOPS Concepts and .NET Part 1: Classes, Objects, and Structures Jun 22, 2005. The following article kicks off a three-part article series that will present definitions and samples for different Object-Oriented Programming concepts and its implementation in .NET.
  • OOPs Concepts and .NET Part 1: Classes, Objects, and StructuresJun 22, 2005. The following article kicks off a three-part article series that will present definitions and samples for different Object-Oriented Programming concepts and its implementation in .NET. The first part will examine the concepts of classes, objects, and structures. The second part will examine the concepts of inheritance, abstraction, and polymorphism. The third and last part will examine the concepts of interface, multiple interface inheritance, collections, and overloading.
  • Using the DPAPI through ProtectedData Class in .Net Framework 2.0Jan 05, 2006. The objective of this tutorial is to show how the DPAPI can be used to encrypt and decrypt data. Encrypt some data using ProtectedData Class in System.Security.Cryptography namespace and save it to a file. Show that the data can be decrypted using the same class but deferent method. Login as a different user,and show that the data cannot be decrypted.
  • Introduction to new SECS/GEM driver using SecsToTool.NetJan 06, 2006. SecsToTool.Net is a connectivity solution for the semiconductor equipment that support SECS/GEM communication interface. The SecsToTool.Net SECS/GEM driver SDK is designed to provide a high level method call/reply and event driven environment for your host application (or what we normally called Cell Controller/Station Controller/Equipment Manager) to communicate with equipment.
  • Migrating Java RMI to .NET RemotingJan 16, 2006. .Net Remoting and Java RMI are mechanisms that allow the user to invoke method/methods in another address space. The other address space could be on the same machine or a different one. These two mechanisms can be regarded as RPC in an object-oriented fashion. This article describes how to migrate java RMI applications to .NET Remoting applications, with practical examples.
  • ASP.NET Caching: SQL Cache Dependency With SQL Server 2000Jan 30, 2006. SQL cache dependencies are one of the most wonderful new features in ASP.NET 2.0, the ability to automatically invalidate a cached data object (such as a DataSet or Custom Data Type) when the related data is modified in the database. This feature is supported in both SQL Server 2005 and in SQL Server 2000, although the underlying plumbing is quite different.
  • Web Services for .NET and J2EE InteroperabilityFeb 13, 2006. Web services technologies are designed to support the interoperability between many different application development platforms that exist today. This article is focused on the fundamentals of .NET and Java interoperability using Web services technologies.
  • DataReader And DataSetMar 20, 2006. ADO.NET is part of Microsoft.NET which comprises a set of tools and object model for accessing a data source. The objects definition appears under the System.Data namespace. It allows applications to store, manipulate and retrieve data. In this article I’m going to talk about the two different objects for accessing data sources in two common contexts of your application: the connected and disconnected environment.
  • Magic of Regex using C#.NetMar 31, 2006. This article is all about Regex which shows different functionalities of the RegularExpression Class with sample code.
  • Methods for Transforming data to a XML fileMay 16, 2006. This articles mentions different ways to tranform data to XML file.
  • User Authentication & Role Management in ASP.NET 2.0 using Sql Server 2005: Part IJul 21, 2006. This article gives you a complete description of the user authentication and how to manage roles for different users using asp.net 2.0 and sql server-2005.
  • Maintaining Transactions in Enterprise applications using ADO.NET Transactions Aug 07, 2006. This article explains usage of System.Transactions to update tables of two different databases with two different data providers (SqlClient and OleDB) in Atomic(ACID) way.
  • Cross Page Postback in ASP.Net 2.0Aug 11, 2006. In ASP.Net 2.0, cross-page post backs allow posting to a different web page, resulting in more intuitive, structured and maintainable code. In this article, we will explore the various options and settings for the cross page postback mechanism.
  • Asynchronous Callbacks and Ajax based UI Experience in Web ApplicationsSep 11, 2006. The current article shows a couple of different views of showing progress bars in Web based applications.
  • Changing XSL StyleSheets on the FLY in C# and ASP.NETSep 26, 2006. This article shows you how you can use alter XSL in memory to transform XML data into HTML with different results.
  • C# Introduction to Fuzzy Computing: Part INov 15, 2006. Boolean logic often fails to adequately simulate real-world conditions because things are never simply just black and white (or zeroes and ones) but exist in millions of shades of grey. This article is a brief introduction to the subject of fuzzy computing through demonstration of a few of the core principles using a fuzzy controller.
  • Conditional Activities in Windows Workflow FoundationDec 11, 2006. In this article, we will take a look at the introductory concepts of Conditional Activities in the Windows Workflows Foundation. We will explore the types of Conditional Activities and the different ways of specifying Conditions.
  • Interoperability between WCF and Oracle Application Server : Part IJan 24, 2007. This article is part of series intended to show how to use Web Services related technologies to interoperate applications running in different platforms, in this case, the most common scenario between Microsoft.NET and Oracle AS platforms.
  • Arabization: Localization/Globalization in ASP.Net 2.0Mar 19, 2007. In order to reach global market for any successful product, it is necessary that product supports maximum regional languages. To have support different languages, it is required that while developing product, the concept of localization / globalization utilized.
  • C# and VB code mixed together in ASP.NET 2.0Jun 14, 2007. C# and VB.NET code classes can be mixed together in a ASP.NET 2.0. Such mixing of classes in different languages is not allowed with default settings. This article explains how to achieve this.
  • Outlook with .NET 2.0 Jun 26, 2007. This article allows you to know how you can access different functionality of the outlook using .NET like create an appointment, Create contact item, task item and send a mail.
  • Using the BackgroundWorker Component in .NET 2 ApplicationsJul 03, 2007. In this article I will show (step-by-step) how you can use the BackgroundWorker Component in .NET 2 applications to execute time-consuming operations.
  • A glance at .NET Framework 3.0Jul 17, 2007. This article glances on what is new in .NET Framework 3.0 and how this version is different from all previous versions of .NET?
  • Authentication Modes in ASP.Net for SecurityJul 24, 2007. In this article we will investigate the different types of authentication provided by Asp.net.
  • 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.
  • Implementing multiple sitemapsOct 25, 2007. This article explains how to control the display of nodes for different user, while using treeviews and sitemaps.
  • Distributed Databases in SQL Server 2005.Nov 20, 2007. An increasing number of applications require access to multiple databases located at different sites. A distributed database system allows applications to access database locally and remote transparently.
  • Introduction to Functional Programming in C#Jan 13, 2008. With the release of the 3.5 framework, we have a completely different coding style available (functional programming). We could actually do functional programming in the 2.0 framework, but the resulting code was ugly and hard to understand at a glance and thus hard to maintain. Now, with lambda method syntax and extension methods, we can produce very human-readable code written in a functional style.
  • How C# is Different From JavaJan 17, 2008. This article describes the various differences between C# and Java.
  • Functional Programming with C#: Dynamic List GenerationJan 27, 2008. This article covers how to use functions as the basis for generating lists given some initial seed values. This technique is useful for constructing different types of numeric series, calculating growth and decay, and also useful for searching algorithms.
  • C# Generic Identity Map -- Creating an Object Pool for Multiple Object TypesJan 27, 2008. This article demonstrates a technique through which we can have a type-safe pool object that holds references to many different types of objects.
  • Functional Programming with C# - CompositionMar 05, 2008. In this article we'll look at using a couple different functional approaches to implementing a basic formula through composition including using monads.
  • Strategies to Implement a Multi-Criteria FilteringMar 06, 2008. This article provides you different ways to implement a multi-criteria filtering.
  • The Zen of GUI ProgrammingMar 13, 2008. This article describes some important rules to follow when creating an application that contains a presentation layer.
  • Executing multiple stored procedures within a single transaction context from ADO.NetMar 20, 2008. This article discusses how we can execute multiple stored procedures in ADO.NET with different parameter values in a single Transaction context.
  • Methods, Delegates, Anonymous Delegates, and Lambda Expressions... Oh My!Mar 22, 2008. This article covers different syntax we can use for declaring and executing methods.
  • F# Tuples and Binding (and more Binding)Mar 26, 2008. Binding in F# is similar to using variables in C# but there are some big differences. This article discusses one of the most used keywords in F# for binding ("let") and how it is different than setting a C# variable. I also cover the tuple F# data structure.
  • An Introductory look at the ASP.Net 3.5 Model-View-Controller FrameworkMay 14, 2008. In this article we will take a brief look at the Model View Controller Framework extension for ASP.Net 3.5.
  • 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.
  • State Management is Silverlight using Isolated StorageJul 28, 2008. State management is the process to maintain state and page information over multiple requests for the same or different pages. State management in Silverlight 2 can be done using the concept of Isolated storage.

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