C# Corner

Resources  
  • Asynchronous Request in .NET (C#)Jan 09, 2000. This code sample shows how to call a COM component in .NET framework using C#.
  • A Graphics Component in C#Jan 15, 2000. In this example we have an XYGraph Component and a form that uses it.
  • A GridView Component in C#Apr 05, 2000. This example shows you how I've wrapped a ListView in a UserControl and turned it into a simple grid control.
  • Feature I LikeOct 04, 2000. This article explains how easy to create a component using C#.
  • Calling a COM Component From C# (Late Binding)Jan 08, 2001. This code sample shows how to call a COM component in .NET framework using C#.
  • Chat Server and Client in C# Using Remoting TechnologyFeb 16, 2001. This application is a simple Chat server and Client, which is conversion of Java RMI chat server and client. The Java client was a Applet and present application client in Windows Forms.
  • Deploying Programs in C#Mar 08, 2001. Deploying projects in Visual Studio.NET is fairly straightforward. Most of the process is automated for you through some convenient wizards so it doesn't require much effort. Keep in mind, though that you probably need the Windows Component Update Beta 1 on the machine you are deploying to. I suspect you also need the Microsoft .NET Framework, as well (for now).
  • 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.
  • Introduction to SOAPMar 22, 2001. Since the release I have been fascinated with this thing called SOAP, This bubbly new protocol backed by the power of XML is certainly going to make waves in the world of distributed computing. The first thing which comes into our mind is “Why the heck we didn’t think of this before?
  • Accessing .NET Components from COM Clients and COM components from .NET ClientsMar 26, 2001. In this article I am going to explain how to access a .NET component from a COM client and accessing COM from .NET clients.
  • 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.
  • Naming Guidelines in .NETApr 20, 2001. Commenting and following a uniform naming guidelines in your code is one of good programming practices to make code more useful.
  • 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.
  • Working with Relational Data in ADO.NETMay 03, 2001. Working with hierarchal data was not that easy with the previous version of ADO.
  • 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.
  • Using Reflection and With Class2000 to view the .NET System.Drawing library Part IMay 29, 2001. Using the power of .NET and the power of COM InterOperability through WithClass 2000, you can view the System.Drawing library in a rough UML diagram.
  • Web Scanner Part-1Jun 01, 2001. My favourite technology web site is updated throughout the day. I thought it would be nice to have a program that checked every 30 minutes for updates and told me what stories were there.
  • Reminder ProgramJun 08, 2001. The program allows you to set a running timer to remind you of an upcoming event.
  • Com and Component creation in C#Jun 09, 2001. Component is nothing but the reusable piece of software in binary form that can be plugged into other components from other vendors.
  • ADO.NET: What's changed in .NET Beta 2?Jun 20, 2001. ADO.NET API is one of the changed APIs. In this article, I've covered some of ADO.NET changes in Beta 2.
  • .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.
  • CDataService: A Generic Database Access ClassAug 09, 2001. Using a generic database access component in data-aware applications can simply development and separate data tier from business tier.
  • A Vision Regarding .NETAug 27, 2001. The present enterprise setup's need to have n-tire architecture with diverse platforms and object models communicating with each other. The present applications are to be created such that those applications have to run in any platform (like Windows, Linux, Mac , Unix etc) and which consist of components written in many programming languages and object models.
  • Interface Components Interoperability Aug 27, 2001. The fundamental concept behind both COM and DCOM is the interface. An interface is an agreement between a client and an object about how they will communicate with each other.
  • 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.
  • Web Browser in C# and VB.NETSep 11, 2001. This article explains how to add and web browser ActiveX to your project to developer your own customized web browser.
  • Components in C#Nov 06, 2001. The components creation and usage in C# is much more simple than earlier technologies like C++, ATL, COM.
  • An insight into Code Reusability and COM Interoperability - Part 2Nov 26, 2001. We have mushrooms of network systems running across the globe based on many proprietary protocols. In order to integrate these systems to communicate with each other in a more meaningful way, developers or organizations have to face an uphill task.
  • XP, Component Services and .NETDec 13, 2001. First of all, COM+ does revolutionize COM; it is not only a superior new version of the COM programming model it is also a new platform to design and develop components. In addition, COM+ Services in XP does have some differences from Windows 2000; also XP and COM+ 1.5 offer a richer set of services than was available in COM+ 1.0. This article will describe the basic component services on the XP.
  • How Can You Migrate your Existing Applications?Dec 20, 2001. When a new technology emerges, companies and developers begin to wait anxiously for answers to their questions.
  • Builder Patterns in C#Dec 20, 2001. Builder is an object creational design pattern that codifies the construction process outside of the actual steps that carries out the construction - thus allowing the construction process itself to be reused.
  • Space Invaders in C# and .NETDec 23, 2001. Yes, the classic arcade game has returned and is appearing in C# Corner complete with sound and authentic aliens and source code. It's not quite as good as the real game, but with a few adjustments it can get there.
  • Adapter Pattern in C#Jan 03, 2002. The Gang Of Four (GoF) defined the Adaptor pattern as follows in their most famous book "Design Patterns" Gamma et al. Adapter lets classes work together that couldn't otherwise because of incompatible interfaces."
  • Buliding Text to Speech Applications using SAPI 5.1 and C#Jan 03, 2002. In this article,The Speech application programming interface (SAPI) considerably decreases the code necessary for an application to use speech recognition and text-to-speech, making speech technology more handy and robust for broad range of applications
  • Overview of Automated TranscationsJan 04, 2002. Two or more .NET Framework objects can participate in the same transaction. One or more .NET Framework objects can participate in the same transaction as one or more COM+ objects. All objects must be hosted in Microsoft Windows 2K Component Services so as to receive services such as transaction processing.
  • Creating an Excel Spreadsheet ProgrammaticallyJan 22, 2002. The Interoperability services make it very easy to work with COM Capable Applications such as Word and Excel. This article reveals using Excel from a managed application. Excel is the spreadsheet component of Microsoft Office 2000.
  • Creating an Excel Spreadsheet ProgrammaticallyJan 22, 2002. The Interoperability services make it very easy to work with COM Capable Applications such as Word and Excel. This article reveals using Excel from a managed application. Excel is the spreadsheet component of Microsoft Office 2000.
  • .NET Framework and Web Services - Part 1Jan 28, 2002. The .NET Framework is a new computing platform designed to simplify Windows application development in the highly distributed environment of the Internet. Common Language Runtime (CLR) is the Heart of the .NET Framework.
  • Yahtzee Program Using C#: Part IIJan 31, 2002. This is an update of the Yahtzee program for VS 2005. Included in this version is a Game Reset and a High Score Tracker. The Top Ten High Scores are tracked using an Array with sortable components. In this article we will talk about the IComparable interface used to make an object stored in an array sortable.
  • An Animation Component using C#Feb 08, 2002. Sometimes its desirable to get those graphics moving a bit and this article show the control to implement it.
  • Publication Application Developed in C#Mar 07, 2002. This program retrieves publishers, title and author information from the SQL Server "pubs" Database.
  • SQL Server Database ExplorerMar 20, 2002. This application connects to a running SQL Server 2000 and displays all the available databases in it.
  • .NET COM Interoperability - Part 2: Using .NET Component from COMApr 02, 2002. When a COM client calls a DotNet object, the DotNet framework will create a COM callable wrapper (CCW). COM clients use the CCW as a proxy for the managed object.
  • .NET COM Interoperability - Part 1: Using COM Components from .NET FrameworkApr 02, 2002. The DotNet framework exposes COM objects through a proxy called the runtime callable wrapper (RCW). The primary function of RCW is to marshal call between a managed client (.Net) and unmanaged COM object. The runtime maintains a single RCW for each COM object.
  • 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.
  • An XY Plot User Control in GDI+May 24, 2002. This is a follow up of the article written originally for the beta version of .NET. called, A Graphics Component in C#.
  • Robotics Game Using .NET LanguagesMay 28, 2002. It is often not easy to get to know new technologies like .NET if you don’t get introduced to in a work environment.
  • ADO.NET From Windows DNA's PerspectiveJun 12, 2002. Windows DNA is a framework to build multi-tier, high performance, scalable distributed applications over the network. This article takes a Windows DNA perspective and compares how ADO.NET fits in Windows DNA.
  • Redhotqlue C# ArrayObjectJun 20, 2002. Unlike Visual Basic the C# language does not provide a standard mechanism for re-dimensioning (resizing) arrays. This component provides that additional functionality for arrays created in C#.
  • 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.
  • Writing a Generic Data Access ComponentJul 17, 2002. I've received couple of emails people asking me how can they use a common data provider to access various types of data sources without loosing the power and flexibility of native data provider libraries.
  • Writing a Generic Data Access ComponentJul 17, 2002. OK, I've received couple of emails people asking me how can they use a common data provider to access various types of data sources without loosing the power and flexibility of native data provider libraries.
  • Writing a Generic Data Access Component - Flexible ApproachJul 18, 2002. Here is one more flexible approach to achieve the same. I prefer this approach to generic data access.
  • 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 24, 2002. This article shows to utilize the System.Activator class and a factory pattern to create the concrete provider classes.
  • 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 Multimedia Controls in .NET through COM InteroperabilityAug 01, 2002. In this article I'll try to explain the issue of the COM Interoperability and how to use Multimedia Device controls.
  • CoolLayout .NET: A Windows Forms ComponentAug 02, 2002. CoolLayout.NET is design time enabled .NET component which helps to create professional forms with no coding efforts.
  • Reusable System Information ComponentAug 26, 2002. In this article we will create a reusable component, which retrieves the operating system information. We will explore ComponentModel and SystemInformation class also.
  • TWINXBASE ServiceSep 09, 2002. This service scans in a directory by using FileWatcher component and when a file arrives, then the service will check the extension of the file, if the file has the extension .DBX then it will read the contents of the file and communicate with the database (C:\FILESERVICE\DB\MyDB.mdb) and insert / update / delete the records in the database -table.
  • Windows Service Information ComponentSep 11, 2002. This article is on a reusable Windows service information component, which queries and retrieves the Windows service information.
  • Remoting Calls RecommendationsSep 19, 2002. The goal of this article is not to describe remoting technology in details. It is more focused at the practical design and implementation mistakes during development process concerning garbage collection and performance.
  • Remoting Calls RecommendationSep 19, 2002. The goal of this article is not to describe remoting technology in details. It is more focused at the practical design and implementation mistakes development process concerning garbage collection and performance.
  • Single Instance Control ComponentSep 23, 2002. This article is on a single Instance control component which checks whether any instance of your application is running on the System.
  • ATL COM Component, ASP.NET Web Service, and VB ClientOct 14, 2002. This article describes how to use ATL COM Components in ASP.Net web service and how to consume the ASP.Net Web Service from Visual Basic 6 Client. Ultimately the VB6 client calls the method of the COM component created in Visual C++ through the ASP.Net Web Service.
  • Data Access with ADO.NETNov 04, 2002. This first article will provide a brief history of data access as well as provide the basic flow for using ADO to access data.
  • Extracting Modules and Component(RSAParameter) from X509Certificate PublicKeyNov 04, 2002. In some applications, it might be necessary to extract the modulus and exponent from the X509Certificate PublicKey. The X509Certificate.GetPublicKey() returns a byte array that contains the ASN.1 Encoding information along with the modulus and exponent as described in the RFC2459.
  • Cryptography in Microsoft.NET Part I: EncryptionDec 12, 2002. Microsoft .NET has pre-built solutions to all of these in each application domain, viz., ASP. NET, Web Services, Serviced Component etc. It enables building secured application by simple configuration as in ASP.NET to full fledged programmable security as in code access security and Cryptography.
  • Event Logging in .NET: Using Remoting to Implement Distributing LoggingDec 20, 2002. In this article we will view the event logging API that comes with .NET.
  • ADODB Services in .NET Applications Using C#Dec 31, 2002. With the advent of ADO.NET, the .NET Framework lets you work with your data in a paradigm shift.
  • COM Interoperability Part 1: Using COM Components in .NET FrameworkJan 02, 2003. In this article we review the concepts & walk-through an example that demonstrates COM interoperability in .NET framework.
  • Distributed Cross Platform Applications, the Easy Way Mar 07, 2003. There are many ways of transferring data from one process to another. All those methods have some advantages, but also some drawbacks.
  • Querying COM+ through Web ServicesMar 12, 2003. The most COM+ common administrative tasks (creating a COM+ application, installing/deleting a component, setting a component attribute) can be accomplished manually with the Component Services administrative tool from Management Console.
  • Building Reusable ComponentsMay 08, 2003. One of the main advantages of building components is to promote reusability.
  • A Beginner's Guide to Microsoft's shared Source CLI (Rotor)May 13, 2003. The Common Language Infrastructure (CLI) is the ECMA standard that describes the core technologies contained in .NET.
  • Building Data Access Helper Component for Microsoft SQL ServerMay 13, 2003. In this article I will be going through the development of a class library similar to Microsoft Data Application Blocks.
  • SmallPOP: Hackish Implementation of POP RFC in .NETJun 02, 2003. The attached source code and this article contains the details for the C# version of SmallPOP, a quick and dirty component for retrieving e-mail from POP servers.
  • FTP Client ComponentJun 12, 2003. An FTP Connection component that you can add to the toolbox of your IDE.
  • HTTP Handlers for Images in ASP.NETJun 23, 2003. Have you ever thought of streaming thumbnails just by passing query string indicating width or height of thumbnail you need, and most importantly passing those to image itself?
  • Data Access Component for SQL Server in C#Jul 07, 2003. The attached source code a data access component for SQL Server that contains methods to get a DataSet.
  • EggTimer in C#Aug 26, 2003. This simple timer app will count down from whatever value is set in the textbox.
  • Authentication and Authorization in ASP.NETSep 09, 2003. There are two closely interlinked concepts at the heart of security for distributed applications - authentication and authorization.
  • Pros and Cons of ActiveX and DHTML ControlsSep 16, 2003. This document shows a comparison study of web pages using simple ASP and ActiveX Controls. By the End of this document, we arrive at a conclusion of which one to use when.
  • SMTP/POP3/IMAP Client and Server Components LibrarySep 26, 2003. The attached library contains the SMTP/POP3/IMAP client and server components. See the attached help file for more details.
  • SMTP/POP3/IMAP Client and Server Components LibrarySep 26, 2003. One of the least discussed components of .NET is one that has proven quite helpful for me in the development of my enterprise intranet.
  • Remoting in .NETSep 26, 2003. Distributed computing is an integral part of almost every software development. Before .Net Remoting, DCOM was the most used method of developing distributed application on Microsoft platform.
  • Meet Microsoft .NETSep 30, 2003. Before writing applications in C#, understanding the .NET is very important. Usually, beginners who are moving to C# don’t care about understanding .NET? In this article, I will try to explain .NET in general and its components.
  • Late Binding With ReflectionOct 20, 2003. Component based technology has done great things for software development, allowing reuse and leading to better-written code that separates subjects and entities into distinct components.
  • Introduction to ASP.NET HTTP ModuleNov 24, 2003. This article will help the users to examine the use of HTTP Modules and their use in extending the pipeline. The HTTP Pipeline is a series of extensible objects that are initiated by the ASP.NET runtime in order to process a request.
  • 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.
  • 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.
  • Real Life SQL and .NET: Part IIIJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET: Part IVJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET : Using SQL with C#: Part IXJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET :Using SQL with C#: Part VIIIJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET : using SQL with C#: Part XIJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET: Part IJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET: Part IIJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Real Life SQL and .NET: Part VJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.

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