C# Corner

Resources  
  • C# Installation and CompilationSep 29, 2000. This article explains what you need to install on your machine to run C# and where to find the downloads.
  • C# in Windows 98 and Windows NTOct 13, 2000. This article explains how to install and run C# on Window 98 and Windows NT 4.0.
  • ProTracker v1.0 : A Process Tracking UtilityFeb 14, 2001. ProTracker is a process tracking utility similar to Windows NT Task Manager's Processes tab window.
  • Reflection in .NETFeb 26, 2001. Refelction is the mechanism of discovering class information solely at run time. Wondering where it would be useful?
  • Sticky NotepadMar 05, 2001. I wanted to experiment with writing a program that would run from the "System Tray" of window (that's where you have the date displayed...) since that's not possible with pure Java.
  • 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).
  • 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.
  • Understanding How Assert Effects SecurityApr 25, 2001. Assert is a security action that is evaluated at run time. Code Access Permission classes and Permission Sets support a method called Assert. Using the Assert method to control access to resources or actions will allow your code to perform actions that it normally has permission to perform and will allow other callers up stream in the call stack to have access that they would not normally have.
  • 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.
  • Serializing Objects in C#May 14, 2001. In simple words serialization is a process of storing the object instance to a disk file. Serialization stores state of the object i.e. member variable values to disk. Deserialization is reverse of serialization.
  • Working With Process ClassMay 22, 2001. This article is aimed at introducing the novice .NET developer to the basic usage of System.Diagnostics services included in the .NET BCL.
  • Reminder ProgramJun 08, 2001. The program allows you to set a running timer to remind you of an upcoming event.
  • Creating Run-Time Menus in C#Jun 14, 2001. Sample example on how to create runtime menus.
  • Synchronization in Parallel threadsJul 02, 2001. The Threads makes us able to run multitasks at a time. In fact Computers (John von Neumann Architecture) don't execute the tasks parallel .The OS gives threads permission (depend on thread priority) to work on CPU. The sufficient degree of parallelism keeps the CPU busy and it is efficient.
  • .NET Brings The Fun Back to ProgrammingJul 11, 2001. Today, we are all comfortable sitting in front of our high powered computers running graphical user interfaces and compiling code in sophisticated development environments.
  • .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.
  • Service ExplorerAug 06, 2001. This program manages services running in your computer. You can use the GetServices method on the ServiceController class to retrieve a list of the services on a particular computer.
  • Run-Time Menus in C#Aug 20, 2001. The following example demonstrates how to create menus on the fly.
  • Web Services between .NET, Java and MS SOAP Toolkit: Part IAug 24, 2001. WinGhost 2.0 application allows you to show and hide applications running on your machine. I find this program useful at my work as I do lot of programming at any given time I can have a bunch windows open. I use it normally to hide just my windows I don't access that often.
  • 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.
  • Calendar Using DateTime ClassSep 05, 2001. The console based calendar program is a which when run shows current month's calendar using the C# Date Time Class.
  • TCP Client and ServerSep 20, 2001. You need to compile the server and the client programs separately. Before compiling, change the IP address in both programs to match that of your machine (NOTE: You can get IP address of your machine if you run 'ipconfig' from the command prompt in Windows NT/2000 m/c's)
  • 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.
  • Transactions in ASP.NETOct 01, 2001. This article explain, how to process a transaction within ASP.Net web forms. 
  • Enhance Batch File Functionality With C# Application : Part IOct 12, 2001. Batch (.bat or .cmd) file has its rich set of commands and processing directives.
  • Exception Handling in C#Oct 17, 2001. Exception handling is a builtin mechanism in .NET framework to detect and handle run time errors.
  • 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.
  • Type Conversions in c#Dec 04, 2001. Type conversion is a process of converting one type into another. Using C# type conversion techniques, not only you can convert data types, you can also convert object types.
  • Redirecting Standard Input/Output using the Process ClassDec 18, 2001. When a program starts, a new process (a program in execution) is created by the operating system,and this process is identified by its process Id and also a name.
  • 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.
  • 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.
  • Hangman Program Using C#Jan 19, 2002. Hangman was created to illustrate several features of C# including GDI+, string manipulation, array processing, using properties, as well as simple creation of objects.
  • Chat Server with Client Implemented with C#Jan 19, 2002. This client/server application let you chat ....
  • JIT CodingMar 11, 2002. One not so well known feature of .NET platform is possibility to invoke compiler and practically create code and assembly from running instance of application. It is possible to do that in two ways. First one is a bit simpler and involves namespaces System.CodeDom and System.CodeDom.Compiler, second one is more efficient and utilizes namespace System.Reflection.Emit. Since there are very few examples about how to use System.CodeDom.Compiler I will start with it.
  • Tutorial: Capturing and Running IE Instances in a Windows controlMar 15, 2002. In this article we are going to study how to find the running instances of Internet Explorer on your machine.
  • SQL Server Database ExplorerMar 20, 2002. This application connects to a running SQL Server 2000 and displays all the available databases in it.
  • 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.
  • .NET Security in C#Apr 22, 2002. This article shows how to make file I/O access be denied if the user running the application did not have administrator privileges.
  • .NET Performance Counters, Part 1: Predefined CLR Performance CountersMay 13, 2002. In this article, I will describe what a performance counter is and introduce you to the predefined counters that you can use to monitor the state of the CLR while your applications run.
  • Trace Utility to Trace IP Packet PathMay 16, 2002. Trace utility traces the path of an IP packet. To understand the process, its important to understand ICMP protocol we are going to use for this purpose.
  • Configuring Applications in .NETJun 06, 2002. The .Net Framework provides a very convenient and flexible way to configure applications at run time.
  • Building Application Frameworks with C#Jun 28, 2002. Frameworks are generalized and customized application, which can be built upon into a complete and fully functional software programs.
  • Shell Commands within C#Jul 10, 2002. In this article we will examine a few examples for executing shell commands outside of our program using C#.
  • 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.
  • Windows Forms Printer Selection ListJul 30, 2002. In this example we will create a sample windows form containing a combo box which will list the printers installed on the machine on which the program runs. The default printer for the machine is set as the default selection in the combo box.
  • Validation Server Controls in Web FormsAug 05, 2002. When working with Web applications, developers need to write two separate codes using Java Script and VB Script to validate user inputs.In this article we are going to see, how we can reduce the programmers effort on coding, reducing the execution process time and simplify the code handling and less number of lines in the coding.
  • Macro to Add Strong Names to VS.NET ProjectsAug 06, 2002. When writing class libraries in Visual Studio .NET that are going to be placed into the GAC you will need to add strong name to the assembly. This is normally done by dropping out to a dos prompt and running the .NET utility sn.exe and then updating the assembly to reference the newly created .snk file.
  • 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.
  • Eater Game II - The Stone MazeOct 02, 2002. This program combines the designs of the Eater Game and the Maze Generation Program to create a more challenging game, Eater Game II. In this game, you move a pacman-like character through a maze and eat as many stones as you can before time runs out. You have a minute and a half to try to eat stones before the pac-man simply freezes-up and accepts his quota of stones.
  • Using the ThreadPool to Run Animated Gifs in C# and .NETNov 14, 2002. In this article we will discuss the use of the ThreadPool class in conjunction with the ImageAnimator class to run 3 animated gifs in separate threads.
  • Kill an Application with System Menu using C#Nov 20, 2002. This article uses the Windows API’s to kill the application running under windows environment.
  • Synchronized Threading in .NETDec 11, 2002. Threads are a powerful abstraction for allowing parallelized operations: graphical updates can happen while another thread is performing computations, two threads can handle two simultaneous network requests from a single process, and the list goes on. Since threads are pretty simple to understand, conceptually, but, practically, they are a cause for programmatic headaches, I decided to write this program to describe how to make use of threads.
  • Dynamic Code Generation and Code CompilationDec 16, 2002. This is a simple application for generating the code dynamically and compiling it dynamically.
  • Events in C# Made Easy - Lesson1Jan 02, 2003. Events are useful for updating a user interface with changed data, or causing a piece of code to run after another piece of code has completed. .NET has brought us a powerful model for programming events.
  • Low Down on Installing a .NET Assembly into the Global Assembly Cache (GAC)Jan 02, 2003. This article will walk you through the process of giving your assembly a strong name, and installing it into the GAC.
  • An Introduction to C#Jan 16, 2003. This tutorial explains the basics of C#, a modern Object Oriented Programming language that was designed by Anders Hejlsberg at Microsoft.
  • Automating the Process of Getting Latest Files from VSSJan 22, 2003. In this article, I will show you how to write an automated process of taking VSS backup. Initially, this application was written with some hard coded settings such as user name, password. and VSS path.
  • Using Genetic Algorithms to Design Logic Circuits in C#Feb 05, 2003. The article goes to explain that GA (Genetic Algorithms) have been used by various programmers to come up with 15 previous patented inventions + (and here is the startling part) some new ones! I can see the running joke in the patent office now.
  • Run Time CompilerFeb 07, 2003. In this article, I am going to discuss how to take a string then compile it and then how you execute it.
  • Speedometer: Applying GDI+ TransformationsFeb 10, 2003. This zip file contains two folders - one folder contains speedometer control and the other contains the application that uses the control. Put both folders in the same location and open the application in VS and run it.
  • 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.
  • 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.
  • Hotmail using C# - An HTTPMail Client under .NETMar 21, 2003. The great thing about the POP mail protocol is that it is a well-documented open standard and writing a mail client to collect mail from a POP box a relatively painless process.
  • How to Detect a Dialup Connection?May 15, 2003. In the article we'll see how to check connectivity with internet using VB.NET.
  • User Controls in Internet ExplorerAug 13, 2003. WinGhost 2.0 application allows you to show and hide applications running on your machine. I find this program useful at my work as I do lot of programming at any given time I can have a bunch windows open. I use it normally to hide just my windows I don't access that often.
  • User Controls In Internet ExplorerAug 13, 2003. ASP programmers have long been using ActiveX controls as part of their client-side programming techniques, but now we are able to easily render Windows User Controls (almost Windows Forms, but not quite) into our HTML.
  • Export ASP.NET DataGrid to ExcelSep 08, 2003. Export to Excel is one of the most common functionality required in ASP.NET pages. Users can download the data from the DataGrid into an Excel spreadsheet for offline verification and/or computation.
  • Creating Word Find Puzzles for the Web in C# and GDI+ Part IIOct 06, 2003. In our last article we showed you how to create Word Find Puzzles inside of a Windows Form. This article will show you the migration process of bringing it over to an ASP.NET application.
  • Building Dynamic Service in C#Oct 31, 2003. This is a service that will run an application, and can be used over an over without hard coding any information.
  • 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.
  • 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.
  • 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.
  • 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.
  • Validating ASP.NET Server ControlsFeb 20, 2004. Validation server controls are a series of controls that helps you validate the data that the user enters into the other controls that are provided with ASP.NET. They determine whether the form can be processed based upon the rules that you define in the validation server controls.
  • Business Process Execution Language for Web Services 1.0Mar 11, 2004. Web Services use a loosely coupled integration model to allow flexible integration of heterogeneous systems in a variety of domains including business-to-consumer, business-to-business and enterprise application integration.
  • The Graphics Class and TransformationsApr 01, 2004. The Graphics class defined the transformation related functionality. This article discussed the Graphics class and its members that participate in transformation process.
  • Introduction to GDI+ Transformations Apr 01, 2004. A transformation is a process that changes graphics objects from one state to another. Rotation, scaling, reflection, translation, and shearing are some examples of transformation. Transformations can be applied not only to graphics shapes, curves, and images, but even to image colors.
  • The Matrix Class and TransformationsApr 01, 2004. Matrices play a vital role in the transformation process. In GDI+, the Matrix class represents a 3×2 matrix that contains x, y, and w values in the first, second, and third columns, respectively.
  • Color Transformations and the Color MatrixApr 10, 2004. This article discusses the color transformations and how to apply Color Matrix on image colors to provide various effects such as gray scale effects, reduce or increase the contrast, brightness, or redness of an image.
  • Image Processing in C#Apr 13, 2004. This application explains basic concepts of image processing including brightening, converting to gray and adding notes to an image using C# and GDI+.
  • Image Transformation in C# with GDI+ Apr 14, 2004. Image transformation is exactly the same as any other transformation process. In this section we will see how to rotate, scale, translate, reflect, and shear images.
  • University Student Registration Application in ASP.NETMay 03, 2004. The aim of this project is to implement a Web application, where students can register for an online course. If the user is an administrator, he can add and remove courses and modify the student information.
  • User Registration with PayPalJun 28, 2004. This article summarizes how to perform a user registration process which requires payment and how to integrate that with PayPal. This sort of process would exist on a web form where you want to charge for registration.
  • Validating Input Xml Data FilesJun 28, 2004. In this article we'll discus two strategies for validating input XML data files. The validation of an XML input file could occur at various instances of processing.
  • 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.
  • Multithreaded XML Document for Read/Write AccessJul 21, 2004. This article describes a process for using a ThreadPool within a windows service that monitors other services. It also shows how to allow multithreaded read/write access to an XmlDocument, that acts as persistent storage, using a Mutex.
  • Removing Incoming Emails from MS Exchange in C#Jul 23, 2004. The purpose of one of our projects was MS Exchange handler for processing incoming emails and remove some of the incoming emails.
  • 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.
  • .NET RemotingSep 02, 2004. .NET Remoting provides an infrastructure for distributed objects. It exposes full object semantics of .NET to remote processes using plumbing that is both flexible and extensible.
  • Adding Discovery Features to BizTalk Server 2004: Part ISep 13, 2004. This article explores the concepts of the BizTalk-UDDI mapping process and the similarity with the WSDL-UDDI mapping process. By the other way the second article is focused in the implementation and use of the BizTalk Server 2004 UDDI Publishing Wizard tool.
  • 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.
  • MSMQ on Pocket PC 2003Sep 27, 2004. This article builds on top of the existing article "MSMQ, your reliable asynchronous message processing". It will show how MSMQ can be used on Pocket PC 2003 and at the same time provide an introduction to mobile development and the Compact Framework (CF).
  • Modifying File Downloads Dynamically in ASP.NETNov 05, 2004. Often we have to provide our customers with downloading links which must allow them to download specific files for each customer depending for example on the previously entered account or any registration information.
  • WinGhost 2.0Nov 22, 2004. The winGhost 2.0 application allows you to show and hide applications running on your machine.
  • Automate the process of documenting your codeDec 04, 2004. The Visual Studio .NET IDE allows to document your code in a way that the compiler can create an XML document describing your classes, methods, properties, etc. This article explains how to use this feature and then create a basic help file out of it.
  • An Assignable DateTime Class in C#Jan 11, 2005. Occasionally you run into a structure in the .NET library that you really wish was a class so you can inherit all its existing properties, override the ones you don’t like, and add new properties and methods.
  • Performance Improvement in ASP.NET Using CachingFeb 01, 2005. ASP.NET provides caching at several levels for you to leverage and improve the responsiveness of your application by storing the page output or application data across HTTP requests and reuse it. This allows the web server to take advantage of processing the request without recreating the information and thus saving time and resources.
  • SmartPhone Album Program with C#Mar 16, 2005. This article shows how to represent image’s thumbnail in ListView control, how to work with multi-forms and pass information with each other in a smart phone application, how to do simple image-processing, how to scroll picture in a picturebox and use the smart phone’s dpad keys.

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