C# Corner

Resources  
  • TCP Date Client/ServerJan 03, 2000. Free to use Tutorials on Communicating using TCP Sockets on Microsoft's .NET Platform using C#...
  • Meal Scheduler in C#May 04, 2000. This service reminds you when it time to eat your lunch, BF or dinner.
  • Graphics Animation SampleMay 16, 2000. After finishing a text program (lottery) its time for some fun. Everytime a have to work with a new language.I write a small program to bounce some balls in a box.
  • How to read a value from Console?Oct 07, 2000. This article explains how to get the input from the console using ReadLine.
  • 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#.
  • The Convert Class : Conversion Made Easy in .NETJan 08, 2001. The Convert class takes care of most of the data type conversions in .NET programming.
  • Get a database table propertiesJan 22, 2001. Get a table properties such as column names, types etc using DataColumn and DataTable.
  • PaintBrush in C# - IIJan 30, 2001. This is a PaintBrush Application. In this Paintbrush user can draw some images and he can save the images in a persistence storage and later time can retrive the images.
  • Boxing and UnboxingFeb 21, 2001. Boxing and Unboxing are fairly new terms introduced in C#. Author explains some concept of them.
  • 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.
  • Using the ref ParameterMar 06, 2001. The ref keyword on a method parameter causes a method to refer to the same variable that was passed as an input parameter for the same method. If you do any changes to the variable, they will be reflected in the variable.
  • 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.
  • Text to HTML ParserApr 05, 2001. If you have been into developing Web Applications then you might have at many times experienced that when you display multiple lines of data from a database you loose the spacing or formatting between multiple lines of data.
  • Compilation and Runtime Execution of a C-Sharp ProgramApr 10, 2001. C-Sharp (C#) is a strongly typed object-oriented programming language designed to give optimum composition of simplicity, expressiveness and performance.
  • 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.
  • A Lottery Program in C#May 05, 2001. I am learning C# in any spare time I have and instead of diving in and writing a monster program I thought a nice introduction would be good.
  • .NET framework comparison with Java ArchitectureMay 08, 2001. This article outlines Microsoft's proposed standardization of .NET framework in ECMA forum as CLI (Common Language Infrastructure), but the Microsoft documentation refer this as CLR (Common Language Runtime).
  • 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.
  • Mobile Fun with XMLMay 24, 2001. Here is something really wonderful in Mobile field .This example is for authenticating the Mobile Users against his settings stored in XML file. This is really good where all the ease of XML is applied. Function open the XML file and particular node data validate it against user inputs and do the specified.
  • Graphics Animator in C#May 26, 2001. This program will generate a html page with animated gif. You just need at least 2 gifs and use the program to set the time to display each image.
  • Image Viewer in C#Jun 07, 2001. ImageViewer lets you to view images of types bmp, gif, jpeg, ico, wmf, emf. It also allows you to convert images to bmp, gif and jpeg formats. This application illustrates the usage of PictureBox class, Bitmap class etc.
  • C# and its FeaturesJun 09, 2001. C# is a modern, type safe programming language, object oriented language that enables programmers to quickly and easily build solutions for the Microsoft .NET platform.
  • Exception HandlingJun 12, 2001. Exceptions in C# provide a structured, and type-safe way of handling both system level and application level error conditions. The exception mechanism in C# is very similar to that of C++, with a few important differences.
  • Creating Run-Time Menus in C#Jun 14, 2001. Sample example on how to create runtime menus.
  • Time TickerJun 26, 2001. Graphics Class encapsulates a GDI+ drawing surface. The FromHWND method is used to create a new instance of the Graphics class from a window handle. Clear method fills the entire drawing surface with the specified RGB color by using Color class. DrawString method draws a string using Font and SolidBrush classes.
  • 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 DDE to DOTNET RemotingJul 02, 2001. This article travel through time to trace the genesis of Dot Net Remoting right from RPC to RMI till SOAP.
  • Time Ticker2Jul 04, 2001. Microsoft had made lot of Changes for Beta2, some of the changes are old Namespace such as System.WinForms modified to System.Windows.Forms. In addition no. of new Namespaces like Microsoft.CSharp, Microsoft.JScript, Microsoft.Vsa etc...
  • .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.
  • Exception HandlingJul 21, 2001. Exceptions in C# provide a structured, and type-safe way of handling both system level and application level error conditions. The exception mechanism in C# is very similar to that of C++, with a few important differences.
  • Eater Game in C#Jul 31, 2001. This is a simple game written in C# in which the user moves a packman like player around the form and gobbles up red dots. The object is to get all the dots in as quick a time as you can.
  • Compute Feature of DataTableAug 01, 2001. The following code is for implementing least known feature of DataTable Compute() method.
  • Text Reader and Text Writer in C#Aug 03, 2001. A detailed tutorial and C# types such as Value and Reference types with sample examples.
  • strnicmp equivalent in C#Aug 07, 2001. C# equivalent strnicmp function in C language. It accepts two input strings along with the number of positions of chars to compare.
  • NumberBox ASP.NET ControlAug 08, 2001. The NumberBox control is an ASP.NET control, which lets the user only input numerical values.
  • Run-Time Menus in C#Aug 20, 2001. The following example demonstrates how to create menus on the fly.
  • Boxing and Unboxing in C#Aug 20, 2001. Boxing and unboxing is a essential concept in C#'s type system. With Boxing and unboxing one can link between value-types and reference-types by allowing any value of a value-type to be converted to and from type object.
  • Super String in C#Aug 20, 2001. Today I realized that I miss those Visual Basic/Visual C++ type operators. You know the ones: Left, Mid, Right.
  • Easter CalculatorAug 22, 2001. This program calculates the dates for Easter for any given year and for an hundred years.
  • 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.
  • 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.
  • Live News feed For Mobile SiteSep 05, 2001. Current News are read from a text file, which is being updated regularly after certain interval time.
  • How to By Pass ProxySep 10, 2001. There are many like me who are behind the Proxy and many time you are not able to use the recent Data in your Program from Web as your are not able to retrieve that data because of Proxy coming in between.
  • Is there any need to Boxing and UnboxingSep 21, 2001. With Boxing and unboxing one can link between value-types and reference-types by allowing any value of a value-type to be converted to and from type object. Boxing and unboxing enables a unified view of the type system wherein a value of any type can ultimately be treated as an object.
  • IComparable: Under the HoodSep 21, 2001. We now calling Array.Sort() on C# Types such as int, char, string will automatically do sorting based on that type.
  • Real Time ApplicationOct 02, 2001. The Real time Application is a sample that shows the communication techniques between a client (TcpClient) and a server (TcpServer) application using Socket class on each side. The project also demonstrates how to using listview control in the real time project.
  • Encapsulation in C#Oct 12, 2001. In Object Oriented programming Encapsulation is the first pace. Encapsulation is the procedure of covering up of data and functions into a single unit (called class).
  • Exception Handling in C#Oct 17, 2001. Exception handling is a builtin mechanism in .NET framework to detect and handle run time errors.
  • Understanding Structures in C#Oct 23, 2001. A structure in C# is simply a composite data type consisting of a number elements of other types.
  • Pointers in C#Oct 25, 2001. C# also supports pointers in a limited extent. A pointer is nothing but a variable that holds the memory address of another type. But in C# pointer can only be declared to hold the memory address of value types and arrays.
  • Enumerators in C#Oct 25, 2001. An enumeration (enum) is a special form of value type, which inherits from System.Enum and supplies alternate names for the values of an underlying primitive type.
  • Exploring delegates in C#Oct 30, 2001. Delegates are a kind of type safe function pointers which are actually declared as class derived from System.MulticastDelegate.
  • Introduction to Pocket PCOct 31, 2001. At the time of writing (Oct 2001) Microsoft has shipped Pocket PC 2002 and also has just released the Visual Studio .NET add-on for Pocket PC called the compact framework.
  • BitWise Operations in C#Nov 01, 2001. C# has lots of flexibility over manipulating with bits. Before I start explaining about bit wise manipulation I would like to give some inputs on binary operations.
  • Implementing Stacks in C#Nov 06, 2001. With the help of C# we can also implement ADT (Abstract Data Types) with little effort. An example of ADT is a simple stack of integers.
  • FlashCards Language Program : How to read and save Images in a Sql Server Database using ADO.NETNov 09, 2001. I thought it would be fun to write a simple program that displayed flashcards from a database and at the same time, show you how to read and write images to the database. This program is a simple flashcard program that talks to a single table in a Sql Server Database.
  • Network Programming in C# - Part 2Nov 12, 2001. This is the second part of the series of articles about the network programming with C#.
  • Exceptions and Exception StackNov 16, 2001. The purpose of this tutorial is to explain firstly how you would go about creating your own set of exceptions to trap error conditions that could occur in your code or library, for your own benefit or for the benefit of another developer using your library. The second lesson is on how the C# exception stack works, and how you can use it to catch all types of exceptions.
  • 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.
  • Developing a Record Navigation Form with Unbound ControlsDec 26, 2001. Developing a record navigation form with unbound controls. The form enables you to navigate through the records one at a time. In this application we have used a combo box, two text boxes and various command buttons.
  • Working With Data TypesJan 02, 2002. Explains data types in C# and how to work with them.
  • C# and .NETJan 07, 2002. It is sometimes important to know the details of what the compiler does. You may want to know whether constants are evaluated at compile time, or whether constant strings are folded at compile time.
  • Interrogating Systems with WMIJan 18, 2002. WMI allows you to retrieve information such as hardware types, software installed and much much more.
  • Interrogating System with WMI - Part 2Jan 24, 2002. After my last article on WMI it was time to get serious. WMI or Windows Management Instrumentation is useful on a local machine to produce a WINMSD type program but using it across a network makes it even more useful.
  • Creational Pattern - Abstract FactoryFeb 11, 2002. An abstract factory provides an interface for creating families of related objects without specifying their concrete classes. Sometimes one wants to construct an instance of one of a suite of classes, deciding between the classes at the time of instantiation.
  • World Clock Using Windows FormsFeb 11, 2002. I developed a C# application for finding World Timings given the US Central Timing.
  • FlashCards Language Program : How to read and save Images in a Sql Server Database using ADO.NETFeb 19, 2002. I thought it would be fun to write a simple program that displayed flashcards from a database and at the same time, show you how to read and write images to the database. This program is a simple flashcard program that talks to a single table in a Sql Server Database.
  • Creational Pattern - BuilderFeb 19, 2002. The Builder pattern allows a client object to construct a complex object by specifying only its type and content. The client is shielded from the details of the objects construction.
  • XML Web Services Type MarshalingFeb 20, 2002. This article illustrates that various data types can be passed to and returned from Web Service methods.
  • SOAP Message with Binary AttachmentsFeb 28, 2002. Recently Microsoft announced new format called DIME: Sending Binary Data with Your SOAP Messages.
  • Multi-threaded Web Applications - Case II: Port ScannerMar 12, 2002. This article continues the 4-parts series of Multi-threaded Web Applications. In the first part, I have demonstrated how you can use multi-threading with ASP.NET to make a web based search engine more responsive, and to reduce the time required to compose the result. In this article, I will demonstrate how you can apply the same technique to a web based port scanner.
  • The Making of PongMar 12, 2002. The purpose of making this classic game was to show simple game structures in C#. Concepts include the "Game Loop", "Input" and "Paint. If you are just beginning in game programming, C# is turning out to be a great place to start.
  • Boxing and Performance of CollectionsMar 14, 2002. In this article, I will compare some performance issues of values and references types during boxing and unboxing operations.
  • ASP.NET Naughts and CrossesMar 22, 2002. This article demonstrates the basic techniques used to build "ASP.net Noughts & Crosses" (tic tac toe to our American friends).
  • Prototype PatternMar 22, 2002. The Prototype pattern is used when creating an instance of a class is very time-consuming or complex in some way.
  • Real-time Message Logging Utility - Part 1Apr 01, 2002. A message logger is a utility that helps in logging the messages thrown from functions/programs. It is useful in critical applications as it helps to know the time taken by a function to execute, the time that the function remained idle and any messages that the function wants to be logged for further analysis.
  • Multithreading Part 3: Thread SynchronizationApr 11, 2002. The .NET framework provides a number of classes and data types that you can use to control the access to shared resources. Thread synchronization refers to the act of shielding against multithreading issues such as data- races, deadlocks and starvation.
  • Tracking Time in a Window ApplicationApr 15, 2002. The program reads from an XML file to get the data about names and birth dates, so it is easy to add or remove names without changing the code in case my son decides the program should include his pet dog or turtle.
  • Performance Comparison of XslTransform InputsMay 02, 2002. To transform XML into HTML for use on a Web site or to transform it into a document that contains only the fields required you could use the XSLTransform class (found in the System.Xml.Xsl namespace).
  • Performance Comparison of XslTransform InputsMay 02, 2002. To transform XML into HTML for use on a Web site or to transform it into a document that contains only the fields required you could use the XSLTransform class (found in the System.Xml.Xsl namespace).
  • C# Corner Logo: 3D GDI+ EffectMay 10, 2002. "It's time to redesign the logo. Let's do some 3D work here". That's what Owen said an hour ago. And after that he drew a 3D C# logo on the board.
  • Mastermind Game with Drag and Drop FunctionalityMay 15, 2002. There as nice article some time ago on this site for creating mastermind game by Mike Gold. I am rewriting complete game from scratch to implement Drag and Drop feature and presentable User interface.
  • 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.
  • Assembly Browser: Browsing a .NET AssemblyMay 17, 2002. This program lets you browse an assembly and lists the methods and the parameter name and parameter type for each assembly.
  • Display and Hiding SIP on a Pocket PCMay 21, 2002. When you get your hands on a Pocket PC for the first time you have to wonder just how the heck do you enter information?
  • 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.
  • Save and Restore Setings of a .NET Form using XMLMay 28, 2002. Even though there are advantages to writing to the registry, there are times when a programmer does not want to impact anything outside of the directory where the program resides.
  • Comparison of C# with Java: A Developer PerspectiveMay 29, 2002. The .NET is a language and operating system (on Windows as of now) independent platform pretty similar to Java.
  • Determining Windows Users for Web Forms ApplicationsMay 30, 2002. In this example we will see how to determine the identity of the logged in user for an ASP.Net Web Forms using Windows Authentication.
  • Configuring Applications in .NETJun 06, 2002. The .Net Framework provides a very convenient and flexible way to configure applications at run time.
  • Communication Between Two Forms: Part-IIJun 24, 2002. Last time I wrote about the possibility of sending a string from a textbox in one form to another.
  • 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 Single Event Handler for Multiple ControlsJul 22, 2002. Writing a Single Event Handler for Multiple Controls by Giuseppe Russo. Jul 22, 2002. I have noticed that in many articles, I read, people use a longer method of clearing many textboxes, as well as handling more than one control at the same time.
  • Using Visual Studio .NET to Build and Deploy ApplicationsJul 29, 2002. No matter how much time you spend designing your application there is one key stage where it can all fall apart, the build and deployment stage.This is a first in a series of articles in which I am going to demonstrate how to use Visual Studio .NET.
  • 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.
  • 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.
  • Implementing Search in a DataList Web Forms ControlAug 07, 2002. Searching for the data and displaying the result in paging on the site it is important functionality for the web type applications.

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