C# Corner

Resources  
  • Tutorial: Creating C# Class Library (DLL) Using Visual Studio .NETDec 09, 2000. This step-by-step tutorial shows you how to create a class library (DLL) in Visual Studio .NET.
  • Creating C# Class Library (DLL) Using Visual Studio .NETDec 09, 2000. This tutorial explains how to create a C# class library(dll) and call it from a C# console client application.
  • Reading and Wtiting XML DocumentsJan 16, 2001. In this article you will see how to read and write XML documents using XML API available in .NET Framework class library.
  • Schedule Program Using C#Feb 22, 2001. The Scheduling program consists of three main classes. The Form, the DatabaseController used to read and write scheduled events into the database and RowData which corresponds to data extracted from a row in the database.
  • 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 Microsoft Message Queues to build Scalable SolutionsApr 12, 2001. This tutorial shows you how to create, send, and received messages using MSMQ from the .NET base class library (System.Messaging) and C#.
  • 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.
  • Using .NET Framework Multithreading and GDI+ to Enrich the user experienceMay 04, 2001. This tutorial shows you how to create, send, and received messages using MSMQ from the .NET base class library (System.Messaging) and C#.
  • 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.
  • Data Structure Sample ExampleJun 04, 2001. Source code for Data Structure implemetation of Stack, Queue, Doubly linked list and more..
  • Creating Dynamic Web Quizzes using C# and ASP.NETAug 15, 2001. This article describes how to create a web quiz from the information in a database.
  • 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.
  • 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.
  • 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.
  • 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.
  • Using Interfaces in .NET RemotingNov 30, 2001. In this article, we will create a remote object that will return rows from a database table. For the sake of simplicity I have used the NorthWind database that is packed with the installation of the Microsoft SQL Server.
  • Using ADO RecordSet in ADO.NETDec 10, 2001. Using ADO recordset in managed code using ADO.NET data providers is pretty simple. Visual studio .NET provides you to add reference to the COM libraries. In this article I'll show you how to access data using ADO recordset and fill a ADO.NET data provider from the recordset data.
  • xBase Engine for C# and VB.NETFeb 25, 2002. This library is written to handle DBF files from C# or VB.NET applications.
  • .NET Remoting: The Interface ApproachMar 26, 2002. In this article, we will create a remote object, and access this object using the Interface. The object returns rows from a database table.
  • .NET Remoting: The Interface ApproachMar 26, 2002. .NET Remoting provides a powerful and high performance way of working with remote objects. Architecturally, .NET Remote objects are a perfect fit for accessing resources across the network without the overhead posed by SOAP based Web services. .NET Remoting is easier to use than Java's RMI, but definitely more difficult than creating a WebService. In this article, we will create a remote object, and access this object using the Interface.
  • Tutorial: Working with Files and DirectoriesApr 03, 2002. One of the rich experiences in working with .NET is a huge collection of Base Class Libraries .
  • Exocortex.DSP - A C# Complex Number and FFT LibraryApr 08, 2002. Shows how to convert an image from a spatial representation (i.e. picture on the left) to a frequency representation (picture on the right) using a 2D fast Fourier transform.
  • ExoEngine - A C# OpenGL 3D EngineApr 12, 2002. For my fourth year computer graphics course I wrote a little 3D engine using C# and the .NET platform.
  • MP3 JukeBoxApr 30, 2002. This is stable code and more generic than the first release. It has better error handling now to make it more 'idiot proof'.
  • Utilizing Assembly Information for Your Automated Splash DialogJun 05, 2002. There are cases when you need to reuse the same splash screen or about box in many applications.
  • Developing a Windows Control Library - Digital ClockJul 08, 2002. A Windows control library is similar to an Active X Control that you have been developing using VC++.
  • Why Object Orientation for COBOL?Jul 08, 2002. Why is Microsoft interested in having so many languages target the new environment?
  • 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.
  • Mastermind Computer Player using Genetic Algorithms in C#Jul 22, 2002. After writing the Genetic Algorithm Article for implementing a Genetic Algorithm in C#, I tried to think of a good example of how to illustrate a real-world use of Genetic Algorithms to illustrate artificial intelligence.
  • dotMSN: .NET Messenger LibraryJul 25, 2002. dotMSN is a class library to make use of the MSN Messenger Service. The library is built in C# and can therefore be used by all languages the .NET environment supports.
  • 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.
  • An SNMP Library for .NET FrameworkSep 10, 2002. Snmp.dll is a C# class library for the .NET framework. It has been developed on the Windows platform and may be useful on others also.
  • 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.
  • Understanding and Using the LinkLabel ControlOct 07, 2002. In this article, I will discuss some functionality related to the LinkLabel control and how to use it.
  • Using Dynamic Properties in Windows FormsOct 18, 2002. Using Dynamic Properties in Windows Forms by Dipal Choksi. Oct 18, 2002. In this article we will see how to dynamically configure properties in Windows Applications using Visual Studio.Net.
  • Platform Invocation Services in .NET FrameworkOct 25, 2002. This article will cover the details of Platform Invocation Services provided in .Net Framework. Platform Invoke Services acts as a bridge between the managed and unmanaged code. This service enables managed code to call unmanaged functions which are being exposed by any dynamic link libraries (DLL’s) such as Win32 API’s or any custom DLLs.
  • Daleks in .NETDec 11, 2002. The other night my girlfriend dragged me down to the NYC Public Library claiming that they had a huge Science Fiction movie section. Admittedly my taste in movies and my wife's taste in movies can vary slightly, however, I was willing to take a chance, given that rentals at the library are free as opposed to $4 at the local video store.
  • .NET Flat Control LibraryDec 16, 2002. The attached source code contains a library contains basic flat controls.
  • Dynamic Code Generation and Code CompilationDec 16, 2002. This is a simple application for generating the code dynamically and compiling it dynamically.
  • Cryptography in Microsoft.NET Part II: Digital Envelop and Digital SignaturesDec 18, 2002. Part-I of this article covered cryptography in the context of encryption. This part continues from where part-I left. It assumes that the reader understands the purpose of encryption, knows about the two types of encryption namely asymmetric encryption and symmetric encryption and the fundamental differences between them. It also assumes that the reader understands encryption-decryption classes in System.Security.Cryptography namespace and the stream based encryption model in. NET framework class library (FCL).
  • Cryptography in Microsoft.NET Part III: Digital CertificatesJan 08, 2003. Part-I and II of this article discussed the basics of cryptography and its applications in real world enterprise solutions. Part-I discussed the nitty-gritty of encryption and its implementation in Microsoft .NET Framework Class Library (FCL). Part-II discussed the hashing and signature algorithms and their implementation in FCL. It also discussed the two common cryptography applications namely digital envelope & digital signature.
  • Using Cards.dll in a Windows Control LibraryJan 16, 2003. This project aims at designing a windows control library that encapsulates a playing card.
  • Telnet Scripting in C#Jan 28, 2003. This library, written in C#, expands on some telnet code from various other sources, presenting the caller with a number of functions handy for scripting telnet sessions (i.e. SendMessage, SendAndWait, WaitAndSend, WaitFor).
  • SQL Demo Login in C#Feb 23, 2003. This sample code contains a reusable control that allows you to build a dialog box that queries for SQL-Server connection parameters.
  • Mask Edit ControlMar 05, 2003. This control is a attempt to emulate the Marked Edit control available in VB 6.0. MaskEdit control extends the TextBox System.Windows.Forms.TextBox control available in Microsoft .NET library.
  • Link Fetcher ServiceMar 06, 2003. In this article we will learn how to create a Web Service that fetches all the links from a given URL.
  • 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.
  • Iterations and Performance in .NETApr 15, 2003. I’ve been implementing numerical libraries in .NET and have come to some conclusions about iteration performance.
  • FTP Client Library for C#Apr 26, 2003. Finding a fully working, lightweight FTP Client that had no GUI, was free, and came with source was difficult.
  • 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.
  • Using Linked List in C#Jun 25, 2003. What we going to make is a linked list. Yeah I know there is a class which does the same as a linked list called ArrayList, but we (as a diehard C# programmer) want absolute control and knowledge of what we use.
  • Boxing and Unboxing of Value Types : What You Need to Know?Jul 21, 2003. Programmers new to C# can encounter less than ideal performance and even unexpected results due to boxing and unboxing of value types.
  • 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.
  • Gathering a Web Site Users Information in ASP.NETAug 26, 2003. In this article, I will show you how you can collect information about your site visitors using ASP.NET classes.
  • POP3 LibraryAug 29, 2003. This application is written in C# and is multithreaded, the allows the client application to invoke the POP3 library and get the messages, the status and the results of the POP3 events are passed back to the client application using the C# delegates.
  • StatusBars in Real ApplicationsSep 05, 2003. In this article we will investigate the StatusBar control of .NET Framework library.
  • 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.
  • Using the .NET compact FrameworkOct 01, 2003. In this article, we will see how to write a simple .NET Compact Framework application and deploy it onto a device. This article provides a step-by-step instruction on how to write the 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.
  • Dynamic Data Grid for Windows Forms Sizing RoutineNov 11, 2003. This article and the attached source code project is called GridLayoutHelper and it allow you to size a Windows Forms DataGrid much like you can an ASP.NET DataGrid.
  • Office11 Solution using .NET - A White PaperNov 25, 2003. This detailed white paper contains the information about Office 11 support for Microsoft .NET. It also explains Office 11 object model and how to access Word and Excel documents using Visual Studio .NET.
  • DNS Client in C#Dec 22, 2003. The attached source project contains the library and source code for DNS client application. This client supports A, MX, and PTR records.
  • Deployment: Customizing your .NET deployment ProjectsDec 29, 2003. The fact of the matter is that Visual Studio.NET already contains everything you need to create a rich setup experience for your users. In this article we are going to show you two ways to add a readme dialog to your application, the easy way and the hard way. The easy way requires absolutely no coding. The hard way requires coding and actually allows you to add complex custom features to your application.
  • SOAP, .NET, and COM an Introduction - Part IIFeb 02, 2004. This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
  • SOAP, .NET, and COM - An Introduction: Part IFeb 02, 2004. This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
  • SOAP, .NET, and COM an Introduction - Part IIIFeb 02, 2004. This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
  • DataTable in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • Data Binding in DataGrid Control using C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataSet in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataAdapter in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataView in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataReader in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataTable Events in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • Constructing a DataTable using C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • XML TransformationsMar 15, 2004. This article shows you how to use XML transformation classes defined in the .NET Framework class library to transform XML data into various user interfaces.
  • Tablet PC - Frequently Asked QuestionsApr 01, 2004. This article answers some of the frequently asked questions related to Tablet PC and Tablet PC application development.
  • Text Transformation using GDI+ and C#Apr 27, 2004. This article shows you how to use GDI+ classes defined in the .NET Framework class library to apply transformations on text.
  • Dynamic SQL Server Database Creation in .NETMay 03, 2004. This article explains step by step dynamic creation of a SQL Server database, tables and stored procedure using Visual Studio codename Whidbey and VB.NET.
  • 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.
  • Dynamic Database Creation - 2May 06, 2004. This article explains how we can display data using Dataset and DataGrid control after the database is created.
  • Remote Data Access LayerAug 24, 2004. The attached source project is a data access layer library and the main idea of developing such a DAL is to separate the database execution from the client/end user and maintain it on the server side, there by reducing the number of direct simultaneous connection to the SQL Server.
  • 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.
  • Generating Random Number and String in C#Nov 19, 2004. The Random class defined in the .NET Framework class library provides functionality to generate random numbers. This article shows you how you can use this class to generate random numbers and strings and even combination of both.
  • ClickMania GameDec 21, 2004. This is an old game, first implemented in 1996 or so... It has a great addictive power. You will quickly find out the rules. I used the winmm.dll library for playing sounds, the picturebox.Paint event to draw bitmaps in a Picturebox and a recursive function to check the balls next to each other for the colors.
  • 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.
  • Enterprise Library 1.0Apr 02, 2005. Enterprise Library is a set of tested, reusable application blocks that address common problems developers face when developing enterprise-based applications.
  • Simple XML Parser in C#Apr 05, 2005. This article shows how to create a very simple XML parser.
  • Mapping Microsoft Excel columns with XML data (XML data integration) programmatically using a .Net Application.Apr 21, 2005. Using this program you can map Excel columns programmatically and generate an XML file containing the cell values that you had in your Excel document. After generating the XML file we can read it into a dataset.
  • Dynamically Creating Applications Using System.CodeDomMay 21, 2005. The article provides an insight on how to create and compile assemblies dynamically.
  • 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.
  • 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.
  • Microsoft patterns & practices: The Enterprise LibraryJul 06, 2005. Microsoft patterns & practices provide scenario-specific recommendations illustrating how to design, develop, deploy, and operate architecturally sound applications for the Microsoft .NET platform.The following article covers details on the Data Access Application Block.
  • Creating a Dynamic Configuration Dialog in C# and .NETJul 10, 2005. This article will show you how to create a configuration dialog that builds itself from the existing application configuration name-value pairs contained in the appSettings of the app.config file.
  • Microsoft patterns & practices: The Enterprise LibraryJul 12, 2005. Microsoft patterns & practices provide scenario-specific recommendations illustrating how to design, develop, deploy, and operate architecturally sound applications for the Microsoft .NET platform.The following article covers details on the Data Access Application Block.
  • Enterprise Library Caching Application BlockJul 12, 2005. Microsoft patterns & practices provide scenario-specific recommendations illustrating how to design, develop, deploy, and operate architecturally sound applications for the Microsoft .NET platform. The following article covers details on the Caching Application Block.
  • Configuring and Invoking Dynamic Delegate using ReflectionJul 26, 2005. The attached source code projects shows how to configure and invoke dynamic delegates using Reflection.
  • Understanding ADO.Net Provider Factory in .Net 2.0Aug 08, 2005. This article describes the ADO.NET Provider Factory in .NET 2.0

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