C# Corner

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  • I'm having trouble implementing IObjectSafety. IE keeps telling me that my controls isn't safe. Why?Aug 15, 2000. This article explains about how to implement the IObjectSafety. ATL's IObjectSafetyImpl class appears to have a few bugs in it. The code below works great.
  • My First C# ProgramSep 29, 2000. This article explains how to create your first C# program.
  • 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.
  • Creating a Class and Call it from Main ProgramSep 30, 2000. This article explains how to create your class, add some functions and call it from Main function.
  • Feature I LikeOct 04, 2000. This article explains how easy to create a component using C#.
  • How to read a value from Console?Oct 07, 2000. This article explains how to get the input from the console using ReadLine.
  • 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.
  • Write data to an access database using SQL Query and ADO.NETDec 06, 2000. See how to use SQL Statements to write data to an access database.
  • 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.
  • ADO.NET Database ExplorerJan 20, 2001. The sample connects to the SQL server database and shows you a tree view like interface of all the tables.
  • Database Explorer : Part 2Jan 22, 2001. Attached is a C# program which is a enhanced version of the previous article on ADO.NET.
  • Handling Mouse Events in C#Jan 25, 2001. This article explains how to handle mouse events in C# or VB. In C#, you write a delegate and then write an event handler.
  • Database Explorer-IVJan 25, 2001. This is version IV of the Database Explorer, which include the support for Access Database with SQL Server.
  • Timer in C#Jan 26, 2001. An article with sample project explains how to work with the Timer control in C# and .NET to write to a text file after few seconds.
  • Working with GDI+ Brushes Jan 30, 2001. This tutorial explains how to work with texture, solid, gradient, and hatch brushes.
  • Tutorial: Working with Toolbars in C#Jan 30, 2001. This tutorial explains you how to add toolbars to a form, load images to the toolbar buttons, and writing event handlers for toolbar buttons.
  • SQL Programming using .NETFeb 01, 2001. This program shows several data objects, some draw backs of each and some interesting things.
  • Developing 3-Tier Applications in C# and .NETFeb 04, 2001. The attached sample code explains for beginners, how to Code for a 3-Tier Architecture.
  • Boxing and UnboxingFeb 21, 2001. Boxing and Unboxing are fairly new terms introduced in C#. Author explains some concept of them.
  • Effective C#: Working with StringsMar 12, 2001. Using string might degrade the performance of your application. This article explains about what precautions you should take when you are going to use strings in your application.
  • View Relational Data in a DataGridMar 15, 2001. This article explains you how easy is reading a database and displaying in a grid using DataSet.
  • 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.
  • Developing Web Applications in VS.NET Mar 29, 2001. This tutorial describes about Step-by-step tutorial guides you towards developing your first web application.
  • 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.
  • Line numbering utility in C# and JavaMay 08, 2001. After reading this article Java programmers should be able to decipher and de-jargonize the .NET architecture and relate it with the proposed ECMA standard.
  • .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).
  • Word Pad in C#May 11, 2001. This application explores the Rich Text control in C#,its properties and methods. Explains the usage of common dialog boxes File open, File save and Font dialog box.
  • Working With OleDb Data Adapters Jun 19, 2001. This step by step tutorial guides you to create your database applications using OleDb Data Adapters in VS.NET.
  • 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.
  • Working with OleDb Data AdaptersJun 20, 2001. This step by step article guides you to create your database applications using OleDb Data Adapters in VS.NET.
  • 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.
  • Resurrection and the .NET Garbage collectorJul 13, 2001. This article will explain and demonstrate a phenomenon that is unusual in the .NET implementation of the garbage collector. The phenomenon is known as resurrection. As the name suggests, an object is marked for destruction and in the last possible moment it is resurrected from the ‘dead’ and reactivated.
  • Mobile with Access DatabaseJul 14, 2001. Till now we had done the Programming using SQL Server and XML as Database.
  • Developing Windows Applications Jul 23, 2001. This tutorial explains you step by step how to create your Windows Applications using Visual C#.
  • Difference Using Directive and StatementJul 26, 2001. This article explains difference between using directive and using statement with sample example.
  • Generating XML from SQL databaseJul 30, 2001. Some Days Back i posted the article dealing XML as a Middle tier but i guess the People didn't get the clear funda.
  • Mobile Device CapabilitiesAug 01, 2001. This article explains about mobile devices and their capabilities.
  • Providing Style on Mobile PagesAug 03, 2001. This articles explains how to provides style in the mobile pages using Mobile Internet Toolkit.
  • Programming Mobile Forms : PalindromeAug 06, 2001. In this sample, the author explains how to write the palindrome for mobile FORMS.
  • Basic Database Operations in ADO.NETAug 08, 2001. This Article will show the basic database transactions select, insert update and delete.
  • Simplest way to Create and Deploy Web ServicesAug 20, 2001. This article explains how to create and deploy a simple Web Service.
  • Web Services Between .NET, Java, and MS SOAP toolkitAug 24, 2001. This article will try to explain the how you can build web services and/or clients with any of the three languages: .NET, MS SOAP Toolkit and Java. But the real point of the article is to show you how you can build clients for web services from any of above-mentioned languages.
  • 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.
  • 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.
  • Mouse and Key EventsSep 11, 2001. This article explains the usage of key and mouse events. The following code shows you how you can read mouse position on mouse move.
  • Windows Forms Without VS .NETSep 12, 2001. This article explains how to write windows forms application without using Visual Studio .NET IDE.
  • User Control and ReusabilitySep 28, 2001. This article explain, how to create a user control for ASP.NET.
  • Transactions in ASP.NETOct 01, 2001. This article explain, how to process a transaction within ASP.Net web forms. 
  • Creating your own Web Server using C#Oct 15, 2001. This article explains how to write a simple web server application using C#.
  • Creating your own Web Server using C#Oct 15, 2001. This article explains how to write a simple web server application using C#.
  • Extended Euclidean AlgorithmOct 31, 2001. Author explains how to implement Extended Euclidean Algorithm in C#.
  • 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.
  • Adding a Control to a form ProgrammaticallyNov 09, 2001. In this article I explain how to Add a control to a form programmatically.
  • 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.
  • 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.
  • Monitoring File System using FileSystemWatcher Class - Part 1Nov 27, 2001. In this article, I am explaining you how to use FileSystemWatcher class. In part 2, a sample application, which helps you to monitor a specified directory.
  • 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.
  • Building a 3-Tier Application Using ASP.NetDec 17, 2001. This article explains 3-Tier Architecture and the implementation in an ASP.NET example.
  • Data Transfer from SQL Server to ExcelDec 26, 2001. In this application, we will see how we can transfer data from Microsoft SQL Server into Excel spreadsheet.
  • Prototype Patterns in C#Dec 26, 2001. The PROTOTYPE PATTERN comes under the classification of Creational Patterns. The creational patterns deals with the best way to create objects. This helps to copy or clone the existing objects to create new ones rather than creating from the scratch.
  • Working With Data TypesJan 02, 2002. Explains data types in C# and how to work with them.
  • Using MS Agent in C# - Part-II(Speech Recognition)Jan 05, 2002. This article explains how to use MS Agent to write speech recognition applications using C# and. NET.
  • SharpHSQL - An SQL engine written in C#Jan 08, 2002. .NET! C#! If you haven't been inundated with the marketing of Microsoft's new initiatives, you've been living in your cube without a web connection for quite a while. Like a lot of developers, I had installed the .NET SDK and the Beta 1 of Visual Studio .NET and played with it. However, since its release was so far out in the future and I had deadlines to meet, I soon went back to working with the things my customers needed now.
  • Using MS Agent in C#-Part-I(Text To Speech)Jan 15, 2002. This article explains how to use MS Agent to write text-to-speech applications using C# and .NET.
  • Developing MDI Applications in C#Jan 16, 2002. In this article, I'll explain how to write MDI applications using C# and Windows Forms.
  • Bridge Patterns in C# Jan 17, 2002. Bridge Pattern is commonly known as Handle/Body idiom in C++ community. This pattern is used for decoupling an abstraction from its implementation so that the two can vary independently.
  • Using ListBox Web ControlJan 21, 2002. This article explains the ListBox Web Forms control properties and methods and how to use it.
  • Composite Patterns in C#Jan 23, 2002. A Composite is a tree structure consisting of individual objects mixed with compositions of objects, that is, objects that have other objects as their children.
  • .NET Framework and Web Services - Part 3Jan 31, 2002. Here I am going to explain Web methods and how to write Web methods in C# and VB.NET.
  • 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.
  • Data Access through Web Services, Stored Procedures and SQL QueriesFeb 12, 2002. Web Services has been the most revolutionary aspect of the .NET framework developed by Microsoft. This article presents the three different modes through which data can be accessed viz. through Web services, stored procedures and SQL query using the power of ADO.NET and XML.
  • C#RIS : Tetris Game in C#Feb 14, 2002. I have written a Tetris clone that demonstrates how to use off-screen graphics buffering for smooth animation and utilizes a multi-dimensional array approach to designing a game grid. The classes are largely self-explanatory and the techniques are documented in code well enough to explain what is going on.
  • N-Tier Development with Microsoft .NET : Part IFeb 15, 2002. The purpose of this article is to examine a proof of concept on an architecture that follows the DNA pattern on concept only.
  • 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.
  • A Database Web ServiceFeb 22, 2002. This program is a Web service, which contains Web methods that return a dataset after querying a database (any database) given the connection string, the password, the database, the table, the user ID and the SQL commands.
  • Create a SQL Server Database dynamically in C#Mar 05, 2002. In this article, I’ll show you how to create a new SQL Server database and its objects such as table, stored procedures, views and add and view data. I’ll also show you how to change database table schema programmatically. You’ll see how SQL statement ALTER TABLE is useful when you need to change a database table schema programmatically.
  • Publication Application Developed in C#Mar 07, 2002. This program retrieves publishers, title and author information from the SQL Server "pubs" Database.
  • Reflecting Data to .NET Classes: Part IIMar 08, 2002. This article continue the series of "Reflecting Data to .NET Classes". In the first article, we discussed the concept “Reflecting Data”. The techniques behind it were also explained and demonstrated. The source of data demonstrated in this article will be XML documents.
  • Creating a SQL Server Database Programmatically using SQLDMOMar 12, 2002. The attached source code creates a SQL Server database programmatically using SQLDMO.
  • SQL Server Database ExplorerMar 20, 2002. This application connects to a running SQL Server 2000 and displays all the available databases in it.
  • Owner Draw Menus in C#Apr 03, 2002. This article will explain to you how we can draw our own menu items with our own fonts , pictures , background color and other graphics objects.
  • 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.
  • Web Services: Basics and Beyond Part 3Apr 30, 2002. This article series shall attempt an explanation that will go beyond the basics of web services.
  • Using Microsoft Agent with C#May 04, 2002. This article explains how to include MS Agent into an simple Windows Form based application using C#.
  • 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.
  • Key Logger Application in C#Jun 30, 2002. In this article, I'll explain an easy but an important concept of how to catch user pressed keys and write them into a log file.
  • 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 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.
  • Sharp HSQL- An SQL Engine Written in C#Aug 01, 2002. .NET! C#! If you haven't been inundated with the marketing of Microsoft's new initiatives, you've been living in your cube without a web connection for quite a while.
  • 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.
  • Implementing Inheritance in C#Sep 05, 2002. Inheritance is one of the most important characteristic of OOP. In this article, I will explain how to implement the inheritance in C# by explaining through an example.
  • Sealed Class in C#Sep 23, 2002. This article explains how to create and use a sealed class using C#. We will also review why programming gurus use sealed classes in their code and products.
  • Using SQL in .NET: Part 1Oct 04, 2002. In this article, I will show you how to execute SQL queries from your C# applications.
  • OpenGL BasicsOct 09, 2002. In this article I want to explain couple of more things. First of all, I would like to cover the OpenGL Coordinate System.
  • 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.
  • ADO.NET, COBOL and Stored ProcedureDec 13, 2002. A stored procedure is basically a series of SQL statements that reside on the database. The procedure could create a new table, retrieve data from one or more tables, update one or more tables or perform many other tasks.
  • Concurrency Control in ADO.NET using Threads and MonitorsDec 31, 2002. The concurrency controls system refers to the lowest level in architecture of a DBMS. It is relative to the input/output operations, which carry out the transfer of blocks from the secondary memory to the main memory and vice versa.
  • Using Stored Procedures in Conjuction with DataAdapterJan 09, 2003. A stored procedure is a named collection of SQL statements that are stored in the database. To the client a stored procedure acts similar to a function.
  • From DAO to ADO.NETJan 14, 2003. This article will briefly discuss and show a summary of the evolution of the Microsoft ActiveX Data Objects, it will also explain some database concepts and finally provide some code examples.

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