C# Corner

Resources  
  • Read Microsoft Access Database in C#Jan 01, 2000. How to connect and read data from a Microsoft Access (.mdb) database using ADO.NET and C#.
  • Generate Unique Number in C#Jan 09, 2000. Generate a unique number using random class and display it on the console.
  • FileDownloader : Download files using HTTPJan 10, 2000. This application contains a Form and a Class module . From Form we create a thread which execute the procedure to handle the NET download. This application can be enhance to do more down load as in Download manager by creating more threads.
  • Binary Search Using ArrayList Jan 10, 2000. The ArrayList class provide binary search algorithm and more...
  • A Graphics Component in C#Jan 15, 2000. In this example we have an XYGraph Component and a form that uses it.
  • ProgressBar in C#Feb 22, 2000. You need progress bars to display the progress of your application or background tasks.
  • Creating and Using Custom Attributes in C#Feb 27, 2000. Attributes are classes that allow you to add additional information to elements of your class structure.
  • Meal Scheduler in C#May 04, 2000. In this application once you enter your meal timings. A message box will appear on the screen while you are working and remember you about your meal with light sound.
  • 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.
  • 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.
  • 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.
  • A Simple Calculator ClassNov 28, 2000. Code sample shows how to create a simple calculator class and call it from Main C# program.
  • Get IP Address of a HostDec 03, 2000. The .Net DNS class can be used to get a host name or an IP of a given host name. To use DNS class in your project, you need to include System.Net
  • CSDownloadURL : Download Contents of a Web PageDec 03, 2000. CSDownloadURL is a class which has two functions - SetURL and DownloadURL. The set URL sets the current URL and GetDownload downloads the URL contents and returns its contents in a string.
  • Creating an Empty Project using VS.NETDec 04, 2000. This tutorial guides you towards your first C# Empty project step by step. After that I'll show you how to add a class to the project and few members to the class and call this class members from the main method.
  • 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.
  • 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.
  • FileStream : Read or Write Data StreamsDec 13, 2000. FileStream class can be used to read/write data to a file with the help of StreamReader and StreamWriter classes.
  • Browse or Open a FileDec 15, 2000. This sample code show you how to use OpenFileDialog class to open or browse a file.
  • Adding Menu Support to a Windows FormDec 18, 2000. This sample code shows you how to use the MainMenu and MenuItem classes to add a menu and click handler for a Windows Form.
  • ColorDialog : How to use?Dec 21, 2000. Changing color of your Window and its controls is a piece of cake in C# using ColorDialog class.
  • GDI+ Tutorial for BeginnersDec 26, 2000. GDI+ is next evolution of GDI. In Visual Studio .NET, Microsoft has taken care of most of the GDI problems and have made it easy to use.
  • Add, Edit, Delete, View data using ADO+Jan 04, 2001. Free to use Tutorials on using ADO+ on Microsoft's .NET Platform in C# as programming language.
  • 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.
  • 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#.
  • PaintBrush in C#Jan 10, 2001. The article is the paintbrush application, which demonstrates the different aspects of C# language and certain namespaces. The concepts like EventHandling and class designs are also present.
  • SmtpMail and Mail Message : Send Mails in .NET Jan 12, 2001. You can use SmtpMail and MailMessage to send mails in .NET.
  • Using DataList Control in Web FormsJan 12, 2001. This example uses a DataList which contains LinkButton controls, which allows a user to navigate through a list of data.
  • 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.
  • Using ListViews in C#Jan 18, 2001. As a Visual C++ user for 10 years I can say that Microsoft deserves praise for their new ListView class. The MFC ListView class was, well, unpleasant to use. C# makes life a bit easier with a richer property and method set for ListViews. Also, you can now, set the ListView to select an entire row in report mode, something that in Visual C++ you had to write a whole custom ListView control to do. Note also the nice grid lines.
  • Get a database table propertiesJan 22, 2001. Get a table properties such as column names, types etc using DataColumn and DataTable.
  • Display data in a Data GridJan 22, 2001. The sample example show you how to use Data Grid to display data in a grid format.
  • A Database Access Class with Overloaded SELECT StatementsJan 24, 2001. A useful database access class with overloaded SELECT and other statements.
  • Database Explorer-IVJan 25, 2001. This is version IV of the Database Explorer, which include the support for Access Database with SQL Server.
  • How to read Windows Registry?Jan 26, 2001. In .NET, the Registry and RegistryKey classes can be used to read and write registry ...
  • 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.
  • 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.
  • Implementing Delegates in C#Feb 04, 2001. The Zip file contains two projects. One is VB.Net and the other is C#. Each project is an example of the same use of a delegate. A base class is derived and the delegate calls a method on several classes derived from the base class.
  • ADODataReader- Writing DataSets to XMLFeb 04, 2001. This file uses ADODataReader and other objects to write DataSets to XML and filling data from the XML files.
  • Horoscope Web ServiceFeb 08, 2001. An article talks about web services and how to develop them using .NET.
  • Implementing Delegates in C# : Part 2Feb 13, 2001. This is second part of Timothy's Delegates in C# series...
  • Ping Utility in C#Feb 16, 2001. Ping is a very useful utility used to determine the speed of a Network Connection. It establishes a socket connection with the given hostname and sends a Data Packet using ICMP Protocol.
  • 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.
  • Copying and Pasting on Clipboard using C#Feb 23, 2001. If you use CTRL+C, some data or files are copied to a system clipboard and stored in system memory and when you use CTRL+V, the data is copied back to wherever you paste it. The Clipboard class provides functionality to place and retrieve data from the system clipboard. Usually
  • Reflection in .NETFeb 26, 2001. Refelction is the mechanism of discovering class information solely at run time. Wondering where it would be useful?
  • Buton Viewer: View ImagesFeb 27, 2001. Well, In .NET, the Image class is a wonderful class to view images. No matter what control you have, you just set the Image property of that control to an image and the control will display the image. Neat?
  • Reading and Writing to the RegistryFeb 28, 2001. This is a class that both reads and writes to the registry that I made while converting some applications to use C#.
  • 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.
  • Loading a Form IconMar 13, 2001. In .NET framework, the Icon class represents a Windows icon, which is a small bitmap image used to represent an object. The icon class is defined in System.Drawing namespace.
  • Serialization Sample CodeMar 13, 2001. A class on serialization.
  • Using Transforms with GDI+ in C#Mar 15, 2001. Transforms are matrices that allow you to rotate and translate your graphics shapes. In this example we are going to rotate a very powerful element in C# called the GraphicsPath.
  • Write Relational Data to an XML FileMar 15, 2001. This article shows you how you can write data from a database to an XML file using DataSet.
  • 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.
  • Mail Merge ProgramMar 16, 2001. This is a simple mail merge program. This program reads from 3 different text files (by default) and merge all the info to produce mail documents.
  • Programming in ADO.NETMar 19, 2001. A simple example shows you how to read a database table in a dataset and display in a list view control.
  • ADO.NET DataSet ProgrammingMar 20, 2001. A sample project shows you how to add, edit, delete, navigate, save records in a database using DataSet.
  • Complex Numbers ClassMar 20, 2001. This small example demonstrates using some of the interesting language elements of the C# language.
  • Mail Merge Program - Part 2Mar 21, 2001. This is a simple mail merge program (Part 2). This program reads from the access database (by default) from a specified table.
  • ADO Vs ADO.NET Web ServiceMar 22, 2001. In this example I'd like to demonstrate one of the most interesting features of the .NET runtime - the concept of Webservices.
  • Simple Web File DownloadMar 23, 2001. This is a simple program that shows how to download files from the web and save them. The program uses the HttpWebRequest and HttpWebResponse classes to request and retrieve the requested file.
  • Simple SMTP MailerMar 26, 2001. This is a simple program which shows how to send mail via SMTP without using any framework support. While using the .NET SMTP classes may be a little easier, it is good to be able to go under the hood and get your hands dirty to understand what is going on at the socket level. For simple text messages, this implementation works fine.
  • Write XML in C#Mar 27, 2001. In this article, I will show you how to use XmlTextWriter class to create an XML document and write data to the document.
  • Reading XML FilesMar 28, 2001. In this article, I will show you how to use the XmlTextReader class to read an XML document and write data to the console.
  • Inserting Data to an XML DocumentMar 28, 2001. The XmlNode and the XmlDocument classes can be used to insert XML data to an existing document or to a new document.
  • 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.
  • Using Delegates to Choose Right FunctionApr 01, 2001. The need to call different class method based on some string passed to class is an old problem.
  • Web Request ClassApr 04, 2001. This is a simple application that the gets the source of a webpage via the WebRequest Object.
  • 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.
  • Writing Secure Code using C#Apr 06, 2001. Code access security is a mechanism that grants/denies access to resources within a method call. For example, code written by a person may be allowed to write to the disk while code from another one may be forbidden from accessing the disk. This control can be enforced even if the code written by both of them is used within a single application
  • Introduction to JScript.NETApr 09, 2001. We have been hearing the announcement from Microsoft right from PDC2000 that they have realsed new languages viz. C#, VB.NET and JScript.NET.This artice of mine is going to introduce to u JScript.NET.
  • A Complete Virtual Shop Web Service in C#Apr 10, 2001. This is a complete web service example using C#. In this web service, I have build a complete virtual shop to buy and review products.
  • 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#.
  • Connecting to a Text file using ADO.NET Apr 20, 2001. A simple step by step tutorial shows you how to connect to a text file using ADO.NET and C#..
  • Rotation SampleApr 24, 2001. After reading Mike Golds article on transforms I thought I would get things moving a bit!
  • 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.
  • Connect to an Oracle DatabaseMay 03, 2001. This sample code shows you how to connect to an Oracle database using C#.
  • Working with Relational Data in ADO.NETMay 03, 2001. Working with hierarchal data was not that easy with the previous version of ADO.
  • 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#.
  • 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.
  • Transaction Web SiteMay 16, 2001. When I started working with this technology I faced a problem dealing with session as in any transaction or Database oriented portal this is a must requirement to deal with.
  • 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.
  • Using Reflection and With Class2000 to view the .NET System.Drawing library Part IMay 29, 2001. Using the power of .NET and the power of COM InterOperability through WithClass 2000, you can view the System.Drawing library in a rough UML diagram.
  • Web Scanner Part-1Jun 01, 2001. My favourite technology web site is updated throughout the day. I thought it would be nice to have a program that checked every 30 minutes for updates and told me what stories were there.
  • Data Structure Sample ExampleJun 04, 2001. Source code for Data Structure implemetation of Stack, Queue, Doubly linked list and more..
  • GDI+ Samples: Rectangle, 3D, and EllipseJun 07, 2001. This article has three sample examples on GDI+ - Rectangle, Ellipse, and 3D.
  • 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.
  • 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.
  • Word Jumble In MobileJun 13, 2001. Here is an application where u can Play Word Jumble in Mobile.
  • Animate System Tray in C#Jun 18, 2001. I am sure those who have worked with Visual C++ would have experienced the problem of displaying an icon in system tray and manipulating with context menus for that. Previously I use to display System tray icons with Shell_NotifyIcon by filling a structure and manipulating with a context menu for that icon is another problem.
  • 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.
  • 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.
  • 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.
  • 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.
  • Snooping on C#.NET Regular ExpressionsJun 26, 2001. I present here two micro test utils, which will let you play with regular expressions. Regular expression( System.Text.RegularExpressions.Regex ) is a powerful class very useful for parsing, splitting or replacing texts.
  • Creating Exe on the FlyJun 29, 2001. You can create an Exe on the fly using .NET classes.
  • Working with ReflectionJul 05, 2001. This article is about the use of reflection package in Csharp. Through Reflection we can get Information about the class.

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