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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Web Request ClassApr 04, 2001. This is a simple application that the gets the source of a webpage via the WebRequest Object.
  • Assemblies : The Ins and Out : Part IApr 13, 2001. In Part 1, I will cover what exactly an assembly is, and what an assembly contains.
  • Assemblies : The Ins and Out : Part IIApr 16, 2001. In this part, I will discuss both Private and Shared assemblies and how to create a "Shared Assembly".
  • Assemblies : The Ins and Out : Part IIIApr 20, 2001. In this part I will discuss in more detail than Part 2, the available utilities for manipulating assemblies.
  • Line Numbering Utility in C# and JavaMay 08, 2001. This is the first of the series of programs I wish to write to help myself get a handle on C#.
  • 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 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...
  • Compute Feature of DataTableAug 01, 2001. The following code is for implementing least known feature of DataTable Compute() method.
  • Namespaces in C#Aug 20, 2001. Namespaces allow you to create a system to organize your code. A good way to organize your namespaces is via a hierarchical system.
  • 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.
  • Oracle Database ViewerOct 17, 2001. This is a GUI based application which connects to an Oracle database depending upon the DSN, username and password that you provide. It then shows the list of tables on the left hand side in the form of a treeview.
  • Working with Namespaces in C#Nov 07, 2001. In C#, namespaces are used to logically arrange classes, structs, interfaces, enums and delegates. The namespaces in C# can be nested. That means one namespace can contain other namespaces also.
  • Network Programming in C# - Part 1Nov 12, 2001. The .NET framework provides two namespaces, System.Net and System.Net.Sockets for network programming
  • Exception Handling in C#Jan 03, 2002. In C# Exception is a class in the system namespace. An object of an exception is that describe the exceptional conditions occur in a code That means, we are catching an exception, creating an object of it, and then throwing it. C# supports exceptions in a very much the same way as Java and C++.
  • Sorting Object Using IComparer and IComparable Interfaces Mar 01, 2002. The System.Collections namespace contains interfaces and classes that define various...
  • 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.
  • Simple NSLookUp Implementation in C#Apr 01, 2002. This is code implementation for simple nslookup. As you can see from the code listing, I've used classes defined in the System.Net namespace.
  • 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 .
  • 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).
  • File EncryptionMay 05, 2002. The classes in the .Net Framework cryptography namespace manage many details of cryptography for you.
  • CS CODEDOM ParserJun 12, 2002. CS CODEDOM Parser is utility which parses the C# source code and creates the CODEDOM tree of the code(general classes that represent code, part of .NET Framework - namespace System.CodeDom).
  • Using Currency Manager and MemoryStream to Display ImagesJul 01, 2002. This article and attached sample code demonstrates you how to use the CurrencyManager and MemoryStream to display images.
  • Create FTP and Web IIS Virtual Directory using C#Jul 03, 2002. In this example we will create a Windows Form Project that will create new FTP and Web IIS Virtual Directories from code based on the name and path specified by the user.
  • Working with System.IO.Directory Class in C#Jul 22, 2002. This article is focused on understanding the Directory class of System.IO namespace.
  • 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.
  • Understanding ODBC .NET Data ProviderOct 04, 2002. The ODBC .NET data provider provides access to ODBC data sources with the help of native ODBC drivers in the same way that the OleDb .Net data provider accesses native OLE DB providers.
  • OpenGL using CsGLOct 07, 2002. I m glad to be the first one writing about OpenGL at this site. What I want to show you in this article is that it is fairly easy to setup a form that is capable of showing 3D.
  • 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).
  • ImageCanvas Web User Control for ASP.NETDec 31, 2002. Most of you must have seen picture box control of windows forms. We can set image of picture box control and control will render that image in form.
  • ADODB Services in .NET Applications Using C#Dec 31, 2002. With the advent of ADO.NET, the .NET Framework lets you work with your data in a paradigm shift.
  • 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.
  • The "ins" and "outs" of Using Stored Procedures in C#Jan 27, 2003. This article reviews the creation of stored procedures with parameters using the Visual Studio IDE.
  • Accessing Sharepoint Portal Server 2001 in .NETFeb 19, 2003. Sharepoint portal server provides a set of COM API that can be used to access its functionality from .NET applications via COM Interoperability. In this article, I will show you how to import SPP functionality in your .NET application.
  • Use Thread Local Storage to Pass Thread Specific DataMar 18, 2003. The specific thread level storage is known as thread local storage or TLS for short. The .NET threading namespace allows .NET developers to use TLS from within their multi-threaded applications to store data that is unique to each thread.
  • Basics of Extending Your Working Environment in Visual StudioApr 10, 2003. All of us have used Macros in Microsoft Office and Add-ins in Visual Studio 6 and I am very sure all of us have been impressed as well by their power to control their own working environment.
  • Extending Your Working Environment in Visual Studio - AdvancedApr 24, 2003. In my previous article, you learned about how to create wizards and some simple objects such as DTE, Solutions, Project and Project Item. These objects help us to customize our Visual Studio working environment.
  • How to Detect a Dialup Connection?May 15, 2003. In the article we'll see how to check connectivity with internet using VB.NET.
  • Understanding Crystal Report ViewersOct 07, 2003. Crystal Report Viewers work as a container of a report and allow us to view a crystal report in Windows and Web applications. Crystal Reports for Visual Studio .NET provides two report viewers – Windows Forms Viewer and Web Forms Viewer.
  • Code Generator for Basic Stamp II MicrocontrollerOct 15, 2003. The Basic II Stamp is programmed by the language its named after, Basic. The language is a combination of Basic syntax and built in key words that control the Basic Stamp II chip.
  • Automatically Break into Code When Calling Debug.AssertDec 22, 2003. This sample creates a dll that once referenced by your ASP.Net or Web Service app, just adding a small block of xml into your web.config file will cause the debugger to automatically break into your code.
  • Using Web.Config in ASP.NET and ASPJan 09, 2004. Web.config acts as a central location for storing the information to be accessed by web pages.
  • Real Life SQL and .NET :Using SQL with C#: Part VIIIJan 13, 2004. Welcome to the world of SQL and the huge, growing database technologies of today’s business all over the SQL world. By reading this article, we have begun accepting the knowledge that will soon be required for survival in today’s world of relational database and data management. Alas, for the reason that it is first necessary to provide a background of SQL and cover some preliminary concepts that we need to know, the majority of this article is text in paragraph format.
  • Globalization in .NETJan 28, 2004. Now a day it is very difficult to think about building any application without globalization. If we are building an internet application, then it is very much required that our application supports all the languages with respect to the customer's locality.
  • Go Beyond the Limits of ASP.NET FormMar 22, 2004. One of the most common hitches that ASP developers encounter when they first approach ASP.NET is that managed Web applications must be written according to a single-form interface model.
  • Significance of Transformation OrderApr 27, 2004. When applying a composite transformation on graphics objects, the order of transformations plays a vital role. This article shows you various aspects of the transformation order and the results.
  • HTTP Handlers in ASP.NETAug 24, 2004. The low level Request and Response API to service incoming HTTP requests are HTTP Handlers in ASP.NET. All handlers implement the IHttpHandler interface, which is located in the System.Web namespace. Handlers are somewhat analogous to Internet Server Application Programming Interface (ISAPI) extensions.
  • Active Directory and Microsoft .NETOct 18, 2004. This article will emphasize in the benefits of using the namespace System.DirectoryServices.
  • Pocket PC 2003 : Saving the Signature as a BitmapFeb 15, 2005. The System.Drawing.Graphics namespace is commonly used for almost any forms in the desktop framework, hence it has got lots of facilities to draw any kind of image on to the device context.
  • Accessing Global Address List via System.DirectoryServices namespaceMay 21, 2005. This is a how-to article to access the GAL from ASP.NET, using the DropDownList ASP.NET server control as the UI. To accomplish this the article will illustrate by utilizing ADSI technology from a C# assembly returning an ArralList in order to bind to the DropDownList.
  • Accessing Global Address List via System.DirectoryServices NamespaceMay 21, 2005. This is a how-to article to access the GAL from ASP.NET, using the DropDownList ASP.NET server control as the UI. To accomplish this the article will illustrate by utilizing ADSI technology from a C# assembly returning an ArralList in order to bind to the DropDownList.
  • OOPS Concepts and .NET Part 1: Classes, Objects, and Structures Jun 22, 2005. The following article kicks off a three-part article series that will present definitions and samples for different Object-Oriented Programming concepts and its implementation in .NET.
  • Accessing Registry using ASP.NETJul 08, 2005. In this article, we will see how to access the registry using ASP.NET. We will see one simple example to check where Visual Studio installed on our machine.
  • Introduction to System.Management NamespaceJul 20, 2005. The article provides an insight on the use of System.Management namespace and the advantages of WMI.
  • POC for DOM XML ParserJul 21, 2005. The classes found in System.Xml namespace provide functionality to parse and navigate through XML documents. The attached source code shows how to use this functionality in C#.
  • Sending Email with C# using SMTP ServersAug 01, 2005. This article will explain how we can send emails using SMTP servers.
  • Using the DPAPI through ProtectedData Class in .Net Framework 2.0Jan 05, 2006. The objective of this tutorial is to show how the DPAPI can be used to encrypt and decrypt data. Encrypt some data using ProtectedData Class in System.Security.Cryptography namespace and save it to a file. Show that the data can be decrypted using the same class but deferent method. Login as a different user,and show that the data cannot be decrypted.
  • Basic concepts of Threading: Part IIJan 28, 2006. In this article a brief description about System.Threading Namespace, Classes and Interfaces provided that enables multithreading programming.
  • DataReader And DataSetMar 20, 2006. ADO.NET is part of Microsoft.NET which comprises a set of tools and object model for accessing a data source. The objects definition appears under the System.Data namespace. It allows applications to store, manipulate and retrieve data. In this article I’m going to talk about the two different objects for accessing data sources in two common contexts of your application: the connected and disconnected environment.
  • Leveraging the "using" keyword in C#Jan 17, 2007. The “using” keyword in C# is one of the best friends of programmers but many of us may not realize this. The “using” keyword is used in two cases – First when importing a namespace in your code and second in a code block.
  • Animating your XAML AppsApr 05, 2007. This article will describe how to do 2D Animation using XAML Scripts. In the article we will describe how to implement transforms on XAML shapes and then how to move them around in your form.
  • Play Video in WPFApr 09, 2007. If you have built any video enabled application prior to WPF, you must be familiar with the Windows Media Player ActiveX control. The WPF library provides the MediaElement control that encapsulates Windows Media Player functionality.
  • XAML TextBoxApr 10, 2007. XAML <TextBox /> element represents the XAML TextBox control. This article discusses how to create a TextBox and set its various properties such as background and foreground colors, setting size and positions, fonts, wrapping, scrolling, and input validations.
  • Programming XAML - A Quick StartApr 10, 2007. XAML is a new descriptive programming language that is used to define user interfaces in WPF, Silverlight and Windows 8 Metro Style Apps. This article is an introduction to XAML.
  • XML Data Binding in WPFApr 11, 2007. This article describes how to bind XML data using a data template in WPF and XAML. For ease of demonstration, the XML is defined as a resource within the XAML document.
  • Digital Ink in WPFApr 11, 2007. Digital ink used to only be available as part of the Tablet PC SDK. Now it is bundled with Windows Presentation Foundation. This tutorial demonstrates how easy it is to integrate digital ink into your Avalon applications using XAML and C#.
  • XAML Layout using the Panel ClassApr 12, 2007. This article describes how to use the DockPanel element to achieve standard layouts in XAML. While there are a number of interface elements that can be used to position controls in your application, DockPanel provides one of the easiest mechanisms for defining scalable layouts.
  • Drawing Graphics Shapes in XAML Apr 12, 2007. This article describes the drawing model in XAML and how to draw various objects such as line, rectangle, ellipse, and paths using XAML.
  • Calling Oracle stored procedures from Microsoft.NETJun 29, 2007. This article is intended to illustrate how to illustrate how to call Oracle stored procedures and functions from Microsoft.NET through the Microsoft.NET Oracle provider and its object model residing in the namespace System.Data.OracleClient. I will cover several possible scenarios with advanced examples.
  • WPF ListBoxAug 31, 2007. This tutorial shows you how to work with the ListBox control available in WPF.
  • Creating MenuItem With WPFSep 03, 2007. In any desktop application it is very important to have menu bar to the application/system, so that user will find easy to access it. In this tutorial I will be talking about how we can create Menu bar in WPF application using XAML.
  • WPF Database Communication Adding new Record to the DatabaseSep 06, 2007. WPF Database communication Adding new record to the database (XAML-MS-Access), I have a XAML form with FirstName, LastName, Email & Contact fields in it on click of submit button it will first check if the same email address is exists in the table else it will add new record I have made use of OleDbTransaction to perform add functionality.
  • Introduction to Building a Plug-In Architecture Using C#Sep 10, 2007. In this article we'll take another look at how we can use the state pattern to build a plug-in architecture that will allow us to change the behavior of our application by placing differnt plug-ins into a folder.
  • Web based colour tool for .NETOct 02, 2007. The .NET Framework provides us with over 100 colours to use within the System.Drawing namespace. In order that we know exactly what all these colours look like here is a simple web based tool that uses Reflection to loop through all the colours with the System.Drawing.Color struct and print them to the page.
  • Implementing a Simple Silverlight ControlOct 30, 2007. This article shows how to implement a simple button control using Silverlight 1.1 and C#.
  • Introduction to the Assembly ConceptJan 17, 2008. This is a brief introduction to the assembly concept, it shows importants issues for a programmer to know.
  • Generics in C# - Part IMar 28, 2008. In Part I of this series you will see the importance of generics, you will learn how to use generic types which in the System.Collections.Generic namespace and you will also learn how to create generic methods.
  • Using IComparable and IComparer to compare objects Apr 30, 2008. This article informs you that the .Net framework and especially the System.Collection namespace provides us two built in interfaces witch are IComparable and IComparer interfaces that enables us compare and sort objects.
  • Using Windows Forms Controls in WPFJun 20, 2008. In this tutorial, you will learn how to use existing Windows Forms controls in a WPF application. I have used Visual Studio 2008 to create this tutorial.
  • User Control in WPFJun 30, 2008. This article discusses how to create a User Control in XAML and WPF using Visual Studio 2008 and how to use it in a WPF application.
  • Animated Banners in XAMLJul 02, 2008. This article shows how to use animation related controls in XAML to create an animated banner with animations such as gradient colors, text rotation, and resize the banner text.
  • Navigating and passing values between XAML Pages in Silverlight 2Jul 08, 2008. In this article, I discuss how to navigate and pass values between XAML pages in Silverlight.
  • Creating Fancy Tooltips in WPFJul 14, 2008. Each control in WPF has a Tooltip property that can be accessed through XAML or code behind. This article shows how to create a fancy tooltip in XAML and WPF.
  • Menus in WPFJul 29, 2008. This tutorial shows you how to create and use a Menu control available in Windows Presentation Foundation (WPF).
  • Your first Animations Using XAML and Silverlight - Color Animation: Part IJul 29, 2008. In this article, I will give a trick of how to deal with ColorAnimation class within VS2008 and Silverlight context using both xaml and C# 4.0, afterward, and in the two subsequent articles, we’ll focus on the DoubleAnimation and PointAnimation.
  • Your first animations using XAML and Silverlight- Double animation: Part IIJul 30, 2008. In the previous article "Your first animations using xaml and silverlight - Color animation: Part I", we've exposed a technique of how to deal with color animation. In this article, I will do same thing but with a different animation. I mean the DoubleAnimation class this time.
  • Drawing Shapes in WPF Jul 31, 2008. This article is an introduction to graphics programming in XAML and WPF. In this article, I discuss various graphics objects including lines, rectangles, ellipses, and paths and how to draw them using XAML and WPF.
  • Your first Animation using XAML and Silverlight - Point Animation class: Part IIIAug 04, 2008. This article is third part of the series of articles about animation using XAML and Silverlight.
  • Media Player in WPFAug 04, 2008. This tutorial shows you how to play and control media files in WPF and XAML using WPF Media controls.
  • Data Binding in WPFAug 05, 2008. In this article, I discuss how we can use ADO.NET DataSet to get data from a database and bind to a WPF ListBox control using data binding process in WPF.
  • Silverlight Tutorial: How to Create an Animation of a Ball Being ThrownAug 06, 2008. This tutorial explores the XAML involved in Silverlight animations and provides step by step instructions on how to create an animation of a ball being thrown and bouncing across the floor.
  • Data Binding in WPF ControlsAug 11, 2008. This article shows how to add data binding support among controls in WPF.

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