C# Corner

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  • 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.
  • 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.
  • Protecting IL Code from unauthorised DisassemblingApr 09, 2001. Microsoft .NET proved a mechanism where the code written in VB.NET, C# or any CLS compliant languages to generate MSIL (Microsoft Intermediate Language)code which targets the CLR and executes. This is an excellent mechanism to abstract the high level code from the underlying hardware.
  • 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.
  • .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).
  • Ouch! There is a Hook in My C#May 15, 2001. As an extension to the J++ design practice, C# has a syntactic construct, called Attributes, which let you drop hooks to Windows API or modify the runtime semantics, like threading synchronization behavior. The C# has legalized the hooking practice by calling them Attributes, and including them in ECMA C# specification.
  • Creating Run-Time Menus in C#Jun 14, 2001. Sample example on how to create runtime menus.
  • IL "The Language of CLR" - A Platform for Cross-LanguageJun 28, 2001. This article introduces the Cross-Language capabilities of CLR environment (Common Language Runtime Environment) and its constituent language IL (Intermediate Language).
  • A Simple C# Utility to Help You Invent NamesJul 10, 2001. I wrote this simple console utility to help me think of a new name for a project I was launching.
  • Run-Time Menus in C#Aug 20, 2001. The following example demonstrates how to create menus on the fly.
  • 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.
  • A Quick View From C/C++ to C#Sep 10, 2001. This article provides a quick overview of the C/C++ and C# languages.
  • using Array Class and IEnumeration in C#Sep 14, 2001. This article illustrates the usage of Array class and IEnumerator. Array class Provides methods for creating, manipulating, searching and sorting arrays, thereby serving as the base class for all arrays in the common language runtime.
  • Adding Controls to Windows Forms at RuntimeNov 13, 2001. In this example I'll show how one can create and add controls to their Windows Forms at runtime.
  • 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.
  • 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.
  • Overview of Automated TranscationsJan 04, 2002. Two or more .NET Framework objects can participate in the same transaction. One or more .NET Framework objects can participate in the same transaction as one or more COM+ objects. All objects must be hosted in Microsoft Windows 2K Component Services so as to receive services such as transaction processing.
  • Chat Server with Client Implemented with C#Jan 19, 2002. This client/server application let you chat ....
  • .NET Framework and Web Services - Part 1Jan 28, 2002. The .NET Framework is a new computing platform designed to simplify Windows application development in the highly distributed environment of the Internet. Common Language Runtime (CLR) is the Heart of the .NET Framework.
  • World Weather Update on Your MobileFeb 04, 2002. In this article, I would like to discuss the "Weather Update" on Your Mobile.
  • VS.NET Tools Intermediate Language Disassembler (ILDAM)Feb 06, 2002. "The ILDSAM tool parses any .NET Framework EXE/DLL Module and shows the information in a human-readeble format"
  • Buliding A WAP SiteFeb 27, 2002. In this Article I would like to share my views about Pagibnatioon and how to use Pagination in Mobiles Forms.
  • 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.
  • Reflecting Data to .NET Classes: Part I - From HTML FormsMar 06, 2002. Reflection allows us to examine internal details of assemblies and classes at runtime (programmatically).
  • Adding Controls to a DataGrid at RuntimeMar 19, 2002. This article below sheds some light in above area i.e. user can add any control based on his/her choice and can use it to edit the details in the data grid.
  • .NET COM Interoperability - Part 2: Using .NET Component from COMApr 02, 2002. When a COM client calls a DotNet object, the DotNet framework will create a COM callable wrapper (CCW). COM clients use the CCW as a proxy for the managed object.
  • .NET COM Interoperability - Part 1: Using COM Components from .NET FrameworkApr 02, 2002. The DotNet framework exposes COM objects through a proxy called the runtime callable wrapper (RCW). The primary function of RCW is to marshal call between a managed client (.Net) and unmanaged COM object. The runtime maintains a single RCW for each COM object.
  • Asteroids in C#Apr 04, 2002. As my first experiment in a game design, rather than using a DirectX wrapper, I decided to explore the functionality of GDI+. GDI+ has lot of nice features to offer but performance wise it is slow. So GDI+ may not be a good idea to develop practical fast paced games. This game also includes sounds.
  • .NET Performance Counters, Part 1: Predefined CLR Performance CountersMay 13, 2002. In this article, I will describe what a performance counter is and introduce you to the predefined counters that you can use to monitor the state of the CLR while your applications run.
  • 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?
  • SpellCheck.NET Parser in C#Jun 25, 2002. SpellCheck.net is free online spell checking site. Whenever I need to check my spelling I visit this site , so I decided to write a parser for this site.
  • Editable GridView Control in C# and .NET - Part IV Exporting the GridView to ExcelJun 27, 2002. In this article we will take the contents of our GridView control and spill it into an Excel spreadsheet using this wrapper mechanism.
  • Editable ListBox ControlJul 01, 2002. A ListBox is a read-only list of items. But let us suppose your application needs to edit an item in a listbox at runtime.
  • Understanding Garbage Collection in the .NET FrameworkAug 09, 2002. In this article we will explore the Garbage Collection feature in the .Net framework and the activities required in applications to manage resources complementing the Garbage Collector.
  • Printing Directly to the PrinterOct 21, 2002. Using this code enables you to print directly to the printer using WIN32 api calls and therefore should enable you to print at maximum speed rather than relying in the Windows Printing subsystems.
  • 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.
  • Cryptography in Microsoft.NET Part I: EncryptionDec 12, 2002. Microsoft .NET has pre-built solutions to all of these in each application domain, viz., ASP. NET, Web Services, Serviced Component etc. It enables building secured application by simple configuration as in ASP.NET to full fledged programmable security as in code access security and Cryptography.
  • Cryptography in Microsoft.NET Part I: EncryptionDec 12, 2002. In this article, Gowry sheds lights on the basics of cryptography and how it can be implemented in .NET.
  • Using Cards.dll in a Windows Control LibraryJan 16, 2003. This project aims at designing a windows control library that encapsulates a playing card.
  • Using C# and COM Interoperability to Extract from a UML tool into a Microsoft Word DocumentFeb 18, 2003. This article allows you to read the classes contained inside of WithClass 2000 into a Word Document using COM Interoperability for Word and COM Interoperability for WithClass and presents your classes in a kind of report.
  • 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.
  • 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.
  • C# Video PokerApr 14, 2003. This Video Poker game is an imitation of a casino Video Poker machine. It is written using Windows Forms.
  • Creating Extensible and Flexible Hosted Applications: Part 2Apr 22, 2003. For this article I will use the same requirements and goals defined in part 1.
  • Changing the default limit of 25 threads of ThreadPool ClassJun 19, 2003. The Threadpool is useful for managing threads that are usually in a wait state and that take only a short amount of time to do their work. If still you would like to change the default limit of 25 threads then here you go.
  • 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.
  • Installing a Service ProgrammaticallySep 04, 2003. With the arrival of .NET, creation of a windows service has become a piece of cake by just selecting Windows Service as project type in the New Project Dialog Box.
  • Export ASP.NET DataGrid to ExcelSep 08, 2003. Export to Excel is one of the most common functionality required in ASP.NET pages. Users can download the data from the DataGrid into an Excel spreadsheet for offline verification and/or computation.
  • 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.
  • Introduction to ASP.NET HTTP ModuleNov 24, 2003. This article will help the users to examine the use of HTTP Modules and their use in extending the pipeline. The HTTP Pipeline is a series of extensible objects that are initiated by the ASP.NET runtime in order to process a request.
  • Enhanced XP Button ControlDec 12, 2003. The enhanced XP style button is very easy to use and it supports rectangle, circle or ellipse shape with image and different colors. This control also inherit most of the properties from the Forms.Button.
  • Screen Capture and Save as an ImageDec 30, 2003. The following example source code shows how to capture the screen and save it to an image.
  • Debugging a Compiled ComponentFeb 02, 2004. After an assembly is compiled into a dll in a release mode, it is very difficult to gather information from it such as runtime performance, parameters values, etc.
  • Typed DataSets in .NETFeb 03, 2004. As all of we know, we can specify the data type when we create a DataColumn for a DataTable. This is to enforce the runtime type-safety for the column so that only data of specified data type can be stored in the column.
  • Configuring Publisher Policy FileFeb 20, 2004. Versioning in the Microsoft .NET Framework is managed at the assembly level and is only used when locating strong-named assemblies. By default, the common language runtime loads the assembly whose entire version number matches the version number in the calling assembly's metadata.
  • Interoperability in .NETAug 16, 2004. The important goals of .NET during its development was to promote interoperability with existing technologies.
  • Thread Safe Collections ArrayList and QueueSep 24, 2004. The attached project provides a dll containing a wrapper around the non-thread safe ArrayList and Queue classes. The wrapper implements the most common functions of this collection elements.
  • Coloring the Console in C# Oct 25, 2004. When working with console applications in C#, you always see a black and white screen. What if we want to change the background color of the console? We can change the foreground and background color of our console application by using win32 API SetConsoleTextAttribute().
  • Introduction to ASP.NETNov 17, 2004. I have seen many tutorials on ASP.NET but most of them starts with coding and writing your first ASP.NET program. But here I have written this tutorial for explaining why there is a need for ASP.NET when classy ASP is working fine, what are the underlying technology behind ASP.NET, and what programming model ASP.NET provides to programmers.
  • Query Tool to Excel using C# and .NETFeb 03, 2005. This article show how to use .NET's interoperability feature to pull the data directly into the spreadsheet.
  • What does .NET really mean? – Understanding .NETFeb 10, 2005. The .NET Platform and .NET-Aware Programming Languages, particularly C# are already making a turnaround in the way Applications are developed in the enterprise world.
  • Understanding Threading in .NET FrameworkApr 21, 2005. This article describes how to use threading model in .NET Framework including creating, joining, suspending, killing, and interlocking threads.
  • .NET Color ListBoxApr 26, 2005. .Net ListBox control itself works fine, however as a base class for further derivation it is fundamentally flawed. The root of evil is in the Windows API ListBox. .Net ListBox is just a wrapper for this control.
  • Editable ListBox in C#Jun 09, 2005. The attached sample code demonstrates how you can create an editable ListBox control, which will let you edit ListBox items at runtime.
  • How to Maintain a CodeGroup in Security Policy at Runtime?Jul 05, 2005. Whenever protected resources are accessed by an assembly, it’s permissions are determined by the code access security system of CLR. Each permission set granted to an assembly is based on the assembly's evidence (such as its URL or publisher certificate, strong name), which in turn is based on configurable security policy.
  • Building Managed Code Using Common Language Runtime (CLR) Integration in SQL Server 2005Oct 24, 2005. In this article I am going to talk about a cool new feature of SQL Server 2005 called "CLR Integration", its advantages and how to program database objects using managed code with a simple project in Visual Studio 2005 beta 2.
  • Windows Forms WebBrowser ControlNov 10, 2005. Windows Forms 1.0 lacked a Web Browser control. The work around was to use IE ActiveX control using COM Interop. Now Windows Forms 2.0 provides a Web Browser control, which is a managed wrapper of IE ActiveX control.
  • Data Integrity in Web ServicesNov 14, 2005. Web Services bring with them great possibilities and with these possibilities are some pitfalls.
  • Indepths of Global Assembly CacheNov 18, 2005. This article gives an indepth knowledge of working of global assembly cache.
  • J2EE and Microsoft .NET for Enterprise ApplicationsDec 05, 2005. The purpose of this article is to provide an introduction to and overview of both J2EE and Microsoft .NET and compare the both side by side.
  • How to generate Dynamic Checkbox in ASP.Net using C#Jan 11, 2006. After completion of this article we will be in a position to understand the approach for generating Dynamic checkboxes in Asp.Net using c#.net as well as the uses of Dynamic control.
  • Wrapper Patterns in C#: Part IFeb 13, 2006. Did you ever wish for a superhuman power to be impervious to bullets or travel outside your body? How about the superpower to be able to breathe underwater or fly? Or how about a changing the way you look so you can disguise yourself as anyone, or anything? In this series of four articles, we will travel down the C# wrapper rabbit hole and see how it is all possible with some patterns: Proxy, Decorator, and Adapter.
  • Wrapper Patterns in C#, Part II: The Proxy PatternFeb 14, 2006. Did you ever wish for a superhuman power to be impervious to bullets or travel outside your body? How about the superpower to be able to breathe underwater or fly? Or how about a changing the way you look so you can disguise yourself as anyone, or anything? In this series of four articles, we will travel down the C# wrapper rabbit hole and see how it is all possible with some patterns: Proxy, Decorator, and Adapter.
  • How to Create Application Domain Using Framework 2.0Feb 14, 2006. This article will describe members used to create appdomain in runtime.
  • Wrapper Patterns in C#, Part III: The Decorator PatternFeb 15, 2006. Did you ever wish for a superhuman power to be impervious to bullets or travel outside your body? How about the superpower to be able to breathe underwater or fly? Or how about a changing the way you look so you can disguise yourself as anyone, or anything? In this series of four articles, we will travel down the C# rabbit hole and see how it is all possible with some wrapper patterns: Proxy, Decorator, and Adapter.
  • Wrapper Patterns in C#, Part IV: The Adapter PatternFeb 16, 2006. In this series of four articles, we will travel down the C# rabbit hole and see how it is all possible with some wrapper patterns: Proxy, Decorator, and Adapter.
  • The C# Value Type and BoxingFeb 17, 2006. Even though with the .NET framework we don't have to actively worry about memory management and garbage collection (GC), we still have to keep memory management and GC in mind in order to optimize the performance of our applications. One of the things we need to be aware of is how the Common Language Runtime (CLR) deals with references to value types.
  • How to Upload or Change an image in the Crystal Report at runtimeMar 20, 2006. This article will demonstrate how a user can customize the crystal report by uploading an image from the local computer.
  • Object Inspector in C#Apr 11, 2006. A cool C# control that allows to control and manage all the controls in a form at runtime.
  • Creating SQL Server Database Dynamically in .NET Using SQL DMOOct 05, 2006. It is a sample ASP.NET and Visual Studio 2005 application for creating a SQL Server database at runtime. I have used SQL-DMO dll. This article will show you how to create a database in SQL Server 2005 and 2000.
  • Using a COM Callable Wrapper to Launch a Program from a Hyperlink in the WebBrowser ControlMar 02, 2007. This article describes how you can launch an application from a link inside the WebBrowser Control using a combination of javascript and an ActiveX Control created in C#.
  • Debugging Windows Forms Run-Time Error 101 Using C#Apr 11, 2007. This article will give you step-by-step introduction to debug Windows Forms application run-time error using C#.
  • Windows Communication Foundation's hosting environmentMay 07, 2007. Windows Communication Foundation (WCF) applications need to have a runtime environment for the management of its object's lifecycle. The host process models allows is a new concept in WCF referring to WCF hosting environment which can have several services, and the same service can be hosted in several host processes.
  • Generating Images Dynamically in ASP.NETJul 06, 2007. This article explains how to create images dynamically at run-time in ASP.NET.
  • Creation of objects using Late-Binding techniqueSep 10, 2007. This article will explain how we can create objects in runtime, using late binding technique. Especially for a situation where you will come to know the class name only in runtime.
  • Running a web site in Kiosk mode with c#Jan 30, 2008. This article addresses a simple approach to supporting the display of a web site in kiosk mode using a simple win forms application.
  • Dynamic Building and Execution of Assembly Using CodeDome & ReflectionFeb 01, 2008. This article shows how to enter code, compile it , execute it and apart from that access code and data member from the main or other referenced assembly during runtime.
  • Printing Windows Form in C#Feb 01, 2008. This article shows how to print a Windows Forms in C# at run-time.
  • Passing and retrieving parameters from windows workflowJun 09, 2008. Basically this article gives an idea about how to pass the parameters and getting output parameters from the workflow.
  • Generics in .Net 2.0 made simple Jun 22, 2008. Generics provide the solution to a limitation in earlier versions of the common language runtime and the C# language in which generalization is accomplished by casting types to and from the universal base type Object. By creating a generic class, you can create a collection that is type-safe at compile-time.
  • Opening Jars with C# Jul 07, 2008. This article shall describe an approach that may be used to extract Jar files. Jars are merely files compressed using zip compression; the primary difference between a standard trash zip file and a jar file is that the jar file includes a manifest; also a true jar files can be run as an executable on a machine equipped with the java runtime.
  • Passing parameters to Crystal Reports at runtime with c#Sep 29, 2008. This article shows how to pass parameters to a Crystl Reports at runtime in C#.
  • Dynamically Loading an assembly at Runtime and calling its methodsOct 14, 2008. This article explains how to load an assembly dynamically and call its method.
  • Introduction to the interoperation between .Net and COM: Part IOct 30, 2008. This is a brief introduction to the COM component object model.
  • Host an OCX control within a .Net windows application-.Net and COM part IVNov 03, 2008. In this article I will explain how to host an OCX control within a .Net application.
  • The Future of C#Nov 06, 2008. This post speaks about the future of C# which presented by Anders Hejlsberg chief architect of C# at PDC 2008. The coming version C#4.0 is much concerned on introducing Functional and Dynamic programming language concepts into the C#.
  • WPF AutoComplete Folder TextBoxDec 29, 2008. This article demos how to create a TextBox control that can suggest items at runtime based on input such as disk drive folders on a machine.
  • Introducing: .NET Event CacheMar 08, 2009. This article introduces a reusable generic event cache component that houses events with custom bubbling capabilities. This can be used as a component in your business objects to provide event declaration runtime with events that can bubble to other classes.
  • Creating server controls at runtime using HTTP modulesApr 06, 2009. This article is all about generating dynamic ASP.Net server controls using HTTP modules.
  • Show Images in Reports at Run-time using ReportViewerMay 11, 2009. This article shows how to put Images in Reports created using ReportViewer dynamically.

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