C# Corner

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  • A GridView Component in C#Apr 05, 2000. This example shows you how I've wrapped a ListView in a UserControl and turned it into a simple grid control.
  • 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.
  • 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.
  • 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?
  • 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.
  • Viewing Assembly PermissionsMay 02, 2001. In this article I will show you how you can view the Code Groups that an assembly belongs to and what permissions belong to the assembly. I will demonstrate the Caspol utility supplied with the .NET SDK.
  • 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.
  • Graphics Animator in C#May 26, 2001. This program will generate a html page with animated gif. You just need at least 2 gifs and use the program to set the time to display each image.
  • Properties in C#: New Cover on old book Jun 06, 2001. Properties are accessor methods whose job is to retrieve and set the values of fields.
  • Reminder ProgramJun 08, 2001. The program allows you to set a running timer to remind you of an upcoming event.
  • A Better Notepad using C#Jul 30, 2001. We can use windows registry for saving default setting of notepad. We can used notepad in C# easily.
  • C# and APIAug 08, 2001. API (Application Programming Interface) is a set of commands, which interfaces the programs with the processors.
  • Mastermind Game in C#Aug 10, 2001. This is the game of Mastermind written in C#. The game is played by clicking on a set of 4 colors and then hitting the score button. Colors can repeat themselves in this game, so be wary!
  • Enhance Batch File Functionality With C# Application : Part IOct 12, 2001. Batch (.bat or .cmd) file has its rich set of commands and processing directives.
  • Introduction to Pocket PCOct 31, 2001. At the time of writing (Oct 2001) Microsoft has shipped Pocket PC 2002 and also has just released the Visual Studio .NET add-on for Pocket PC called the compact framework.
  • 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 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.
  • XP, Component Services and .NETDec 13, 2001. First of all, COM+ does revolutionize COM; it is not only a superior new version of the COM programming model it is also a new platform to design and develop components. In addition, COM+ Services in XP does have some differences from Windows 2000; also XP and COM+ 1.5 offer a richer set of services than was available in COM+ 1.0. This article will describe the basic component services on the XP.
  • NUnit for people who can't cook - Part IDec 13, 2001. This article should l help C# user to get the most out of NUnit. Therefore, we are going to cover not only the usage of NUnit , but also the small tricks on how to set it up most efficiently.
  • Graphics Programming in C#Dec 26, 2001. The new improved version of GDI is called GDI+. The .NET framework provides a rich set of classes, methods and events for developing applications with graphical capabilities.
  • Mandelbrodt Plotting Program Using C#Jan 31, 2002. This program illustrates the use of the algorithm to create the Mandelbrodt set. The formula is an iterative one and is plotted in the complex plane (x, yi).
  • Web/WAP Calender form Harrison LogicFeb 11, 2002. This application provides an updateable web-based calendar that can be viewed from both the Web and through a Mobile device, such as a cellular phone.
  • 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.
  • The Making of PongMar 12, 2002. The purpose of making this classic game was to show simple game structures in C#. Concepts include the "Game Loop", "Input" and "Paint. If you are just beginning in game programming, C# is turning out to be a great place to start.
  • Using XML Based Configuration File in Windows Form ApplicationsApr 15, 2002. Often when building an application, a programmer wants to be able to change application settings without having to recompile the application.
  • Animate with Pocket PCApr 29, 2002. If you are lucky enough to get the Smart Devices Extensions you will finally be able to target devices like Pocket PCs using C# however like all good things there are a few snags.
  • A Simple Contacts List for Pocket PCMay 19, 2002. I have implemented a simple contact list application that is capable of adding and viewing contact details.
  • 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?
  • Unit Conversion Tool for Pocket PC with Compact FrameworkMay 22, 2002. I have created a Unit conversion tool to calculate conversion from 16 different types.
  • Getting NASDAQ Quotes with a Pocket PCMay 22, 2002. If you have been lucky enough to get the Compact Framework or Smart devices extension beta for April 2002 you may be wondering what you can do with it.
  • Programming C#: Working with Arrays in .NETJul 09, 2002. This article concentrates on arrays in .NET and how you can work with arrays using C# language. Article also covers the Arrays class and its method, which can be used to sort, search, get, and set an array items.
  • Windows Forms Printer Selection ListJul 30, 2002. In this example we will create a sample windows form containing a combo box which will list the printers installed on the machine on which the program runs. The default printer for the machine is set as the default selection in the combo box.
  • Personalizing Mobile Web ApplicationsSep 16, 2002. In this example, we will personalize the settings for a mobile web application based on the user logged into the site.
  • Scramble for Pocket PCSep 19, 2002. This article shows you how to write Scramble for Pocket PC.
  • Customizing Default Project SettingSep 26, 2002. "How do I change the default exe name of my project?". I received this question in an email.
  • Persist ListView Settings with SerializationDec 13, 2002. In this article, I'll show you how to persist the column order and width settings by using Serialization, binary serialization to be more specific. And you won't believe how easy it is.
  • Working with Portable Network Graphics(PNG) Format : Part IDec 13, 2002. First off, why use PNG instead of GIF? Probably the most important reason is that GIF supports a maximum of 256 colors.
  • DigitizeAny - A .NET Windows Digitization ToolDec 17, 2002. DigitizeAny uses Win32 API calls to obtain the coordinates of the cursor and then translates to the graph coordinates once set. Since a mouse click would essentially bring to focus the window where it is pointed to, this tool uses the key event to capture the coordinates of the cursor.
  • 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.
  • Invoking Unmanaged DLL Functions from Compact Framework for Pocket PC Jan 04, 2003. In this example we will use the Compact Framework to create a program containing a launch pad for the Pocket PC.
  • C# Versions of Java's StringTokernizerJan 13, 2003. Here is another C# version of the Java StringTokenizer Class from the version posted August last year on your site. Given a string and a set of delimiters, the class return an enumeration of substrings based on the delimeters passed in.
  • Automating the Process of Getting Latest Files from VSSJan 22, 2003. In this article, I will show you how to write an automated process of taking VSS backup. Initially, this application was written with some hard coded settings such as user name, password. and VSS path.
  • 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.
  • Querying COM+ through Web ServicesMar 12, 2003. The most COM+ common administrative tasks (creating a COM+ application, installing/deleting a component, setting a component attribute) can be accomplished manually with the Component Services administrative tool from Management Console.
  • Accessing COBOL Properties with C#Apr 02, 2003. This article will review a new option for exposing those assets via the use of Properties.
  • Comparison between PDA/Pocket PC and Workstation FeatureApr 07, 2003. Pocket PC ships with a version of Internet Explorer, affectionately known as PIE (Pocket Internet Explorer).
  • Dynamically Setting Properties of a Class from a DatabaseMay 12, 2003. This example demonstrates a powerful feature of Reflection that will allow you to dynamically set the values of a class.
  • Hard Coding Pape Size during PrintingJul 14, 2003. Every time I set up a new Windows printer I spend a few minutes going through every bit of the printer properties making sure that every bit is set to A4. The code discussed in this article shows, how you can do it programmatically.
  • EggTimer in C#Aug 26, 2003. This simple timer app will count down from whatever value is set in the textbox.
  • Developing Pocket PC Applications using .NET FrameworkSep 02, 2003. This article presents the rudimentary knowledge that a developer requires for developing Pocket PC Applications using .Net Compact Framework.
  • 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.
  • Masked TextBox ControlJan 26, 2004. This Masked Edit TextBox intelligent user control enhances the function of TextBox control, which can mask the Date, IP Address, SSN, Phone number, digit, decimal and check the validation, automatically set delimit location.
  • Code Access SecurityFeb 06, 2004. Code Access Security represents a fundamentally different way of controlling access rights to protected resources. Traditionally, permissions such as access to the file system, databases or network were allocated based on characteristics of the user. All processes executed by the user would assume an equivalent set of permissions.
  • Understanding SQL Server Yukon Service BrokerFeb 25, 2004. The new version of Microsoft SQL Server™ "Yukon" comes together with a set of technologies capable of enlarging the horizon for database applications. One of the most remarkable technologies is the Service Broker that makes it possible to build database-intensive distributed applications. In this article we explore the core concepts of the Service Broker and show how to use its potentialities to build applications with message interchanging.
  • Multilingual Applications in .NET - Part IMar 24, 2004. This article provides a basic understanding of various methods of developing multilingual applications in .NET.
  • 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.
  • Using Map in a Pocket PC ApplicationApr 19, 2004. GPS enabled applications are a good example of using a Pocket PC to locate a Pocket PC user. This attached application is a location based Pocket PC application developed using .NET compact framework.
  • 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.
  • My First Tablet PC Application using C#May 24, 2004. This step by step tutorial shows you how to create your first Tablet PC application using Visual Studio .NET and C# with the help of Microsoft Tablet PC API.
  • Working with Tablet PC InkEdit Control in C#Jun 02, 2004. Tablet PC SDK provides two very powerful but easy to use Ink controls for Ink recognition. These two controls are - InkEdit and InkPicture. This article discusses how to work with InkEdit and InkPicture controls.
  • Setting Ink Overlay Properties in Tablet PCJun 02, 2004. In this article, I will write an application that allows us to set the Ink Overlay properties dynamically based on the values selected by the user.
  • Saving and Loading Ink on InkPicture Control in C#Jun 02, 2004. This article shows a real-world usage of Tablet PC InkPicutre control and ink. The attached file is a Visual Studio 2003 project, which allows you to load an image file, write on the image using ink and save the ink. It also allows you to load and view the saved ink on the image.
  • Using the Tablet PC as a Flashing Restaurant Menu in C# and .NETJun 08, 2004. This is a simple application written for a restaurant using Tablet PC that allows you to list such things as lunch specials and have the colors on the board change randomly to produce an interesting flashing sign effect.
  • Using Tablet PC Ink on Windows ControlsJun 23, 2004. You can use any control as a surface for the ink and can write on these controls using a Tablet PC pen. To make a control ink enabled, you must have to assign the handle of the control to InkOverlay handle.
  • Working with Tablet PC InkPicture Control in C#Jun 24, 2004. Tablet PC SDK provides two very powerful but easy to use Ink controls for Ink recognition. These two controls are - InkEdit and InkPicture. This article discusses how to work with InkPicture control. See Working with Tablet PC InkEdit control to work with InkEdit control.
  • Tablet PC Ink Editing Modes - Select and Delete InkJun 25, 2004. In my previous articles, I discussed how to use Ink and set its properties to draw on a Windows Forms and Windows controls. In this article, I will discuss some more features of Tablet PC Ink including selecting and deleting ink, Ink collection, and Ink object.
  • Using Property Grid in C#Jun 30, 2004. Property Grid control is one of the control we deal with all the time when writing UI applications. This article and attached source code shows how to use the Property Grid control in your applications.
  • OneNote 2003 - An IntroductionJul 13, 2004. Microsoft Office OneNoteTM2003 is part of next generation of Microsoft Office products. It allows users to electronically capture, organize, and reuse notes on thick clients.
  • Handling Oracle Max Open Cursor Error when Fetching Multiple Rows in ADO.NETAug 18, 2004. When working with Microsoft technologies, MS SQL Server comes out as a natural choice for the database. While it is a fact that .NET Framework has extensive support for SQL server, when you work with other databases like Oracle the situation might turn out to be a little more tricky than it is with SQL Server.
  • Download Files using HTTP and Proxy Server in C#Sep 21, 2004. This article explains how to pass proxy server network credentials when downloading files using HTTP.
  • MSMQ on Pocket PC 2003Sep 27, 2004. This article builds on top of the existing article "MSMQ, your reliable asynchronous message processing". It will show how MSMQ can be used on Pocket PC 2003 and at the same time provide an introduction to mobile development and the Compact Framework (CF).
  • Build a .NET Solution or Project from the Command Line Sep 27, 2004. Devenv allows you to set various options for the integrated development environment (IDE) as well as compile, build, and debug projects from the command line.
  • Pocket Trilma.NETOct 04, 2004. Pocket Trilma.NET is a Pocket PC version of project Trilma.NET.
  • How to synchronize data in Pocket PC and main databaseOct 06, 2004. The main objective of the article is to present how to synchronize the data between the Pocket PC database and main database using Pocket PC Emulator and Web Service in .NET
  • Bulk Data Transactions using OpenXMLOct 13, 2004. OPENXML is a new function added to SQL Server 2000 that provides a rowset view over an XML document. Since a rowset is simply a set of rows that contain columns of data, OPENXML is the function that allows an XML document to be treated in the familiar relational database format. It allows for the passing of an XML document to a T-SQL stored procedure for updating the data.
  • How to integrate Google searches into your applicationDec 06, 2004. Google has been able to turn the search business up-side-down within the last five years. Google provides a web service interface which allows you to integrate Google searches right into your application.
  • Passing Values between User Controls and ASPX PageJan 20, 2005. This article is for beginners who are learning. NET. This will be really helpful for them. Beginners will be wondered how to pass values between User Controls and ASPX page .In this article I have listed some of the ways through which you can access and set the User control values in an ASPX page.
  • Rotating the text display on a Pocket PC/Win CE deviceFeb 01, 2005. In this article let us try to understand why rotating a text/bitmap is difficult to achieve on a Pocket PC 2003/Win CE 4.2 device.
  • 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.
  • Web Based Chat ApplicationMar 15, 2005. The article explains about devloping a chat Solution in ASP.Net / C# which is differnt than any of the available solutions and works under any firewall and browser settings.
  • Posting to another .aspx using ASP.NET Mar 19, 2005. ASP.NET wont allow to post back to another aspx page. It will post back to itself. If you specify action attribute it will ignore it. If you omit the method attribute, it will be set to method="post" by default.
  • Biology Inspired Computing Work in C#Mar 29, 2005. Biology teaches us a set of rules defined by nature that have evolved over millions of years. So, if you want to put intelligence into something simplifying the world around you into basic rules can give you a big head start.
  • 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.
  • Floating-Point in .NET Part I: Concepts and FormatsApr 18, 2005. The first in a three part series, this article introduces the basic concepts of floating-point arithmetic: number formats, accuracy and precision, and round-off error.
  • Creating Reports in C# using Crystal Reports with Xml data DefinitionsMay 22, 2005. This article explains how to extract data into a Crystal Report created outside a C# project using xml data definitions and data sets.
  • 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.
  • OOPs Concepts and .NET Part 1: Classes, Objects, and StructuresJun 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. The first part will examine the concepts of classes, objects, and structures. The second part will examine the concepts of inheritance, abstraction, and polymorphism. The third and last part will examine the concepts of interface, multiple interface inheritance, collections, and overloading.
  • 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.
  • Programming with .NET Compact Framework 1.0 and SQL CE 2.0 : Part IJul 26, 2005. This article covers various major components for developing application for PDA .Before developing application targets to PDA device its very important to understand .NET compact framework, supported/unsupported features for smart device development, Difference between .NET compact framework and .NET framework and of course SQL CE if you want to store application data in SQL database.
  • ASP.NET Session StateSep 21, 2005. Session state is nothing more than memory in the shape of a dictionary or hash table, e.g. key-value pairs, which can be set and read for the duration of a user's session.
  • Windows Forms 2.0 MaskedTextBox ControlNov 10, 2005. The MaskedTextBox control is a TextBox with mask feature, which allows you to set the format of the data of TextBox such as zip code, date, time, social security, and phone number.
  • Databinding with Pocket PCNov 11, 2005. This articles shows how to write data-driven applications for Pocket PC using ADO.NET and .NET Compact Framework.
  • Manage and Administer ASP.NET Web Sites in Visual Studio 2005Nov 16, 2005. ASP.NET Configuration Wizard is a new feature available in Visual Studio 2005, which takes care ASP.NET Web Application configuration and deployment problems and allows developers to set Web application settings using a visual interface.
  • Sudoku generating and solving using C# in PocketPC SDKNov 20, 2005. The article is about a program writen in C# to create a simple game application - sudoku. The game can generate several diffculty level sudokus with one solution, solve previously entered puzzles etc.
  • ADO.NET Enhancements in .NET Framework 2.0 for SQL Server Data Provider: Part IJan 04, 2006. ADO.NET 2.0 includes enhancements for SQL Server client application developers. Understanding these enhancements will help you design and implement effective client applications on the .NET Framework 2.0 platform
  • Security Setting for ExcelJan 04, 2006. To run the excel report, security settings are required for excel application because while working with the excel application we are going to use some of the classes for manipulating the data inside the file. This article shows how to grant access or rights to those files.
  • ADO.NET Enhancements in .NET Framework 2.0 for SQL Server Data Provider: Part IIJan 05, 2006. ADO.NET 2.0 includes enhancements for SQL Server client application developers. Understanding these enhancements will help you design and implement effective client applications on the .NET Framework 2.0 platform
  • Visual Guard for .NETJan 19, 2006. Novalys announces Visual Guard, which is aimed at setting up user’s profile and permissions for .net application (who is allowed to do what?). The tool easily integrates to any .net application and makes rights/permissions management easier thanks to its administrating console.
  • Set Web User Control Properties in Design Time Jan 27, 2006. This article will show that how can we initialize properties of web user control when we register it on some web page.
  • AJAX Pager controlFeb 01, 2006. After AJAX Repeater control next logical thing was to try and create paging control, a control which renders paging links when you set its properties like page count and page number, I have been using similar control in asp.net page so I decided to implement same thing with JavaScript.

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