C# Corner

Resources  
  • 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.
  • 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 in C#Dec 21, 2000. A ColorDialog control is used to select a color from available colors and also define custom colors. This article demonstrates how to use a ColorDialog in Windows Forms and C#.
  • 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.
  • 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.
  • Handling Mouse Events in C#Jan 25, 2001. This article explains how to handle mouse events in C# or VB. In C#, you write a delegate and then write an event handler.
  • 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.
  • 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.
  • Creating a Login User ControlApr 16, 2001. In this article, we have started with an introduction to the UserControl and have learnt to use the ADO+ DataReader.As we seen User Controls simplifies several common Web application scenarios.User Controls allow developers to easily define custom controls using the same programming techniques for writing Web Forms.
  • Defining Custom Entry PointsApr 30, 2001. In this article i am going to demonstrate how we can manipulate the IL code to change the behaviour of how the .NET programme executes.
  • 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.
  • Exception HandlingJul 21, 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.
  • Developing Windows Applications Jul 23, 2001. This tutorial explains you step by step how to create your Windows Applications using Visual C#.
  • Eater Game in C#Jul 31, 2001. This is a simple game written in C# in which the user moves a packman like player around the form and gobbles up red dots. The object is to get all the dots in as quick a time as you can.
  • Message Box BuilderAug 14, 2001. This program will help you using MessageBox Class. Program generates code from what you choose.
  • Validation Controls in Web Forms: Part IAug 24, 2001. Validation is one of the less talked about areas – often taken for granted.
  • ASP.NET and VB.NET Error HandlingAug 24, 2001. ASP.NET and VB.NET both are providing excellent error handling options when compared with ASP and VB6. In VB.NET we can make use of the structured way of error handling with the Try & Catch statement.
  • Interface Components Interoperability Aug 27, 2001. The fundamental concept behind both COM and DCOM is the interface. An interface is an agreement between a client and an object about how they will communicate with each other.
  • Using Attributes in C#Sep 14, 2001. This article shows how to create custom attribute classes, use them in code, and query them.
  • Exception Handling in C#Oct 17, 2001. Exception handling is a builtin mechanism in .NET framework to detect and handle run time errors.
  • Printing a Ruler using C# and GDI+Nov 12, 2001. If you misplaced your ruler, here's an application that will create one for you on your printer!
  • 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.
  • How to create a "ComboBox button" in a toolbar in .NETNov 20, 2001. You can actually put a ComboBox in your toolbar by just dragging a ComboBox from the toolbox onto the toolbar but if you want the ComboBox to be one of the toolbar buttons, you are out of luck using the regular old ComboBox. One way around this is to use the DropDownMenu style of a ToolbarButton to create a pseudo-ComboBox.
  • Monitoring File System using FileSystemWatcher Class - Part 2Nov 26, 2001. In Part 1, we have seen how to use FileSystemWatcher class. Today I' m giving an example to monitor your file system.
  • Creating a Custom Data AdapterDec 03, 2001. A good programmer needs to know how to work with ADO.NET DataAdapters at the code level.
  • Event Handling in C#Dec 10, 2001. This article shows you how to write control, mouse, and keyboard event handlers in C#.
  • Observer and .NET event delegatesDec 17, 2001. The purpose of this article is to try to introduce observer pattern and compare it to .NET event delegate handling of notifications.
  • Space Invaders in C# and .NETDec 23, 2001. Yes, the classic arcade game has returned and is appearing in C# Corner complete with sound and authentic aliens and source code. It's not quite as good as the real game, but with a few adjustments it can get there.
  • Custom FileDialogJan 18, 2002. The purpose of this article is to give a simple example showing how easy it is to create a custom FolderDialog.
  • Event Handling in .NET using C#Mar 13, 2002. In this article I discuss the event handling model in .NET using C#. The discussion starts with an introduction to the concept of delegates and then it extends that concept to events and event handling in .NET.
  • Low Cost Credit Card VerificationMar 15, 2002. The last digit of a credit card is a check digit that is used to detect keystroke errors when a check card is entered into a computer.
  • Peer-to-peer Chat Program using Asynchronous SocketMar 22, 2002. This is a simple chat program, which uses asynchronous socket to provide connection between two machines.
  • Ripple.NET: A Windows Forms DemoApr 25, 2002. Finally, in the OnPaint Event Handler I clear the Form and step through the rippleLIst drawing each of the RippleObjs in it that has a location Point that's not Empty.
  • MP3 JukeBoxApr 30, 2002. This is stable code and more generic than the first release. It has better error handling now to make it more 'idiot proof'.
  • Using Microsoft Agent with C#May 04, 2002. This article explains how to include MS Agent into an simple Windows Form based application using C#.
  • .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.
  • Sorting MultiColumn ListView Windows Forms ControlMay 20, 2002. If you want to sort on the first column of a ListView, simply click the Sorting in the properties Window and choose Ascending or Descending as a value. If you want to do sorting in all the columns of a ListView, you need to write custom sorting using the ListViewItemSorter property.
  • Case Study: Demo Networking Financial System May 23, 2002. In this tutorial I will discuss some of the design and development issues that one might consider when using .NET framework for developing Network affiliated applications.
  • Custom Error Handling in ASP.NETMay 30, 2002. Structured exception handling is a fundamental part of the CLR and provides .Net programmers a great way of managing errors. In addition to CLR exception system, ASP.Net also provides ways of handling errors.
  • Configuring Applications in .NETJun 06, 2002. The .Net Framework provides a very convenient and flexible way to configure applications at run time.
  • Writing a Single Event Handler for Multiple ControlsJul 22, 2002. Writing a Single Event Handler for Multiple Controls by Giuseppe Russo. Jul 22, 2002. I have noticed that in many articles, I read, people use a longer method of clearing many textboxes, as well as handling more than one control at the same time.
  • Using Installer Classes to Ease Deployment in VS.NETAug 07, 2002. In this article I will demonstrate how to incorporate installer classes with your Visual Studio .NET msi's to handle any supporting tasks that your assemblies may need.
  • DataGrid Customization Part-II: Custom Sorting and DataGrid Column HidingAug 13, 2002. How to I get the name and index of the Column headers? How do I find out if mouse click right click was on a column
  • DataGrid Customization Part-IV:Exchanging a DataGrid Columns using Drag and DropAug 21, 2002. This article covers customized sorting and a DataGrid column hiding programmatically.
  • Creating Strongly Typed Custom Collections in C#Sep 02, 2002. In this article, author shows you how to create and use strongly typed custom collections.
  • Attributed Programming in .NET using C#Oct 04, 2002. In this article, I illustrate the power of attributed programming by examples that show a modular approach to issues that can crosscut many classes. Attributes will provide exciting software development abstractions in the future.
  • Using Error Provider Control in Windows Forms and C#Oct 08, 2002. In this example we will see how to use the ErrorProvider control in Windows forms to provide validations in Windows Forms and display user-friendly error messages to the user if the validation fails.
  • Customize User Interfaces and Pass User Input to Installer ClassesOct 19, 2002. In this article I am going to demonstrate how to customize your MSI install to prompt the user for some information and then pass this information to an installer class. This can be useful when needing to do something during an install based on the user input.
  • Platform Invocation Services in .NET FrameworkOct 25, 2002. This article will cover the details of Platform Invocation Services provided in .Net Framework. Platform Invoke Services acts as a bridge between the managed and unmanaged code. This service enables managed code to call unmanaged functions which are being exposed by any dynamic link libraries (DLL’s) such as Win32 API’s or any custom DLLs.
  • Customize User Interfaces and Pass User Input to Installer ClassesOct 29, 2002. In this article I am going to demonstrate how to customize your MSI install to prompt the user for some information and then pass this information to an installer class. This can be useful when needing to do something during an install based on the user input.
  • The NeFs Application Demo Part 2: Designing Application Oriented Server ControlsOct 31, 2002. This article is part II of a three part demo application dubbed Net-Worked Financial System written in C# and .NET framework.
  • DTS Custom Task in C#Jan 28, 2003. During last year I wrote an article about DTS and how to use it in C#. In that article I stated that I didn’t manage to solve the problem related to CustomTask. Today I finally forced myself to tackle that problem again and here is the result. Writing simple CustomTask in C# is the easiest part.
  • Recording Sheet Music Using C# and .NETFeb 07, 2003. This is a article that allow you to record and replay the music you performed on the piano.
  • Developing Secure Web Sites with ASP.NET and IIS - Part IMar 04, 2003. Developing security for a site is like paying tax. You know it should be done at the end of financial year.
  • Developing Secure Web Sites with ASP.NET and IIS: Part IMar 04, 2003. Developing security for a site is like paying tax. You know it should be done at the end of financial year. But you keep it for the last and some time expect you should never have to do it. It is a similar kind of situation when building a web site. There are some web sites available to general public that can be access by any one. The security for these sites can be minimum or none at all. There are some web sites that publish and hold important information that have to be secure one way or another.
  • 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.
  • Math Equation Editor in C#Apr 07, 2003. The Equation Editor I created in C# allows you to create a few simple equations using the keyboard. With the editor you can open and save files of your equations.
  • Basics of Extending Your Working Environment in Visual StudioApr 10, 2003. Visual studio.net offers a wide variety of options, which enable the user to create custom and personalized Visual Studio working environments.
  • 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.
  • Implementing Custom Paging in ASP.NET DataGrid ControlJun 01, 2003. This article shows you how to implement custom paging in ASP.NET DataGrid control.
  • HTTP Handlers for Images in ASP.NETJun 23, 2003. Have you ever thought of streaming thumbnails just by passing query string indicating width or height of thumbnail you need, and most importantly passing those to image itself?
  • Custom ComboBoxJul 11, 2003. The attached source code is a C# application that demonstrates how to create a custom ComboBox control in Windows Forms.
  • ColorFul Web DropDown List in ASP.NETJul 23, 2003. In this example we will build an ASP.NET User Control which provides a listing of colors with the list items displayed in the actual color that the list item represents.
  • EggTimer in C#Aug 26, 2003. This simple timer app will count down from whatever value is set in the textbox.
  • Custom Exceptions using Microsoft Exception Management Application BlockSep 02, 2003. This article shows you how to use Microsoft Exception Management Application Block to write custom exceptions.
  • Error Logging in ASP.NETSep 02, 2003. I have written some code that provide your system with some nice features on error logging in ASP.NET.
  • 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.
  • Enter Null Values for DateTime Column of SQL ServerSep 26, 2003. Inserting a null value to the DateTime Field in SQL Server is one of the most common issues giving various errors. Even if one enters null values the value in the database is some default value as 1/1/1900 12:00:00 AM.
  • Creating Word Find Puzzles for the Web in C# and GDI+ Part IIOct 06, 2003. This article shows you how to create Word Find Puzzle application for the Web using C#, GDI+, and ASP.NET.
  • Creating Word Find Puzzles for the Web in C# and GDI+ Part IIOct 06, 2003. In our last article we showed you how to create Word Find Puzzles inside of a Windows Form. This article will show you the migration process of bringing it over to an ASP.NET application.
  • A Simple Virtual Voltmeter Using GDI+ and the GP-3 BoardDec 07, 2003. This is a less complex, nevertheless interesting example of how to use the same board to create a simple voltmeter.
  • 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.
  • Deployment: Customizing your .NET deployment ProjectsDec 29, 2003. The fact of the matter is that Visual Studio.NET already contains everything you need to create a rich setup experience for your users. In this article we are going to show you two ways to add a readme dialog to your application, the easy way and the hard way. The easy way requires absolutely no coding. The hard way requires coding and actually allows you to add complex custom features to your application.
  • Data Binding in DataGrid Control using C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataView in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataSet in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataTable in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataReader in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataAdapter in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • DataTable Events in C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • Constructing a DataTable using C#Feb 17, 2004. The ADO.NET DataSet is a data construct that can contain several relational rowsets, the relations that link those rowsets, and the metadata for each rowset. The DataSet also tracks which fields have changed, their new values and their original values, and can store custom information in its Extended Properties collection. The DataSet can be exported to XML or created from an XML document, thus enabling increased interoperability between applications.
  • Oracle Data Provider for .NET : Part VIFeb 20, 2004. Oracle Data Provider for .NET (ODP.NET) is an implementation of a data provider for the Oracle database. ODP.NET uses Oracle native APIs to offer fast and reliable access to Oracle data and features from any .NET application.
  • New Features in C# 2.0 : Part 2Mar 10, 2004. In this article I will talk about iterators, anonymous methods, and partial classes.
  • Downloading Data as a File from a MemoryStream Using a HTTP HandlerApr 07, 2004. This article will show you how to buffer data into a MemoryStream and output the buffered data back to the browser as a text file using a HTTP Handler.
  • Text Transformation using GDI+ and C#Apr 27, 2004. This article shows you how to use GDI+ classes defined in the .NET Framework class library to apply transformations on text.
  • Transporting and Displaying Images using DIME and HTTP HandlersApr 28, 2004. This article shows an example of how to display images stored in a database in a virtual fashion using a Web Service in conjunction with an HTTP Handler.
  • Learning Visual Studio 2005 IDE - The DesignerJun 07, 2004. In this article of Learning Visual Studio 2005 IDE series, I will explore some of the designer features and the breakdown of the classes of a Windows Forms project.
  • 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.
  • Evolving Register Network using Genetic Algorithms in C# Jun 23, 2004. Genetic Algorithms are powerful AI tools because they can evolve through trial and error and converge into a solution. In this article we will use genetic algorithms to come up with an analog solution.
  • Avoid Memory Leaks with Destructor and DisposeJul 01, 2004. Here are two classes that allocate resources, the first class needs to implement a custom destructor and standard Dispose, but the second class doesn't need either.
  • Removing Incoming Emails from MS Exchange in C#Jul 23, 2004. The purpose of one of our projects was MS Exchange handler for processing incoming emails and remove some of the incoming emails.
  • Short Cuts for Toolbar ButtonsJul 26, 2004. This tutorial tells the story about "How to create short cuts for toolbar buttons?".
  • 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.
  • 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.
  • Logging Errors in a XML FileAug 26, 2004. Error handling and logging errors at a common place is something, which is required in every piece of code you write. The attached source code is an error logger class that I've used in all of my applications. This class writes errors to XML files.
  • 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.
  • Moving C Structures into .NET with Custom MarshalingDec 17, 2004. Microsoft provides several attributes for marshaling C to C#. In our example we will take the case where we have hundreds of structures and only a few API calls, so we only need to generate the marshaled code for the structures.
  • Best Practices of Exception ManagementMar 08, 2005. Exception management is one of the key area for all kinds of application development .You should adopt an appropriate strategy for exception management to build high quality and robust application .It is a very powerful concept and makes the development work very easy if its used efficiently.
  • C# Custom Dial ControlMar 17, 2005. This article shows how to create and use custom dial control.
  • Localizable Message Box ControlApr 02, 2005. This is localizable MessageBox control. Buttons on standard windows message box controls are always Yes, No, Abort, Cancel, OK, Ignore, Retry. I needed different text on my message boxes so I decided to develop custom message box control.

About custom-error-handler

NA

SPONSORED BY

File APIs for .NET
Aspose are the market leader of .NET APIs for file business formats – natively work with DOCX, XLSX, PPT, PDF, MSG, MPP, images formats and many more!
techbash 2016