C# Corner

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  • 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.
  • 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#.
  • 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.
  • SQL Programming using .NETFeb 01, 2001. This program shows several data objects, some draw backs of each and some interesting things.
  • A Complete Virtual Shop Web Service in C#Apr 10, 2001. This is a complete web service example using C#. In this web service, I have build a complete virtual shop to buy and review products.
  • 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.
  • Connecting to a Text file using ADO.NET Apr 20, 2001. A simple step by step tutorial shows you how to connect to a text file using ADO.NET and C#..
  • 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.
  • Connect to an Oracle DatabaseMay 03, 2001. This sample code shows you how to connect to an Oracle database using C#.
  • Working with Data Bound ControlsAug 07, 2001. Step by step tutorials teaches you how to use data-bound controls DataGrid, ListBox, and ComboBox controls .
  • Message Box BuilderAug 14, 2001. This program will help you using MessageBox Class. Program generates code from what you choose.
  • 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.
  • 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.
  • Creating a Custom Data AdapterDec 03, 2001. A good programmer needs to know how to work with ADO.NET DataAdapters at the code level.
  • 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.
  • 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.
  • 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.
  • Web Services: Basics and Beyond Part 3Apr 30, 2002. This article series shall attempt an explanation that will go beyond the basics of web services.
  • .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 Generic Data Access ComponentJul 17, 2002. I've received couple of emails people asking me how can they use a common data provider to access various types of data sources without loosing the power and flexibility of native data provider libraries.
  • Writing a Generic Data Access ComponentJul 17, 2002. OK, I've received couple of emails people asking me how can they use a common data provider to access various types of data sources without loosing the power and flexibility of native data provider libraries.
  • A Generic Data Access Component using Factory PatternJul 24, 2002. Another way to solve this problem is to utilize the System.Activator class and a factory pattern to create the concrete provider classes as was pointed-out in Dan Fox's article "Design an Effective Data-Access Architecture" (.netmagazine, vol. 2, no. 7).
  • A Generic Data Access Component using Factory PatternJul 24, 2002. This article shows to utilize the System.Activator class and a factory pattern to create the concrete provider classes.
  • A Generic Data Access Component using Factory PatternJul 30, 2002. the article A Generic Data Access Component using Factory Pattern provides a very good way of creating ADO.Net data provider independent applications, but there is one problem with it. Different ADO.Net data providers use different approaches in labeling of parameters in SQL statement.
  • 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
  • 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.
  • 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.
  • 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.
  • Access MySQL Server Database using ODBC data providerOct 14, 2002. In this article, I will show you how to access MySQL server database using ODBC data provider.
  • Database Vendor Independent Code with Improved Connection PoolingOct 17, 2002. This article covers how to create a database application that allows you to specify different databases without writing code for different data providers.
  • 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.
  • Accessing Text Files using ODBC Data ProviderNov 12, 2002. In this article, I will show you how to access Access database files using ODBC data provider.
  • Cryptography in Microsoft.NET Part III: Digital CertificatesJan 08, 2003. Part-I and II of this article discussed the basics of cryptography and its applications in real world enterprise solutions. Part-I discussed the nitty-gritty of encryption and its implementation in Microsoft .NET Framework Class Library (FCL). Part-II discussed the hashing and signature algorithms and their implementation in FCL. It also discussed the two common cryptography applications namely digital envelope & digital signature.
  • 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.
  • 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.
  • 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.
  • Custom ComboBoxJul 11, 2003. The attached source code is a C# application that demonstrates how to create a custom ComboBox control in Windows Forms.
  • 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.
  • Authentication and Authorization in ASP.NETSep 09, 2003. There are two closely interlinked concepts at the heart of security for distributed applications - authentication and authorization.
  • A Simple Guide to WMI ProviderOct 14, 2003. This article purpose is to describe how to develop a WMI provider in the .NET framework. There are several incentives for writing this article including the lack of simple examples for writing WMI provider in C#.
  • Oracle Connectivity in .NETDec 03, 2003. This whitepaper takes you through different ways of database connectivity to Oracle database from .NET. This also talks about the advantages and disadvantages of all of these technologies.
  • 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.
  • Real Life SQL and .NET : using SQL with C#: Part XJan 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Oracle Data Provider for .NET: Part VFeb 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.
  • 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.
  • Oracle Data Provider for .NET : Part IFeb 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.
  • Oracle Data Provider for .NET : Part IIIFeb 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.
  • Oracle Data Provider for .NET : Part VIIFeb 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.
  • Oracle Data Provider for .NET : Part IIFeb 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.
  • Oracle Data Provider for .NET : Part IVFeb 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.
  • Generic database access with Mimer Provider ManagerMar 09, 2004. The Mimer Provider Manager uses different plugins to access different underlying ADO.NET providers. Plugins are developed for Oracle, SQL Server, ODBC, and OLE DB.
  • New Features in C# 2.0 : Part 2Mar 10, 2004. In this article I will talk about iterators, anonymous methods, and partial classes.
  • 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.
  • LDAP, IIS and WinNT Directory ServicesAug 05, 2004. Directory Services have gained a lot of traction over the last few years. Directories are repositories of information and can be utilized in many different ways.
  • In-depth Look at WMI and Instrumentation: Part ISep 14, 2004. WMI provides a consistent programmatic access to management information in the enterprise. It uses the typical provider and consumer concept where you have on one side components providing this management information while on the other side management applications can subscribe and consume it.
  • An in-depth look at WMI and Instrumentation: Part IISep 18, 2004. In this second part of the series, you will learn how to work with WMI classes and class instances, and then demonstrates the wealth of information available through the Win32 and IIS WMI providers.
  • 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.
  • Best Practices of CodingApr 13, 2005. This document covers a few recommendations to leverage the quality of the code in .NET using FXCop 1.30 and how to write custom rules through an introspection engine.
  • Generic Data Providers VS Specific Data ProvidersApr 23, 2005. This article explains what are the issues or options we have if we use generic data objects such as IDbcommand, Idbconnection etc in place of specific data objects such as SqlCommand or SqlConnection.
  • Revised C# Control of a DialMay 02, 2005. The C# Custom Dial Control is a custom dial control written using GDI+ and C#. This article and the attached source code is a revised version of my previous article with an extended version of the control.
  • Session Management in Web Garden Using Custom Components May 17, 2005. This article provides an insight on creating a custom Session Manager component using C#.
  • Session Management in Web Garden using Custom ComponentsMay 17, 2005. This article provides an insight on creating a custom Session Manager component using C#.
  • Custom Exception Handling in C#May 17, 2005. This article discusses the implementation of Custom Exception Handling using the existing features of C# .Net.
  • Custom Calendar ControlMay 19, 2005. The Custom Calendar Control described in this article overcomes the limitations of the DateTimePicker by enhancing the capabilities of the existing MonthCalendar Control available in Visual Studio .NET.
  • Custom Mouse-Joystick in C#Jun 10, 2005. It is a custom control that allows you to use your mouse as a joystick.
  • Revised Gauge Custom Control in C#Jun 10, 2005. This is an enhanced version of the custom guage. Enclosed are the source code for the control, and the test program.
  • Custom Assembly in Reporting ServicesJun 30, 2005. This article describes a problem that occurs when you access a custom assembly in your Reporting Services report that does not have sufficient permissions on the resources in your environment. The article also provides simple steps to grant permissions to the custom assemblies that are used in the reports.
  • Custom Error Handling Using ASP.NETJul 07, 2005. Sometimes in your application, you may want to show some decent error messages other than red error messages and some message when page is not found or server is busy. We will see custom error message handling mechanism in this article using ASP.NET.
  • Windows Forms Base ArchitectureJul 14, 2005. This base architecture is well suited for windows based development. This ease the development time required as well as it is developer friendly.
  • Building WebParts in ASP .Net 2.0Aug 08, 2005. Web Parts is a framework built into ASP.NET 2.0 for building highly customizable portal-style pages. End users can customize Web Parts pages by changing the page layout, adding and removing Web Parts, editing Web Parts properties, establishing connections between Web Parts, and more. I would like to share how to build web parts in ASP .Net 2.0. I am providing the source code of application as well.
  • Understanding ADO.Net Provider Factory in .Net 2.0Aug 08, 2005. This article describes the ADO.NET Provider Factory in .NET 2.0
  • M.S. Visio AutomationAug 19, 2005. This article demonstrates the flexibility of Visio products as a development platform by describing the customized business solutions.
  • Getting Data Providers Details in ADO.NET 2.0Aug 19, 2005. In ADO.NET 2.0, there is a new addition of DB provider factory classes, which allow developers to get the information about the data providers available (installed) on a machine.

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