C# Corner

Resources  
  • New Modifiers in C#Jan 26, 2001. If you come from a C++ or Java background to C# then you will of course notice some strange keywords introduced to this new language, especially the "new" and "override" modifiers.
  • Chat Server and Client in C# Using Remoting TechnologyFeb 16, 2001. This application is a simple Chat server and Client, which is conversion of Java RMI chat server and client. The Java client was a Applet and present application client in Windows Forms.
  • Chat Server and Client in C# Using Remoting TechnolgyFeb 16, 2001. The application is a simple Chat server and Client, which is conversion of Java RMI chat server and client. The Java client was a Applet and present application client in WinForm.
  • Sticky NotepadMar 05, 2001. I wanted to experiment with writing a program that would run from the "System Tray" of window (that's where you have the date displayed...) since that's not possible with pure Java.
  • Introduction to SOAPMar 22, 2001. Since the release I have been fascinated with this thing called SOAP, This bubbly new protocol backed by the power of XML is certainly going to make waves in the world of distributed computing. The first thing which comes into our mind is “Why the heck we didn’t think of this before?
  • Assemblies : The Ins and Out : Part IApr 13, 2001. In Part 1, I will cover what exactly an assembly is, and what an assembly contains.
  • Assemblies : The Ins and Out : Part IIApr 16, 2001. In this part, I will discuss both Private and Shared assemblies and how to create a "Shared Assembly".
  • Assemblies : The Ins and Out : Part IIIApr 20, 2001. In this part I will discuss in more detail than Part 2, the available utilities for manipulating assemblies.
  • Line numbering utility in C# and JavaMay 08, 2001. After reading this article Java programmers should be able to decipher and de-jargonize the .NET architecture and relate it with the proposed ECMA standard.
  • .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).
  • Line Numbering Utility in C# and JavaMay 08, 2001. This is the first of the series of programs I wish to write to help myself get a handle on C#.
  • Will Java and .Net Framework Co-exist?May 15, 2001. The article begins by briefly probing what constitutes the Java platform and .NET framework.
  • Control Statemenats - Part 1Jun 01, 2001. This lesson shows how to use c# control statements, and the difference between these controls in C++/ JAVA and c#. Sample includes single selection, if-else, and multi case ..
  • Net DDE to DOTNET RemotingJul 02, 2001. This article travel through time to trace the genesis of Dot Net Remoting right from RPC to RMI till SOAP.
  • Calling Java Program from C#Jul 18, 2001. This article shows you how to call a Java program from C#.
  • Web Services between .NET, Java and MS SOAP Toolkit: Part IAug 24, 2001. WinGhost 2.0 application allows you to show and hide applications running on your machine. I find this program useful at my work as I do lot of programming at any given time I can have a bunch windows open. I use it normally to hide just my windows I don't access that often.
  • Web Services between .NET, Java and MS SOAP Toolkit: Part 2Aug 24, 2001. This second article in this series dedicated to Web services comes as a sequel to the first one in which I started to tell you how you could build different kind of clients and services using MS SOAP Toolkit, Apache SOAP for Java and .NET Framework.
  • Web Service Between .NET, Java and MS SOAP Toolkit - Part IIAug 24, 2001. Second article in this series dedicated to Web services comes as a sequel to the first one in which I started to tell you how you could build different kind of clients and services using MS SOAP Toolkit, Apache SOAP for Java and .NET Framework.
  • Web Services Between .NET, Java, and MS SOAP toolkitAug 24, 2001. This article will try to explain the how you can build web services and/or clients with any of the three languages: .NET, MS SOAP Toolkit and Java. But the real point of the article is to show you how you can build clients for web services from any of above-mentioned languages.
  • Exception Handling in C#Jan 03, 2002. In C# Exception is a class in the system namespace. An object of an exception is that describe the exceptional conditions occur in a code That means, we are catching an exception, creating an object of it, and then throwing it. C# supports exceptions in a very much the same way as Java and C++.
  • Function Overriding and Its Impact During Object InitializationMar 25, 2002. Different languages have different ways to initialize an object. C# and Java both have almost similar ways to initialize an object with few subtle differences.
  • .NET Remoting: The Interface ApproachMar 26, 2002. .NET Remoting provides a powerful and high performance way of working with remote objects. Architecturally, .NET Remote objects are a perfect fit for accessing resources across the network without the overhead posed by SOAP based Web services. .NET Remoting is easier to use than Java's RMI, but definitely more difficult than creating a WebService. In this article, we will create a remote object, and access this object using the Interface.
  • Exocortex.DSP - A C# Complex Number and FFT LibraryApr 08, 2002. Shows how to convert an image from a spatial representation (i.e. picture on the left) to a frequency representation (picture on the right) using a 2D fast Fourier transform.
  • Comparison of C# with Java: A Developer PerspectiveMay 29, 2002. The .NET is a language and operating system (on Windows as of now) independent platform pretty similar to Java.
  • Validation Server Controls in Web FormsAug 05, 2002. When working with Web applications, developers need to write two separate codes using Java Script and VB Script to validate user inputs.In this article we are going to see, how we can reduce the programmers effort on coding, reducing the execution process time and simplify the code handling and less number of lines in the coding.
  • How To Pre-Filter Windows MessagesNov 20, 2002. Sometimes it can be useful to pre-filter messages sent to your program.
  • Singleton Patterns in C# RevisedDec 16, 2002. I am coming from the Java world, where synchronizing the Singleton creation is common practice.
  • 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.
  • The "ins" and "outs" of Using Stored Procedures in C#Jan 27, 2003. This article reviews the creation of stored procedures with parameters using the Visual Studio IDE.
  • PERST: A Simple, Fast, Convenient Object Oriented DatabaseMar 05, 2003. PERST is a simple Object-Oriented Database implemented with pure C-Sharp and Java implementations.
  • J2EE to .NET Migration: Quick TipsMar 26, 2003. Here are some Quick tips to get you started, in case you need to migrate a J2EE based application to a .NET based application.
  • 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.
  • Add Column Dynamically to DataGrid to Display CalculationMay 08, 2003. In this article we'll see how to create a DataGrid column which displays the calculation of more than one field in the database table. The calculation could be addition, multiplication or even filtering rows.
  • Java Like StringTokenizer in C# Jun 11, 2003. The StringTokenizer class is yet another implementation of a java-like StringTokenizer in C#.
  • 2D ChartingAug 11, 2003. I was amazed at what the VS.NET IDE does for a programmer as I was primarily used to Java via the command line.
  • DataSets in Microsoft .NET - Part 2Mar 09, 2004. This article explains sorting, searching and filtering support provided by dataset and data table objects.
  • 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.
  • Web Services-InteroperabilityAug 04, 2004. In this article, we will see what interoperability is all about, comparison between Java and .NET interoperability, the benefits of and challenges faced in interoperability and the role of WS-I in this overall scenario.
  • Creating a Managed Automated Information Agent(mBot)Aug 16, 2004. mBot manages multiple RTC Client objects and exposes interfaces to them via .Net Remoting and .Net Web Services so that they can be managed and used remotely by other .Net applications or from entirely different platforms such as a Java J2EE/SOAP application like Jabber running on Linux or Windows.
  • Writing unsafe code - pointers in C#Oct 13, 2004. In this article I will give a short description of one of the feature of C# which are pointers and so-called unsafe code. This subject is particularly close for C++ programmers. Moreover, it is a feature that we do not find in Java.
  • DNS QueryAug 18, 2005. This example shows similarity of c# and java and how to implement dns query.
  • Migrating from Java to C# Oct 03, 2005. Microsoft has created a tool called Java Language Conversion Assistant (JLCA), which automatically converts Java code into C# for developers who want to move existing applications to the .NET Framework.
  • Navigating Data Grid using Client ScriptingNov 10, 2005. It's very common practice to use the Data Grid to present data over web pages. Though the Data Grid is provides the richer UI presentation if not coded and handled effectively it can have great performance issues. This article gives the code sample for navigating the data grid using the Client Scripting (thereby can be used for lots of validation before doing the Post Back to the server) and minimizing the round trip to server
  • How to Select all Checkbox when Header Checkbox is SelectedDec 30, 2005. Here I have provided the code using javascript to check/uncheck all checkboxes when header checkbox is checked. I recommend JAVA Script because its executed at client side and saves request Round-Trip time.
  • Web Service : Asynchronous call by using Java Script and DHTML behaviourDec 31, 2005. This article shows how to make asynchronous call of web service by using Java Script and DHTML behaviour.
  • Migrating Java RMI to .NET RemotingJan 16, 2006. .Net Remoting and Java RMI are mechanisms that allow the user to invoke method/methods in another address space. The other address space could be on the same machine or a different one. These two mechanisms can be regarded as RPC in an object-oriented fashion. This article describes how to migrate java RMI applications to .NET Remoting applications, with practical examples.
  • An Introduction to C# GenericsFeb 06, 2006. There is a reality; most of the developers confuse about C# Generics. Actually, there is no reason for that. If your background comes from C++ or Java you may understand more easily. What “Templates” tell you from your C++ knowledge or “Generics” from Java.
  • Web Services for .NET and J2EE InteroperabilityFeb 13, 2006. Web services technologies are designed to support the interoperability between many different application development platforms that exist today. This article is focused on the fundamentals of .NET and Java interoperability using Web services technologies.
  • Integrating .NET Web Services with Java and classic ASP Clients for InteroperabilityFeb 13, 2006. The goal of this article is to show to integrate Microsoft's .NET Platform Web service with other platform like Java and ASP. The samples demonstrate basic techniques and principles that are used to cross-platform interoperability via Web services.
  • Top 10 Reasons to Switch from Java to Visual C#Jun 03, 2006. This article details the major reasons for Java programmers to consider switching from the Java language to Visual C#.
  • Client-Side XML Data Islands Jun 17, 2006. This article demonstrates how to send xml data to the web client, filter records from xml at client side by using XPath expression and populate all products of selected category into product drop-down.
  • Six C# features Java developers will kill for...Jun 21, 2006. C# is called Java on steroids, and everyone agrees that it is based on some long-time Java ideas and concepts. But, there are differences, and some of them make C# very powerful compared to Java. Here are six of them.
  • Using LINQ in Visual Studio 2005Jul 03, 2006. LINQ (.Net Language Integrated Query) is the general-purpose standard query operators that allow traversal, filter and projection operations to be expressed in a direct yet declarative way in any .Net programming language.
  • Six Java features C# developers will kill for...Jul 06, 2006. Not everything on the .NET framework is perfect, and Microsoft still has more improvements to implement. This time we will look at six features available to Java developers but unfortunally absent from C#.
  • A Basic .NET and J2EE Interoperability using WebSphere MQ Sep 13, 2006. This artile explains a Basic .NET and J2EE Interoperability using WebSphere MQ. It shows the sending of message from DotNet Application then consuming by Java application using Websphere MQ and vice versa.
  • Implement Microsoft DirectX Image Transformation Filters in ASP.NET 2.0Dec 07, 2006. This article describes an easy approach to creating custom Web controls used to display Microsoft DirectX Image Transformation filter effects in an ASP.NET 2.0 web page.
  • Image ProcessorJan 25, 2007. This article shows a light-weight image processor.
  • Cannot perform '>' operation on System.DateTime and System.DoubleFeb 22, 2007. I get error "Cannot perform '>' operation on System.DateTime and System.Double" when applying a filter on DataView.
  • Introduction to Building a Plug-In Architecture Using C#Sep 10, 2007. In this article we'll take another look at how we can use the state pattern to build a plug-in architecture that will allow us to change the behavior of our application by placing differnt plug-ins into a folder.
  • Filter Data to Display in a Crystal Report Viewer ProgrammaticallyDec 10, 2007. This article describes how to filter data to display, export or print programmatically using the selection formula property of the crystal reports viewer control.
  • ASP.NET Multiple File UploaderJan 04, 2008. This article tells you how to allow users to upload more than one file at a time.
  • How C# is Different From JavaJan 17, 2008. This article describes the various differences between C# and Java.
  • Filter data dispalyed in a DataGridView using BindingSource and DataViewFeb 27, 2008. In this article i will show you how to use the BindingSource or the DataView to filter data in a given data grid view.
  • Comaprission of dates for a year in JavaScriptFeb 29, 2008. This article and code snippet shows how to use JavaScript to validate dates in a method for a year.
  • Creating a filtered list of customers on a mobile deviceMar 05, 2008. The article demonstrates how to create a sophisticated filtered customer list on a Windows Mobile device using Resco AdvancedList control.
  • Strategies to Implement a Multi-Criteria FilteringMar 06, 2008. This article provides you different ways to implement a multi-criteria filtering.
  • 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.
  • Using Filter Expressions with an SQL Data Source in ASP.NET C#Oct 07, 2008. This article describes the use of filter expressions in junction with an SQL Data Source.
  • Password Encrypted Zip files in C# Oct 27, 2008. This article contains the source code for creating Zip files in C# that are password protected using PKWare encryption.
  • The Two Interceptors: HttpModule and HttpHandlersDec 23, 2008. Many times we want to implement pre-processing logic before a request hits the IIS resources. For instance you would like to apply security mechanism, URL rewriting, filter something in the request, etc. ASP.NET has provided two types of interception HttpModule and HttpHandler.
  • Secrets of Map and Filter FunctionsFeb 19, 2009. This article explains about C# Implementation of Map and Filter Functions
  • Introduction to Visual Studio Add-insMar 03, 2009. This article explains about Visual Studio 2008 Add-ins.
  • Introduction to Interfacing Win Forms with VS Add-insMar 04, 2009. This article explains about integration of Windows Forms with Visual Studio Add-ins.
  • Building your own Java Script EditorMar 23, 2009. A step by step guide for implementing your Java Script editor.
  • Paging and Sorting ListViews with ASP.NET MVC and jQueryMar 23, 2009. This article provides a simple example of using jQuery along with the jQuery tablesorter and tablesorter.pager plug-ins to provide sorting and paging support for a listview within the context of an ASP.NET MVC application. JQuery has partnered with Microsoft and is now integrated within the IDE to include the availability of intellisense support.
  • Custom Action Filter in ASP.Net MVC applicationJun 26, 2009. This article will give an introduction of Action Filter in ASP.Net MVC framework. This will also explain how to create a custom Action filter.
  • Filtered TextBox in Silverlight 3Nov 11, 2009. In this article we will see how we can filter a Textbox on Keyboard inputs.
  • Lambda Expressions are WonderfulDec 02, 2009. Lambda expressions are simple to use and make routine tasks such as sorting or filtering Lists much easier.
  • How to Return Value from Javascript to Server Side Dec 30, 2009. This article will teach you how to retrieve JavaScript functions Return Value to Code Behind
  • RIA Services in Silverlight 4 Using VS 2010 BetaFeb 19, 2010. In this article we will see how we can filter a Textbox on Keyboard inputs. We will see how we can block Numeric input from Keyboard.
  • LINQ to Object Part #2: Filtering and SortingMar 04, 2010. In this article, I am going to show you how we can achieve filtering and sorting using LINQ to object.
  • New features of Visual Studio.NET 2008 and JDeveloper 11gMar 08, 2010. In this article, I want to explain the new features of Visual Studio.NET 2008 and JDeveloper 11g which are the IDE provided by Microsoft and Oracle for the development of enterprise application for .NET and Java platform.
  • Custom WSE 3.0 Policy Assertion - Modifying the Security Header Generated by WSEMay 04, 2010. Recently I encoutered an issue in the WSE security header of an ASP.Net application consuming a Java web service using WSE 3.0 involving the automatic addition of a timestamp in the security header when the UsernameToken is added to the RequestSoapContext.
  • Book Review: Clean Code - A Handbook of Agile Software Craftsmanship May 05, 2010. I recently purchased Robert Martin's book Clean Code. Although all the examples are in Java, 99% of the book applies to C# programmers. This articles summarizes some of the main points.
  • MSN Video Chat ApplicationJun 03, 2010. This application allows any person on the Internet to use Messenger Services. There are several Messengers working parallel with MSN Messenger. aMSN, Pidgin, Miranda, Mercury(Java MSN Messenger Client) are some of them.
  • Writing Equivalent LINQ Expressions in F#Jun 07, 2010. In this article we will compare LINQ expressions to the equivalent F# expressions for an F# List and show how to use projection, filtering, and other LINQ goodies in F#.
  • LINQ to SQL in C#Jul 24, 2010. This article provides an introduction to employing LINQ to SQL within a Windows Forms application; the article will address the incorporation of LINQ to SQL into a win forms project, how to use LINQ to SQL to select, insert, update, and delete data, and how to use LINQ to SQL to execute stored procedures.
  • Using C# and the Excel AutofilterAug 16, 2010. Using C# and the Excel Autofilter.
  • Working with Data View Web Part in Sharepoint ListAug 16, 2010. In this article I am showing you how to create a simple data view web part to display data from SharePoint list. It has filter and grouping enabled.
  • HTTP Modules in ASP.NET Request life cycleAug 20, 2010. HTTP module is a .NET Framework class that implements the IHttpModule interface, they called as ISAPI filter in IIS stack so modules are counterpart in ASP.NET, have ability to intercept and handle system events and other modules events.
  • Iterator Design Pattern Sep 20, 2010. The Iterator pattern provides a way of accessing elements of a collection sequentially, without knowing how the collection is structured. As an extension, the pattern allows for filtering elements in a variety of ways as they are generated.
  • What is Iterator Design Pattern?Oct 24, 2010. The Iterator pattern provides a way of accessing elements of a collection sequentially, without knowing how the collection is structured. As an extension, the pattern allows for filtering elements in a variety of ways as they are generated.
  • Connection Strings for SQL Server 2008Dec 20, 2010. SQL Server 2008 includes better compression features, which also helps in improving scalability. It enhanced the indexing algorithms and introduced the notion of filtered indexes. It includes capabilities for transparent encryption of data (TDE) as well as compression of backups.
  • Garbage Collector in .NETDec 27, 2010. Garbage Collector is common term for developers working with high level languages such as Java, .NET, Ruby etc.
  • Filterable DataGridView using Linq and reflectionsJan 17, 2011. In this article we will see how to make a Filterable DataGridView using Linq and reflections.
  • Image Filters using HTMLJan 28, 2011. Filters give a great variety of visual effects in web pages dynamically. We will see different types of filters in this article.
  • Populating AutoCompleteTextbox via WCF Service Asynchronously in SilverlightFeb 02, 2011. So here in this article we will use a WCF web Service to pull the data and populate in textbox, and also apply custom filtering to populate only those data for which user is requesting.
  • Applying Custom Filtering with AutoCompleteTextbox in SilverlightFeb 02, 2011. The AutoCompleteBox fuses a text entry with a drop-down list of suggestions. This feature is a common sight on the Web, powering everything from the search box on the Google homepage.
  • Extending Collections in .NETFeb 24, 2011. Recently I found myself adding custom code to convert the collections to DataViews so that I could assign my filters and let the View take care of the rest. In this article I will try to cover the problem, design, and solution implemented.
  • SQL Server 2008 Recovery ModelsMar 01, 2011. SQL Server is a database management system that includes several data management and analysis technologies. It includes better compression features, which also helps in improving scalability and enhancing the indexing algorithms and introduce the notion of filtered indexes.

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