C# Corner

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  • Synchronization in Multi-threadingFeb 13, 2001. This article with sample code shows synchronization concepts of multithreading ..
  • 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.
  • 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 ..
  • A Simple Multi-threaded TCP/UDP Server and Client V2.Sep 24, 2001. This is the second version of my client/server program. The server and the client can be run on the same machine or on different machines. The following is the brief description of the server and the client programs specifically.
  • Socket ChatSep 24, 2001. This is an implementation of a Chat program using sockets. Along with basic chat capability,
  • WinChat For .NETOct 10, 2001. WinChat For .NET is a simple peer-to-peer chatting program that functions very similarly to the WinChat program provided by Windows 2000. It provides all the functionalities that the original WinChat program provides.
  • C# PagerOct 16, 2001. C# Pager is a simple client/server application that implements functions of a pager.
  • 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.
  • Multi-threaded Web Applications - Case I: Search EngineMar 07, 2002. This article is the first of the series of 4. I will demonstrate the use of threading in web applications by implementing a simply search engine. The following 3 articles in the series will be a Port Scanner, a Reverse DNS and a Web Hammer respectively.
  • Multi-threaded Web Applications - Case II: Port ScannerMar 12, 2002. This article continues the 4-parts series of Multi-threaded Web Applications. In the first part, I have demonstrated how you can use multi-threading with ASP.NET to make a web based search engine more responsive, and to reduce the time required to compose the result. In this article, I will demonstrate how you can apply the same technique to a web based port scanner.
  • Multicasting using UDP in C#Apr 04, 2002. The attached source code shows you how to use multi casting in a LAN environment.
  • Multithreading Part I: Multithreading and MultitaskingApr 08, 2002. In this and a series of articles that would follow, we would learn about threads and how to write multi-threaded programs in C#.
  • ADO.NET From Windows DNA's PerspectiveJun 12, 2002. Windows DNA is a framework to build multi-tier, high performance, scalable distributed applications over the network. This article takes a Windows DNA perspective and compares how ADO.NET fits in Windows DNA.
  • 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.
  • Working with Arrays in C#Jul 09, 2002. This tutorial discusses array programming in C# and .NET. It starts with the discussion of simple arrays and then delves into more complex topics such as jagged and multi-dimensional arrays. In the end, it discusses the Array class and it's methods for searching and sorting an array's items.
  • Working with COBOL Data Groups in C#Sep 11, 2002. In this article we will begin with a C# console application calling a COBOL DLL file. The C# application will pass it a number of occurrences to create in the table (much like a user requesting a specific number of months to report on).
  • Drawing Shapes using ThreadingOct 25, 2002. This is simple multi-threading program that draws circles and rectangles. Each shape is handle by individual thread that created every time you press start button. Using sleep method on each thread we can change the speed of each shape.
  • Consumer/Producer Multithreaded ProgramNov 04, 2002. This is simple multi-threading program that adds and removes elements in an ArrayList. Producer button will creates a producer thread that adds elements in to the ArrayList. The maximum number of elements can be added to this ArrayList are 100 elements and the producer thread has to wait until the consumer thread/threads (creates by pressing consumer button) removes elements from the ArrayList. Then Producer thread starts to add more elements to the ArrayList.
  • Client Server Multithreaded ApplicationNov 08, 2002. This is simple Client/Server (multi-threading) program that transfers data. Server can handle multiple clients.
  • Use Thread Local Storage to Pass Thread Specific DataMar 18, 2003. The specific thread level storage is known as thread local storage or TLS for short. The .NET threading namespace allows .NET developers to use TLS from within their multi-threaded applications to store data that is unique to each thread.
  • MWControls v1.0.3.0May 05, 2003. This latest version includes Multi Select TreeView Control which lets you choose between a few different ways of selecting TreeNodes.
  • Interlocking ThreadsSep 10, 2003. Recently, I was building multi-threaded applications and noticed some intermittent data inconsistency. Soon, I found the culprit was locking mechanism. After doing some research, I gathered the following information and as usual decide to share with you guys.
  • Events Programming in C# Nov 24, 2003. In this article, author discusses the events model in .NET and how to implement events in your applications using C#.
  • Localization in COBOL .NETJan 09, 2004. This article will show you how to use the power of LOCALIZATION within Visual Studio .NET to create one screen and have it display different languages.
  • Real Life SQL and .NET: Part VIJan 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.
  • Microsoft Application Center 2000 - An IntroductionMar 17, 2004. Application Center 2000 is Microsoft's deployment and management tool for high-availability Web applications built on the Microsoft Windows 2000 operating system. Application Center 2000 makes managing groups of servers as simple as managing a single computer.
  • Microsoft Application Center TestOct 13, 2004. Application Center Test (ACT) stress tests Web servers and analyze performance and scalability problems of Web applications. ACT simulates a large group of users by opening multiple connections to the server and rapidly sending HTTP requests. It also supports several other authentication schemes and the SSL protocol, making it ideal for testing personalized and secure sites.
  • Best Approach for Designing Interoperable Web ServiceMar 15, 2005. This article will clarify and explain in detail the different Web Service Design Methodologies as defined by the Web Services Standardization Groups, clarify the terms, highlight their differences.
  • SmartPhone Album Program with C#Mar 16, 2005. This article shows how to represent image’s thumbnail in ListView control, how to work with multi-forms and pass information with each other in a smart phone application, how to do simple image-processing, how to scroll picture in a picturebox and use the smart phone’s dpad keys.
  • Evolving into an N-Tier ApplicationMar 23, 2005. This article gives description about evolution of N-tier application.
  • Insert Master-Detail Data using Transact-SQLJun 24, 2005. Microsoft SQL Server 2000 SQLXML allows among other things to manage batch operations in a database, which reduces significantly the need of more than one round-trip to a database. OpenXML is a Transact-SQL statement that allows to represent data in XML format and can be used to insert, update, and delete more than one row (represented by an element) in a table or group of tables.
  • Exploring Security in .NET: Part IJul 05, 2005. This article highlights some of the key concepts of .NET Security like Code Access Security, Evidence based Security and many more.
  • Multi Selection of DataGrid Rows without Ctrl ClickJul 31, 2005. This article shows how to select multiple rows in a DataGrid without using CRTL.
  • ASP.NET 2.0 MultiView ControlOct 09, 2005. A View control is a container of multiple controls and a MultiView control works as a container of groups of View controls. In this article, I will discuss how to work with View and Multiview controls.
  • The GrouperJan 25, 2006. The Grouper is a special groupbox control that is rounded and fully customizable. The control can paint borders, drop shadows, gradient and solid backgrounds, custom text and custom icons.
  • How to Build Multi-Language Web Sites with ASP.NET 2.0 and VS.Net 2005Feb 06, 2006. In this article, we will explore the necessary details for working with resources in ASP.NET applications and for creating international ASP.NET applications based on embedded resources and the integrated localization support.
  • Code Access Security using C# in VS.NET 2005Feb 17, 2006. This article will focus on the definition and configuration of the Code Access Security Policy.
  • Multi Threaded File Reader and GeneratorMar 07, 2006. The attached source code with this article is a multithreaded application written using .NET 2.0 that shows how to use the background worker threads to read a text file, generate reports and show report progress and completed events.
  • Authenticate a user against the Active DirectoryApr 05, 2006. This article serves as a guide to using System.DirectoryServices (SDS) ADSI to access user and group in the Windows Active Directory. Authenticate a user against the Active Directory using the user ID and password.
  • Dynamic Data Grouping using MS Reporting ServicesAug 07, 2006. This article shows to generate multiple outputs from a single physical report template using dynamic data grouping.
  • Selective Validation in ASP.Net 2.0Sep 22, 2006. In this article, we will explore the Validation Groups feature introduced in ASP.Net 2.0.
  • Tip: How to add a Page Header to a Sub Report in Crystal Reports?Oct 09, 2006. Sub Reports in Crystal Reports do have report headers but do not support page headers. Wonder why? We can mimic the functionality with the help of a formula and a Group.
  • Building the ListBoxesFT_C ASP.NET Web User Control in Visual Studio 2005: Part INov 07, 2006. In multi-part article, I share how you can build your own ASP.NET web user control.
  • Building the ListBoxesFT_C ASP.NET Web User Control in Visual Studio 2005: Part IINov 09, 2006. In multi-part article, I share how you can build your own ASP.NET web user control.
  • Building the ListBoxesFT_C ASP.NET Web User Control in Visual Studio 2005: Part IIINov 10, 2006. In multi-part article, I share how you can build your own ASP.NET web user control.
  • Building the ListBoxesFT_C ASP.NET Web User Control in Visual Studio 2005: Part IVNov 11, 2006. In multi-part article, I share how you can build your own ASP.NET web user control.
  • Building the ListBoxesFT_C ASP.NET Web User Control in Visual Studio 2005: Part VNov 15, 2006. In multi-part article, I share how you can build your own ASP.NET web user control.
  • Mimic the Appearance of Outlook's Sidebar with the Multi-view ControlDec 14, 2006. This article describes a simple way to mimic the appearance of Microsoft’s Outlook sidebar within an ASP.NET 2.0 web application. The approach is based upon the use of the existing Multi-View control contained in the standard ASP.NET 2.0 toolbox and does not require much time or effort to implement. This article includes a sample web application that presents an example of the approach in use.
  • Using a Genetic Algorithm to Do Consultant Scheduling in C#Apr 09, 2007. This article describes a way to use a type of genetic algorithm called PBIL (Population Based Incremenetal Learning) to optimize the scheduling of consultants on a group of 5 project.
  • Multi-threaded Asynchronous Programming in C#... Getting started.May 12, 2007. Trying to build better solutions and growing as a developer has always been fun for me and I’m always looking for ways to build more scalability and robustness in the software I am writing. I had a revelation that I’ve been doing a lot of C# tweaking but not taking advantage of the core performance enhancements cooked right into C# and it all comes down to one thing: Asynchronous multi-threaded programming.
  • C# Asynchronous, Multi Threaded Development... Digging In. Part IIMay 13, 2007. In this article we'll dig a bit deeper into what is actually happening when we use the asynchronous calls using C#. Just as in my previous article, we'll simulate a long running I/O bound process as if we were fetching records from a database, making a web service call or reading or writing from a file and see how we can write more performant code by letting the main thread continue on and not wait for the results. 
  • Multi-threaded Asynchronous Programming in C#... Event-Driven Architecture. Part IV.May 14, 2007. This is a continuation of a set of articles on Asynchronous multi-threaded development using C#. In this article we'll cover the basics of building an event-driven architecture which will be a basis for most multi-threaded apps. Also we'll cover async read/write operations on a file.
  • Multi-threaded Asynchronous Programming in C#. Async Database Calls. Part III.May 14, 2007. In my last couple articles we looked at basic ways to have long-running i/o bound process be handled by the ThreadPool using the asynchronous programming model. In this article we’ll take a look at coding async calls against SqlServer which really comes in handy in production environments where our database is on another machine.
  • Multi-threaded Asynchronous Programming in C#... Through The Web Service. Part VMay 27, 2007. In my last article I discussed a general approach to building an async architecture. In this article we’ll look at extending this basic architecture and incorporating async web services.
  • Difference between Composition and Aggregation Jul 27, 2007. Apart from programming, a lot of my spare time sat at the computer is spent reading group, blog postings, etc from other developers. One particular posting that caught my eye recently provoked a lot of response and mixed answers to a question posed by a poster. This question was, ‘What is the difference between composition and aggregation and how would I express it in my programs?’
  • Multi-threaded Asynchronous Programming in C#... Through The Web Page. Part VIJul 27, 2007. Async web pages which are primarily used as a server performance enhancement. There are two main methods we will be looking at that are used to execute operations asynchronously from web pages: Page.AddOnPreRenderCompleteAsync() and Page.AddOnPreRenderCompleteAsync().
  • C# Asynchronous Multi-Threaded Active Directory User/Group BrowserOct 01, 2007. I was working on a win forms project that queries Active Directory information for user and group information and thought the approach may be of interest to some c-sharpcorner readers as a simple example of a asynchronous multi-threaded win forms application.
  • Cartesian Products and Permutations of Groups Using C# Generic IteratorsOct 09, 2007. Many problems we run into as developers deal with slicing and dicing groups of objects. In this article I'll cover building a library of utility methods using C# object enumerators to perform group permutations and find Cartesian products of groups.
  • 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.
  • Functional Programming with C#: Asynchronous Method CallsJan 20, 2008. With the functional programming style and extension methods it is extremely easy to execute methods asynchronously. This article cover some simple extension methods that will allow you to easily execute your methods asynchronously with threads from the thread pool.
  • Strategies to Implement a Multi-Criteria FilteringMar 06, 2008. This article provides you different ways to implement a multi-criteria filtering.
  • Data Validation Controls in ASP.NET 2.0Apr 11, 2008. In this article, you will learn about the support that ASP.NET provides to you for performing data validation.
  • Configuration Sections- Create a configuration section group and retrieve configuration information from it: Part IVApr 18, 2008. In the previous article , we demonstrate how to create a custom section with custom attributes using the ConfigurationSection class and IConfigurationSectionHandler interface.
  • Test for User Group Membership in ASP.NET C#Oct 13, 2008. This article describes a simple approach to determining whether or not a logged in user is a member of a group within the context of an asp.net web based application.
  • Test for Desktop User Group Membership with C#Nov 10, 2008. This article describes a simple approach to determining whether or not a logged in user is a member of a group within the context of a desktop application. The approach shown relies upon the use of the user’s current Windows identity.
  • .txt file in multi line textbox in ASP.NET 2.0Jan 07, 2009. How will you display .txt file’s text in multi line textbox through ASP.NET 2.0?
  • Architecture FAQ for Localization and Globalization: Part IFeb 02, 2009. In this article we will go through a series of FAQ which will give you a quick start on making application multi-language based.
  • Architecture FAQ for Localization and Globalization: Part IIFeb 03, 2009. This article is Part 2 of "Localization and Globalization" in this we will go through a series of FAQ which will give you a quick start on making application multi-language based.
  • Integrating LDAP Active Directory into your .Net Web Portal (C# or VB.NET)Mar 04, 2009. This article will guide you through the best practices and method of using LDAP Active Directory as your user store for credentials and account information in your web applications or portal that you will develop in C# or VB.Net.
  • Dealing with controls within a multi threaded contextMar 19, 2009. In this article I will provide a technique of how to avoid invalid cross threaded operation and I have taken an example of dealing with controls within a multithreaded context to demonsrate how to avoid such trouble
  • Silverlight MultiScaleImage ControlMar 24, 2009. The MultiScaleImage object represents an Image control that is used a multi-resolution image that is generated by the Deep Zoom Composer and can be zoomed and panned. This article demonstrates how to use a MultiScaleImage control in Silverlight using C#.
  • Accessing Windows Forms Controls Across ThreadsApr 23, 2009. Many articles exist on the web regarding properly handling multiple application threads and accessing data across those threads, but this article will aim to remove much of the ambiguity or inacurate information found in many other articles.
  • Instance Management in WCF Part # 1Jun 19, 2009. This is first part of multi series articles. This article is giving introduction of Instance Management. This article will explain about Per-Call Instance management technique as well.
  • GridView Multicolumn sortingJul 09, 2009. GridView's built-in sorting can be enabled by setting a data source and AllowSorting property to true. Click on column header to sort based on the SortExpression specified in the Gridview column. However, Gridview does not support multi column sorting which is required in day to day application. So here is how I tried to create one:
  • Delegates in C#Jul 24, 2009. In this article let us learn about Delegates in C#.
  • WCF 4.0 Features: Part IJul 27, 2009. This article is first part of multi series article on WCF 4.0. This article will list all the new feature of WCF and also will explain in detail Dynamic Service and End Point Discovery feature of WCF 4.0.
  • Radio Button Grouping in Silverlight 3 Application Jul 30, 2009. In this article we will see how we can achieve multi grouping in Silverlight.
  • Grouping in DataGrid in Silverlight 3 ApplicationAug 10, 2009. In this article we will see how Grouping can be achieved in DataGrid in a Silverlight 3 application.
  • Multi Grouping in DataGrid in Silverlight 3 ApplicationAug 10, 2009. In this article, let's see multi grouping in DataGrid in Silverlight 3 application.
  • Multiple user insertion in Sharepoint listSep 23, 2009. In this article, I am going to explain, how to insert multi user or more than one user in Sharepoint list.
  • Working with COBOL Data GroupsOct 19, 2009. COBOL programmers have used data groups to package data together for a long time. How though does a non-COBOL user access the data being used by the COBOL programs?
  • New Features in SQL Server 2008Oct 26, 2009. Here are some of the new features added to SQL Server 2008.
  • DOM Overview Nov 20, 2009. In this article I will explain you about DOM.
  • Multi Select Delete in DataGrid in Silverlight 3Dec 01, 2009. In this article we will see how we can have a CheckBox Column. And with the help of CheckBox we can multiselect rows and perform delete operation.
  • Grouping and Sorting in ListBox in WPFDec 07, 2009. In this article we will see how we can group elements in ListBox.
  • ListBox Group Header Expand and Collapse in WPFDec 08, 2009. In this article we will see how can we expand and collapse the header and its contents.
  • An Algorithm for Grouping Data On One Or More Fields Using A DataReader in .NetJan 18, 2010. In this article you will learn how to use Algorithm for Grouping Data On One Or More Fields Using A DataReader in .Net
  • Download File Using Multithreading in Windows FormsJan 29, 2010. This article explains how to download's file using multi threading.
  • Grouping in Datagrid in WPFMar 05, 2010. In this article we will see how to have Grouped rows in DataGrid in WPF.
  • LINQ to Object Part #3: GroupingMar 08, 2010. In this article, I am going to show, how we could achieve grouping in LINQ to object.
  • Accessing domain user properties from a Sharepoint siteMar 13, 2010. This article describes a simple approach to determining whether or not a logged in user is a member of a group within the context of a Sharepoint Web based application.
  • CASPOL Tool in .NET Mar 21, 2010. In this article I will explain you about the CASPOL Tool.
  • Crystal Reports User Group SelectionsMar 25, 2010. This is a great to allow users control over their reports and cutting down on the volume of reports needed to meet the business’s needs.
  • Bitmap Effects In WPF - Part IIIApr 08, 2010. In previous article we saw remaining three effects DropShadow, Bevel and Emboss. In this article we will see how to group effects, and we will see how we can achieve the effects with triggers.
  • Bad Practices: Locking on Non-shared Objects in Multi-threaded ApplicationsApr 24, 2010. In this article we will see one of the bad practices developers always do.
  • Using Silverlight Grid ControlMay 03, 2010. The Grid control is the most flexible layout panel, and supports arranging controls in multi-row and multi-column layouts. It is conceptually similar to an HTML Table element.
  • Localization in Silverlight 4.0May 05, 2010. Localization is the process of enabling an application for particular country, region or group by adding local specific component and by translating strings displayed in UI to local language.
  • Development of Text Editor Teditor 1.5Jun 01, 2010. This application is adapted to viewing text files, it can carry out also creation of new files and editing of existing files. It allows the user to enter the name of a created or opened file. The user can scroll the text in a multi-line text component then there are seen other areas of the text.
  • GroupBox in C#Jul 01, 2010. A GroupBox control is a container control that is used to place Windows Forms child controls in a group. The purpose of a GroupBox is to define user interfaces where we can categories related controls in a group.

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