C# Corner

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  • Binary Search Using ArrayList Jan 10, 2000. The ArrayList class provide binary search algorithm and more...
  • C# IndexerJan 15, 2000. An indexer is a member that enables an object to be indexed in the same way as an array.
  • 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.
  • Add, Edit, Delete, View data using ADO+Jan 04, 2001. Free to use Tutorials on using ADO+ on Microsoft's .NET Platform in C# as programming language.
  • Using Transforms with GDI+ in C#Mar 15, 2001. Transforms are matrices that allow you to rotate and translate your graphics shapes. In this example we are going to rotate a very powerful element in C# called the GraphicsPath.
  • ADO.NET DataSet ProgrammingMar 20, 2001. A sample project shows you how to add, edit, delete, navigate, save records in a database using DataSet.
  • Complex Numbers ClassMar 20, 2001. This small example demonstrates using some of the interesting language elements of the C# language.
  • 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.
  • Color GuideJun 11, 2001. This Program will generate all the colors that are supported in C# according to the Name.
  • Basic Database Operations in ADO.NETAug 08, 2001. This Article will show the basic database transactions select, insert update and delete.
  • Editing, Deleting, Sorting and Paging in DataGrid Web ControlAug 08, 2001. The following article is about techniques for editing, deleting, sorting and paging using web Datagrid control.
  • Get the Place Game in C#Aug 14, 2001. I have written a game in C# called Get the Place.
  • Calculator ExampleAug 14, 2001. Sample program shows you how to create a calculator.
  • Automatic Generated DataGrid CommandsAug 15, 2001. This article illustrates how to update, insert, and delete in the windows DataGrid control by using automatic generated commands.
  • A variety of Chart EnginesSep 07, 2001. The original code came from Scott Guthrie’s chart engine example. The differences from original code.
  • using Array Class and IEnumeration in C#Sep 14, 2001. This article illustrates the usage of Array class and IEnumerator. Array class Provides methods for creating, manipulating, searching and sorting arrays, thereby serving as the base class for all arrays in the common language runtime.
  • IComparable: Under the HoodSep 21, 2001. We now calling Array.Sort() on C# Types such as int, char, string will automatically do sorting based on that type.
  • Accessing Oracle DatabaseSep 21, 2001. This source code shows you how to connect to an oracle database and do operations such as select, insert, update and delete.
  • Working with Windows RegistrySep 25, 2001. In this small tutorial, I'll show you how to read, write and delete Windows Registry.
  • Oracle Database ConnectivitySep 26, 2001. This is a GUI based data entry application which shows how to add, modify and delete records using Oracle Database.
  • Method Parameters in C#Oct 15, 2001. This article describes different method parameters such as value parameters, reference parameters, output parameters, and parameter arrays.
  • Understanding Structures in C#Oct 23, 2001. A structure in C# is simply a composite data type consisting of a number elements of other types.
  • Pointers in C#Oct 25, 2001. C# also supports pointers in a limited extent. A pointer is nothing but a variable that holds the memory address of another type. But in C# pointer can only be declared to hold the memory address of value types and arrays.
  • Implementing Stacks in C#Nov 06, 2001. With the help of C# we can also implement ADT (Abstract Data Types) with little effort. An example of ADT is a simple stack of integers.
  • Understanding the System.Buffer ClassDec 13, 2001. Before we try out something with Buffer class lets understand Buffer class and its Members.
  • Returning an Array Listing using Remote Procedure CallDec 26, 2001. In this article we will create a Web Service that will return an ArrayList of students.
  • Developing a Record Navigation Form with Unbound ControlsDec 26, 2001. Developing a record navigation form with unbound controls. The form enables you to navigate through the records one at a time. In this application we have used a combo box, two text boxes and various command buttons.
  • Hangman Program Using C#Jan 19, 2002. Hangman was created to illustrate several features of C# including GDI+, string manipulation, array processing, using properties, as well as simple creation of objects.
  • Yahtzee Program Using C#: Part IIJan 31, 2002. This is an update of the Yahtzee program for VS 2005. Included in this version is a Game Reset and a High Score Tracker. The Top Ten High Scores are tracked using an Array with sortable components. In this article we will talk about the IComparable interface used to make an object stored in an array sortable.
  • 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.
  • Poorman's Installation program in C# and .NETApr 08, 2002. Installation programs can be quite expensive these days. Although programs such as Wise and InstallShield have fantastic features and are fairly comprehensive, sometimes you just want to do the easy installation of copying and pasting files into a directory and perhaps placing a shortcut in the start menu.
  • Unit Conversion Tool for Pocket PC with Compact FrameworkMay 22, 2002. I have created a Unit conversion tool to calculate conversion from 16 different types.
  • Redhotqlue C# ArrayObjectJun 20, 2002. Unlike Visual Basic the C# language does not provide a standard mechanism for re-dimensioning (resizing) arrays. This component provides that additional functionality for arrays created in C#.
  • 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.
  • Web Forms Code ModelJul 23, 2002. ASP.NET introduces a new programming model for Web Forms to separate the code and visual elements in different files.
  • A Virtual Photo Album in C# and .NETAug 05, 2002. This album allows you to drag your images directly from Windows Explorer into the spot you want your picture to occupy. You can also edit the captions by clicking on the labels under the pictures.
  • TWINXBASE ServiceSep 09, 2002. This service scans in a directory by using FileWatcher component and when a file arrives, then the service will check the extension of the file, if the file has the extension .DBX then it will read the contents of the file and communicate with the database (C:\FILESERVICE\DB\MyDB.mdb) and insert / update / delete the records in the database -table.
  • Extracting Modules and Component(RSAParameter) from X509Certificate PublicKeyNov 04, 2002. In some applications, it might be necessary to extract the modulus and exponent from the X509Certificate PublicKey. The X509Certificate.GetPublicKey() returns a byte array that contains the ASN.1 Encoding information along with the modulus and exponent as described in the RFC2459.
  • 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.
  • Sorting using MultithreadingNov 13, 2002. This is simple multithreading application that sort integers values in an array.
  • 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.
  • Querying COM+ through Web ServicesMar 12, 2003. The most COM+ common administrative tasks (creating a COM+ application, installing/deleting a component, setting a component attribute) can be accomplished manually with the Component Services administrative tool from Management Console.
  • FTP Client Utility Apr 04, 2003. This is an FTP Client Utility to transfer Files and directories between hosts. It provides the casic FTP features and also some advanced features like uploading directories with the subdirectories and deleting directories with the subdirectories.
  • 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.
  • Iterations and Performance in .NETApr 15, 2003. I’ve been implementing numerical libraries in .NET and have come to some conclusions about iteration performance.
  • Developing Secure Web Site with ASP.NET and IIS - PartIIMay 07, 2003. Authentication is a very important element of developing secure sites. It is the starting point of a secure environment for the protected resources. I have discussed several authentication mechanisms available in ASP.NET and how they join with IIS to provide a secure platform to develop sites in Part I of this article.
  • Developing Secure Web Site with ASP.NET and IIS: PartIIMay 07, 2003. Authentication is a very important element of developing secure sites. It is the starting point of a secure environment for the protected resources. I have discussed several authentication mechanisms available in ASP.NET and how they join with IIS to provide a secure platform to develop sites in Part I of this article. I will be looking at Form Authentication and how to implement it in several sample web applications.
  • Deleting a DataGrid Data Based on a Column ValueJul 24, 2003. In this article we'll see how to delete the records of a DataGrid based on a column value in the database table.
  • Real Life SQL and .NET: Part IVJan 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.
  • Fundamentals of Function Point Analysis Part IIFeb 18, 2004. Function points are a unit measure for software much like an hour is to measuring time, miles are to measuring distance or Celsius is to measuring temperature.
  • 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.
  • Populate SQL Servers and Databases dynamically in C#May 27, 2004. The attached source code is a class that provides methods to populate an array with the available SQL Server and databases on your network dynamically.
  • Tablet PC Ink Editing Modes - Select and Delete InkJun 25, 2004. In my previous articles, I discussed how to use Ink and set its properties to draw on a Windows Forms and Windows controls. In this article, I will discuss some more features of Tablet PC Ink including selecting and deleting ink, Ink collection, and Ink object.
  • Adding Discovery Features to BizTalk Server 2004: Part ISep 13, 2004. This article explores the concepts of the BizTalk-UDDI mapping process and the similarity with the WSDL-UDDI mapping process. By the other way the second article is focused in the implementation and use of the BizTalk Server 2004 UDDI Publishing Wizard tool.
  • Thread Safe Collections ArrayList and QueueSep 24, 2004. The attached project provides a dll containing a wrapper around the non-thread safe ArrayList and Queue classes. The wrapper implements the most common functions of this collection elements.
  • Talk to SharePoint through its web servicesDec 09, 2004. Microsoft Office 2003 is very tightly integrated with SharePoint by utilizing its web services. Windows SharePoint Services comes with sixteen different web services. SharePoint Portal Server 2003 supports an additional five web services. The web services provided by SharePoint do provide a vast array of features.
  • Generating Random Number in the ArrayDec 17, 2004. This article shows how to generate random number in an array using C#.
  • Using ListBox in C#Dec 28, 2004. The source code demonstrates how to use a listbox control in C# - adding, deleting and altering strings.
  • How Count Sort worksJan 15, 2005. Count Sort is Linear Sorting algorithm which sorts elements in O(n) time , the other linear sorts include Bucket and Radix sorts.
  • Will swap work if C# Manipulates Objects by Reference?Feb 15, 2005. C# does manipulate objects by reference, and all object variables are references. On the other hand, C# does not pass method arguments by reference; it passes them by value. Thus, a regular swap method will not work!
  • 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.
  • How to Maintain a CodeGroup in Security Policy at Runtime?Jul 05, 2005. Whenever protected resources are accessed by an assembly, it’s permissions are determined by the code access security system of CLR. Each permission set granted to an assembly is based on the assembly's evidence (such as its URL or publisher certificate, strong name), which in turn is based on configurable security policy.
  • Convert a Comma Delimited String to an Array in C#Aug 01, 2005. This article shows how to convert an array to a comma delimited string in C#.
  • How do I use Memory Stream in C# Oct 27, 2005. This article shows how to use memory stream to read byte[] array and can use to write some file in memory.
  • Designing Sortable Collections using IComparableNov 21, 2005. If you are dealing with collection of objects, there are times when you need to sort the object collection. In this article, I will discuss how to use IComparable interface to design sortable arrays.
  • Fetching Data from a Database in XML FormatJan 28, 2006. In this article we will see how to fetch data from database in XML format.
  • Writing C# 2.0 Unsafe CodeFeb 23, 2006. We will see that C# allows suspending the verification of code by the CLR to allow developers to directly access memory using pointers.
  • Use Customized IndexersMar 14, 2006. Many of you are aware of indexers and its properties. For those unaware of it want to know that indexers are used to represent objects using indexes or even using keys. I.e. we can represent an object of a class by the way an array is using.
  • Apply Object Serialization in Real Life SituationMar 30, 2006. Object serialization is a process of streaming an object into a byte array. This article explains the object serialization process using a real world example.
  • Embedded Datagrids with Add, Edit and Delete funtionalityJun 02, 2006. This article features an embedded Datagrids with Add, Edit and Delete funtionality.
  • Serializing and Deserializing XML StringJul 20, 2006. In this article we will see how we can serialize a xml sring into an object and vice versa. You can serialize your object to a byte array and can deSerialize the byte array into an object.
  • Update and Delete Rows in a DataTableAug 24, 2006. This how do I shows how to update and delete rows when looping through a DataTable.
  • Atlas: Floating Server Elements in ASP.Net 2.0Sep 26, 2006. In this article, we will see how easily Atlas allows setting up a server element as a floating element, which the end users of the web page can drag to any location in the web page.
  • User Confirmation before Deleting Items in ASP.Net 2.0Oct 12, 2006. This article describes how ASP.Net 2.0 allows setting client-side functions for Button controls through the use of the OnClientClick property and additionally, the event can be handled on server-side depending on the user response.
  • Using Predicates over foreach in ArraysOct 24, 2006. We generally use foreach blocks to iterate through Arrays n Lists in order to operate on them which not only makes our code long n confusing but also makes us compromise on performance. The solution to this lies in Predicates...
  • LED Control EmulationFeb 06, 2007. This project describes an approach for constructing a hardware emulation of a segmented seven element LED display.
  • Bind Objects to a DataGridView ControlFeb 12, 2007. This article describes a simple approach to displaying object property data within a data grid view control.
  • XAML TextBoxApr 10, 2007. XAML <TextBox /> element represents the XAML TextBox control. This article discusses how to create a TextBox and set its various properties such as background and foreground colors, setting size and positions, fonts, wrapping, scrolling, and input validations.
  • XAML Layout using the Panel ClassApr 12, 2007. This article describes how to use the DockPanel element to achieve standard layouts in XAML. While there are a number of interface elements that can be used to position controls in your application, DockPanel provides one of the easiest mechanisms for defining scalable layouts.
  • On-line Address Book in ASP.NET 2.0May 25, 2007. This is an On-line Address Book project. This project is very useful to keep the record and addresses of person. Here in this project we can view all record, edit any record, delete any record, search a record and update any record. This project will be very useful to those who are new or going to his/her first ASP.NET project.
  • Lotto Program in C#Jul 16, 2007. It is a small Lotto-Program which can help you fill your lotto ticket. It is written in C#.NET 2.0 by using Visual Studio 2005.
  • Data Binding using LINQ to SQL in C#Aug 09, 2007. LINQ to SQL allows developers to work with databases using LINQ. This article discusses how to get, add, update, and delete data in a DataGridView control using LINQ to SQL.
  • Free Book: C# Programming for BeginnersAug 21, 2007. In this book, you will learn how to write and compile C# programs, understand C# syntaxes, data types, control flow, classes and their members, interfaces, arrays, and exception handling. After completing this book, you should have a clear understanding of the purpose of C# language, it’s usages, and how to write C# programs.
  • Generic Data Layer - One time creationSep 06, 2007. This article will explain how to create a generic data layer that can be used with very less amount of coding. It is a known fact that, most of the time we create applications for Create , Select , Update, Delete. And every time, we end up with writing similar set of code for every execution of our stored procedures.
  • 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.
  • Generate XML based Resource Files on the fly in ASP.NET 1.x applicationsSep 11, 2007. If internationalization was not part of your application’s initial development cycle, but required to extend it globally at a later point of time, then creating resource files from all the UI elements is a very tedious & manual process in ASP.NET 1.x. The framework presented in this article saves a developer from manually updating the resources and keeps the resx files in sync with the webforms and user-controls by automatically generating the resx files.
  • Free Book: Programming XML with C#Sep 15, 2007. Programming XML with C# is a 65 pages book written for C# programmers who wish to learn how to work with XML documents using C# language. In this book, you will learn the basic elements of XML and classes and objects available in .NET Framework to work with XML.
  • Edit, Delete and Update in a DataGrid in Visual Web developer 2005Sep 26, 2007. Here in this article I am going to show, how to edit, Delete and update data in a DataGrid.
  • How C# is Different From JavaJan 17, 2008. This article describes the various differences between C# and Java.
  • Call any stored procedure which take input parameters and return output parametersFeb 01, 2008. This one generic function can call any Stored Prodedure which take input parameters and return output parameters with the help of two-dimensions array. This is very helpful specially when you designing n-tier application.
  • Using OUTPUT Clause for Getting Deleting Information from Several Tables.Apr 01, 2008. In this article I will explain how you can use such a T-SQL (SQL Server 2005) feature as OUTPUT clause in order to get information about rows, which were affected, when deleting process is executed for several tables, “connected” by foreign keys. The examples are written using T-SQL and C#.
  • Configuration Sections; Introducing the Custom Configuration Section Concept: Part IApr 14, 2008. Custom sections of an ASP.NET Configuration File are customized sections that a developer configures by himself. In this case, the developer also sets their attributes and elements to suit special application needs in terms of settings.
  • Cascading Deletes in LINQ to SQLJul 03, 2008. This article will discuss alternative methods for performing cascading deletes using LINQ to SQL. Cascading delete refers to the action of removing records associated by a foreign key relationship to a record that is the target of a deletion action.
  • Power of Yield, Generics and Array in C#Jul 14, 2008. This article tells you an additiional way to get reverse processing of array with help of generics and yield.
  • Silverlight 2 use ADO.NET Data Services to access dataJul 19, 2008. In this article will show how to perform CRUD (Create, Retrieve, Update, Delete) operations in Silverlight 2 using ADO.NET Data Services.
  • Generic Data Access using LINQ to SQL and C#Jul 22, 2008. This article discusses the construction of a generic data access layer built on top of a LINQ to SQL implementation.
  • Insert, Update and Delete in Silverlight DataGrid using ADO.NETJul 22, 2008. In this article will show how to perform CRUD (Create, Retrieve, Update, Delete) operations in Silverlight 2 using ADO.NET Data Services.

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