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Meal Scheduler in C#
May 04, 2000.
In this application once you enter your meal timings. A message box will appear on the screen while you are working and remember you about your meal with light sound.
Graphics Animation Sample
May 16, 2000.
After finishing a text program (lottery) its time for some fun. Everytime a have to work with a new language.I write a small program to bounce some balls in a box.
CSDownloadURL : Download Contents of a Web Page
Dec 03, 2000.
CSDownloadURL is a class which has two functions - SetURL and DownloadURL. The set URL sets the current URL and GetDownload downloads the URL contents and returns its contents in a string.
Creating an Empty Project using VS.NET
Dec 04, 2000.
This tutorial guides you towards your first C# Empty project step by step. After that I'll show you how to add a class to the project and few members to the class and call this class members from the main method.
Tutorial: Creating C# Class Library (DLL) Using Visual Studio .NET
Dec 09, 2000.
This step-by-step tutorial shows you how to create a class library (DLL) in Visual Studio .NET.
SmtpMail and Mail Message : Send Mails in .NET
Jan 12, 2001.
You can use SmtpMail and MailMessage to send mails in .NET.
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.
Database Explorer : Part 2
Jan 22, 2001.
Attached is a C# program which is a enhanced version of the previous article on ADO.NET.
Implementing Delegates in C#
Feb 04, 2001.
The Zip file contains two projects. One is VB.Net and the other is C#. Each project is an example of the same use of a delegate. A base class is derived and the delegate calls a method on several classes derived from the base class.
Horoscope Web Service
Feb 08, 2001.
An article talks about web services and how to develop them using .NET.
Verbatim String Literals
Mar 01, 2001.
I used to wonder, if I could somehow represent "\" as "\" instead of the escape sequence for black slash ("\\") in string.
Using the ref Parameter
Mar 06, 2001.
The ref keyword on a method parameter causes a method to refer to the same variable that was passed as an input parameter for the same method. If you do any changes to the variable, they will be reflected in the variable.
Using the out Parameter
Mar 07, 2001.
Did you ever need your method return more than one value? The out keyword can be used to do the same.
Effective C#: Working with Strings
Mar 12, 2001.
Using string might degrade the performance of your application. This article explains about what precautions you should take when you are going to use strings in your application.
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.
Write Relational Data to an XML File
Mar 15, 2001.
This article shows you how you can write data from a database to an XML file using DataSet.
Using Delegates to Choose Right Function
Apr 01, 2001.
The need to call different class method based on some string passed to class is an old problem.
Web Request Class
Apr 04, 2001.
This is a simple application that the gets the source of a webpage via the WebRequest Object.
Writing Secure Code using C#
Apr 06, 2001.
Code access security is a mechanism that grants/denies access to resources within a method call. For example, code written by a person may be allowed to write to the disk while code from another one may be forbidden from accessing the disk. This control can be enforced even if the code written by both of them is used within a single application
Invoking Web Method from one Web Service to Another
Apr 10, 2001.
In this article I will show you how to connect a web service from another.
Understanding How Assert Effects Security
Apr 25, 2001.
Assert is a security action that is evaluated at run time. Code Access Permission classes and Permission Sets support a method called Assert. Using the Assert method to control access to resources or actions will allow your code to perform actions that it normally has permission to perform and will allow other callers up stream in the call stack to have access that they would not normally have.
Word Pad in C#
May 11, 2001.
This application explores the Rich Text control in C#,its properties and methods. Explains the usage of common dialog boxes File open, File save and Font dialog box.
Properties in C#: New Cover on old book
Jun 06, 2001.
Properties are accessor methods whose job is to retrieve and set the values of fields.
The out and ref Paramerter in C#
Jun 12, 2001.
The out and the ref parameters are used to return values in the same variables, that you pass an an argument of a method. These both parameters are very useful when your method needs to return more than one values.
Using ref and out Parameter
Jun 20, 2001.
When we pass a parameter as ref to a method, the method refers to the same variable and changes made will affect the actual variable.
What & Why : Properties :: Part 1
Jun 26, 2001.
If you were programming in C or C++ before coming to C#, you'll be a little bit confused about properties.
Jun 26, 2001.
Graphics Class encapsulates a GDI+ drawing surface. The FromHWND method is used to create a new instance of the Graphics class from a window handle. Clear method fills the entire drawing surface with the specified RGB color by using Color class. DrawString method draws a string using Font and SolidBrush classes.
What & Why : Properties :: Part 2
Jul 09, 2001.
In the part 1 of this series, I discussed about the get method of the properties, with the help of which you can make your variable so that nobody can modify the value of the variable.
Post in Mobile Forms
Jul 27, 2001.
Till now whatever we are doing is in single page and the traversing between forms take place only in a single Page. If you Remember Something of WML there our most effective funda is posting from one form to other.
Compute Feature of DataTable
Aug 01, 2001.
The following code is for implementing least known feature of DataTable Compute() method.
Aug 06, 2001.
This program manages services running in your computer. You can use the GetServices method on the ServiceController class to retrieve a list of the services on a particular computer.
strnicmp equivalent in C#
Aug 07, 2001.
C# equivalent strnicmp function in C language. It accepts two input strings along with the number of positions of chars to compare.
Basic Database Operations in ADO.NET
Aug 08, 2001.
This Article will show the basic database transactions select, insert update and delete.
Drawing With no OnPaint Method
Aug 09, 2001.
In this sample example, I draw GDI+ objects on button click.
CDataService: A Generic Database Access Class
Aug 09, 2001.
Using a generic database access component in data-aware applications can simply development and separate data tier from business tier.
Aug 17, 2001.
This article is about advance use of reflection package in Csharp.
Super String in C#
Aug 20, 2001.
Today I realized that I miss those Visual Basic/Visual C++ type operators. You know the ones: Left, Mid, Right.
Aug 22, 2001.
This program calculates the dates for Easter for any given year and for an hundred years.
String Jargon in C#
Sep 05, 2001.
The following article shows some String functions which are not currently available directly in C#.
Regular Expressions Usage in C#
Sep 07, 2001.
The source code shows how to use Regular Expressions in C#.
Web Browser in C# and VB.NET
Sep 11, 2001.
This article explains how to add and web browser ActiveX to your project to developer your own customized web browser.
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.
Enumerators in C#
Sep 18, 2001.
Sample example shows you how to use enumerators in C#.
Playing with Strings
Sep 18, 2001.
This program explores the String class and its various methods. With this you will be able to initialize strings using different constructors and use them. To see how the methods of the 'String' class work, see the following code.
IComparable: Under the Hood
Sep 21, 2001.
We now calling Array.Sort() on C# Types such as int, char, string will automatically do sorting based on that type.
Uploading and Downloading Web Files
Oct 05, 2001.
This program is for beginner, shows how to use web client class to Download and upload file from the Internet and how to save them to disk. Download or upload file can be done using Method DownLoad Or UpLoad.
Abstract Classes And Methods
Oct 08, 2001.
This is a detailed analysis of Abstract classes and methods in C# with some concrete examples.
Method Parameters in C#
Oct 15, 2001.
This article describes different method parameters such as value parameters, reference parameters, output parameters, and parameter arrays.
Web services with Language Interoperability
Oct 18, 2001.
A web service in general is a way of exposing the properties and methods through the Internet In other words, it's an URL-addressable resource that programmatically returns information to clients who want to use it.
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.
Inheritance and Polymorphism
Oct 29, 2001.
By using the concept of inheritance, it is possible to create a new class from an existing one and add new features to it.
Charting in GDI+
Nov 07, 2001.
Here is an example of creating simple charts using GDI+ commands in C#. I have used the random class to create 5 random percentage values. I then use GDI+ to plot these values on a chart.
Factory Patterns in C#
Dec 10, 2001.
The FACTORY METHOD PATTERN comes under the classification of Creational Patterns. The creational patterns deals with the best way to create objects.
Graphics Programming in C#
Dec 26, 2001.
The new improved version of GDI is called GDI+. The .NET framework provides a rich set of classes, methods and events for developing applications with graphical capabilities.
NUnit for people who can't work
Jan 02, 2002.
In this lesson I will show how to numerically solve algebraic and ordinary differential equations, and perform numerical integration with Simpson method.
C# and .NET
Jan 07, 2002.
It is sometimes important to know the details of what the compiler does. You may want to know whether constants are evaluated at compile time, or whether constant strings are folded at compile time.
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.
Using ListBox Web Control
Jan 21, 2002.
This article explains the ListBox Web Forms control properties and methods and how to use it.
.NET Framework and Web Services - Part 3
Jan 31, 2002.
Here I am going to explain Web methods and how to write Web methods in C# and VB.NET.
Working with Strings in VB.NET
Feb 05, 2002.
This article is VB.NET version of Working with Strings in .NET using C#.
Web/WAP Calender form Harrison Logic
Feb 11, 2002.
This application provides an updateable web-based calendar that can be viewed from both the Web and through a Mobile device, such as a cellular phone.
Creational Pattern - Builder
Feb 19, 2002.
The Builder pattern allows a client object to construct a complex object by specifying only its type and content. The client is shielded from the details of the objects construction.
XML Web Services Type Marshaling
Feb 20, 2002.
This article illustrates that various data types can be passed to and returned from Web Service methods.
A Database Web Service
Feb 22, 2002.
This program is a Web service, which contains Web methods that return a dataset after querying a database (any database) given the connection string, the password, the database, the table, the user ID and the SQL commands.
Authenticate Web Service
Mar 04, 2002.
In this example we will build a web service that authenticates userid and password from an a very simple MS Access database. This web service exposes only one method to the client.
Boxing and Performance of Collections
Mar 14, 2002.
In this article, I will compare some performance issues of values and references types during boxing and unboxing operations.
Printing Invoices using C# and .NET
Mar 18, 2002.
This program can stand improvements but it will get you started in creating an invoice and printing it to the printer.
SQL Server Database Explorer
Mar 20, 2002.
This application connects to a running SQL Server 2000 and displays all the available databases in it.
ASP.NET Naughts and Crosses
Mar 22, 2002.
This article demonstrates the basic techniques used to build "ASP.net Noughts & Crosses" (tic tac toe to our American friends).
Saving and Reading Object to/from a Database
Mar 25, 2002.
An object is a memory stream, which is hard to write using the normal methods. In this article, I show how you can save objects in a database and read back from the database.
Mar 25, 2002.
This class contains methods/functions for easily decrypting and encrypting data.
XML Signatures in Microsoft .NET
Mar 28, 2002.
In this article we will explore XML Signature specification from W3C and its implementation in .NET using C#.
Poorman's Installation program in C# and .NET
Apr 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.
Gene Expression Programming (GEP) in C# and .NET
Apr 11, 2002.
Gene Expression programming (GEP) is a subset of Genetic Algorithms, except it uses genomes whose strings of numbers represent symbols. The string of symbols can further represent equations, grammars, or logical mappings.
Assembly Browser: Browsing a .NET Assembly
May 17, 2002.
This program lets you browse an assembly and lists the methods and the parameter name and parameter type for each assembly.
Understanding Destructors in C#
Jun 18, 2002.
This article is about understanding the working concept of destructor in C#. I know you all may be thinking why a dedicated article on simple destructor phenomenon.
Communication Between Two Forms: Part-II
Jun 24, 2002.
Last time I wrote about the possibility of sending a string from a textbox in one form to another.
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.
Programming C#: Working with Arrays in .NET
Jul 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.
Writing a Single Event Handler for Multiple Controls
Jul 22, 2002.
Writing a Single Event Handler for Multiple Controls by Giuseppe Russo. Jul 22, 2002. I have noticed that in many articles, I read, people use a longer method of clearing many textboxes, as well as handling more than one control at the same time.
dotMSN: .NET Messenger Library
Jul 25, 2002.
dotMSN is a class library to make use of the MSN Messenger Service. The library is built in C# and can therefore be used by all languages the .NET environment supports.
Hex Colors in C#
Sep 05, 2002.
Currently I am developing a shareware application for generating image galleries for the web. There is a template engine built in that allows the user to specify colors as hexadecimal values, plus many other features.
Sep 16, 2002.
Spiro designer is a partial implementation of Spirograph. Spiro Designer uses the Matrix and GraphicsPath classes with their Transform and Rotate methods to build a spiro.
StringBuilder and String Concatenation
Oct 01, 2002.
String concatenation is one of the commonly used operations among programmers.
How to Fill Your Own Dynamic Objects using ADO.NET
Oct 02, 2002.
Sometimes you need to use information of different types like strings, booleans or doubles in the same data structure.
ATL COM Component, ASP.NET Web Service, and VB Client
Oct 14, 2002.
This article describes how to use ATL COM Components in ASP.Net web service and how to consume the ASP.Net Web Service from Visual Basic 6 Client. Ultimately the VB6 client calls the method of the COM component created in Visual C++ through the ASP.Net Web Service.
Drawing Shapes using Threading
Oct 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.
More AI...(GEP) Gene Expression Programming in C# and .NET
Nov 04, 2002.
Gene Expression programming (GEP) is a subset of Genetic Algorithms, except it uses genomes whose strings of numbers represent symbols.
ADO.NET, COBOL and Stored Procedure
Dec 13, 2002.
A stored procedure is basically a series of SQL statements that reside on the database. The procedure could create a new table, retrieve data from one or more tables, update one or more tables or perform many other tasks.
C# Versions of Java's StringTokernizer
Jan 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.
Strings in C# Part 2
Feb 05, 2003.
This article discusses how to format, trim and pad strings using the String class. The article also covers the StringBuilder to effectively deal with string such as string concatenation,
String in C#
Feb 05, 2003.
In this article, you will learn how to work with strings in C#. The article discusses the String class, its methods and properties and how to use them.
Feb 06, 2003.
The AddressParser class provides 2 static methods - ParseIpAddress and ParseMacAddress.
Run Time Compiler
Feb 07, 2003.
In this article, I am going to discuss how to take a string then compile it and then how you execute it.
How To: Printing Form Controls in C# and .NET
Mar 06, 2003.
The other day a user asked me how to print out a form. I suggested they use my Form Capture article which catches the bitmap that the form is in by using bit belting commands from the old windows SDK.
Link Fetcher Service
Mar 06, 2003.
In this article we will learn how to create a Web Service that fetches all the links from a given URL.
Distributed Cross Platform Applications, the Easy Way
Mar 07, 2003.
There are many ways of transferring data from one process to another. All those methods have some advantages, but also some drawbacks.
Updated ReshuffleColumns Method
Mar 20, 2003.
Here is an updated version of 'ReshuffleColumns' method of article DataGrid Customization by Mahesh Chand.
Histogram Code in C#
Apr 01, 2003.
C# histogram class maintains a histogram of input data. Input data is sorted into bins and a count is kept of how many data points fall into each bin.
Accessing COBOL Properties with C#
Apr 02, 2003.
This article will review a new option for exposing those assets via the use of Properties.
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©2016 C# Corner. All contents are copyright of their authors.