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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.
Database Explorer : Part 2
Jan 22, 2001.
Attached is a C# program which is a enhanced version of the previous article on ADO.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.
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 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.
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.
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.
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.
Basic Database operations using ADO.NET
Aug 21, 2001.
I found very interesting database features incorporated into the .NET as ADO.NET.
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#.
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.
Calculator in C#
Sep 19, 2001.
Attached program performs basic calculator operations.
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.
Accessing Oracle Database
Sep 21, 2001.
This source code shows you how to connect to an oracle database and do operations such as select, insert, update and delete.
BitWise Operations in C#
Nov 01, 2001.
C# has lots of flexibility over manipulating with bits. Before I start explaining about bit wise manipulation I would like to give some inputs on binary operations.
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.
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.
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.
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.
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.
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.
Imlememnting Drag and Drop in ListView Controls
Jul 08, 2002.
Drag and Drop operations in Windows can be achieved using 3 simple events - DragEnter, DragLeave, and DragDrop.
Step by Step Guide to Create a Setup for a Web Application
Aug 15, 2002.
Deployment of an application is big issue in application software development.
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.
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.
MDX Query Bulider
Nov 11, 2002.
In this article we will be developing a MDX Query Builder.This is similar to the MDX sample application operations, which carry out the transfer of blocks from the secondary memory to the main memory and vice versa.
Working with Win32 API in .NET
Nov 21, 2002.
Windows exposes lots of functionality in the form of Win32 API. Using these API you can perform direct operation in windows, which increases performance of your application.
Synchronized Threading in .NET
Dec 11, 2002.
Threads are a powerful abstraction for allowing parallelized operations: graphical updates can happen while another thread is performing computations, two threads can handle two simultaneous network requests from a single process, and the list goes on. Since threads are pretty simple to understand, conceptually, but, practically, they are a cause for programmatic headaches, I decided to write this program to describe how to make use of threads.
Concurrency Control in ADO.NET using Threads and Monitors
Dec 31, 2002.
The concurrency controls system refers to the lowest level in architecture of a DBMS. It is relative to the input/output operations, which carry out the transfer of blocks from the secondary memory to the main memory and vice versa.
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.
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.
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,
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.
Hash Password Generator
Feb 10, 2003.
This visual tool generates the hashed password using either SHA1 or MD5 hashing algorithm depending on the choice you make. It will display the hashed password in the read only text box, it can also copy the hashed password to clipboard on your choice for easy paste operation.
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.
Java Like StringTokenizer in C#
Jun 11, 2003.
The StringTokenizer class is yet another implementation of a java-like StringTokenizer in C#.
HTTP Handlers for Images in ASP.NET
Jun 23, 2003.
Have you ever thought of streaming thumbnails just by passing query string indicating width or height of thumbnail you need, and most importantly passing those to image itself?
Lengthy Operations on Single Thread in .NET Applications
Jul 08, 2003.
In this article I discuss how the lenghty operations can be handled in a .NET application. I also discuss how the stack trace can be examined to find any specific methods.
Real Life SQL and .NET: Part V
Jan 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.
State Management in Web Forms
Feb 18, 2004.
This white paper discusses the ways in which the state management can be handled in web forms. State management can be done either on client side or server side as explained below.
Oracle Data Provider for .NET : Part II
Feb 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.
Color Transformations and the Color Matrix
Apr 10, 2004.
This article discusses the color transformations and how to apply Color Matrix on image colors to provide various effects such as gray scale effects, reduce or increase the contrast, brightness, or redness of an image.
Resizable Calculator using C#
Apr 22, 2004.
This application is a scientific calculator, which is resizable and performs some basic operations like addition, subtraction, multiplication, division and some trigonometric functions.
Formula Generator - A Regular Expression Generator Class in C# and .NET
Aug 17, 2004.
The attached source code is a class - FormulaGenerator, which is a component that interprets and evaluate a string expression
Generating Random Number and String in C#
Nov 19, 2004.
The Random class defined in the .NET Framework class library provides functionality to generate random numbers. This article shows you how you can use this class to generate random numbers and strings and even combination of both.
Using ListBox in C#
Dec 28, 2004.
The source code demonstrates how to use a listbox control in C# - adding, deleting and altering strings.
Edit Almost Anything with AgileStudio
Mar 15, 2005.
There are a range of controls available as standard for Windows Forms in VisualStudio .NET 2003. These include TextBox to edit strings, CheckBox to edit booleans and even a DateTimePicker. However there is a vast range of types available in .NET.
Insert Master-Detail Data using Transact-SQL
Jun 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.
Enterprise Library Caching Application Block
Jul 12, 2005.
Microsoft patterns & practices provide scenario-specific recommendations illustrating how to design, develop, deploy, and operate architecturally sound applications for the Microsoft .NET platform. The following article covers details on the Caching Application Block.
Microsoft patterns & practices: The Enterprise Library
Jul 12, 2005.
Microsoft patterns & practices provide scenario-specific recommendations illustrating how to design, develop, deploy, and operate architecturally sound applications for the Microsoft .NET platform.The following article covers details on the Data Access Application Block.
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#.
Top 10 New Features in ADO.NET 2.0
Aug 19, 2005.
This article summarizes the new and updated features of ADO.NET 2.0, which ships with .NET Framework 2.0. In my following articles I will discuss these features in more details with sample examples.
M.S. Visio Automation
Aug 19, 2005.
This article demonstrates the flexibility of Visio products as a development platform by describing the customized business solutions.
How do I Convert a String to an Enum Value?
Sep 10, 2005.
In this How do I, you will learn how to convert a string to an enum value in C#.
Convert an Enum to a String
Oct 24, 2005.
This article shows how to convert an enum value to a string value.
Server.Transfer : Passing Values from One Page to Another Page
Jun 19, 2006.
Some times, we want to pass values from one page to another page. There are many ways by which we can do this like: by using query string, or session variable, or Server.Transer etc. This article shows you, how to pass values from one page to another page by using Server.Transfer method.
C# Artificial Intelligence (AI) Programming: A Basic Object Oriented (OOP) Framework for Neural Networks
Jun 20, 2006.
A Neural Network is an Artificial Intelligence (AI) methodology that attempts to mimic the behavior of the neurons in our brains. In this article, we’ll be building a basic framework for AI Neural Networks in C# and teach our program to perform basic X-OR operations.
Using LINQ in Visual Studio 2005
Jul 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.
Jul 05, 2006.
The purpose of this article is to build upon the existing pool of regular expression articles by providing an overview of the new regular expression features found in .NET and to offer some guidelines as to when and how to use them.
Serializing and Deserializing XML String
Jul 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.
Atlas - Visual Feedback Using the UpdateProgress Control
Sep 07, 2006.
In this article, we will take a look at the ease with which the UpdateProgress control in Atlas allows you to provide user feedback on the progress of operations in an ASP.Net 2.0 web page.
Encrypting Connection Strings in ASP.Net 2.0
Oct 05, 2006.
This article describes how to encrypt the connection strings section in ASP.Net 2.0 web.config files and demonstrates the transperancy of using encrypted connection strings in your web application.
Bulk Copy Operations in ADO.NET 2.0
Oct 23, 2006.
Bulk copying of data from one data source to another data source is a new feature added to ADO.NET 2.0. Bulk copy classes provides the fastest way to transfer set of data from once source to the other.
How to Convert String to Hexadecimal and Vice versa
Oct 31, 2006.
This article shows you how to convert string to hexadecimal and vice versa. I did this program for my smart Card application.
Working with HashTable in C# 2.0
Nov 13, 2006.
We often need to store more than one dimension data in a list and data may not be an integer or string. This article shows how to use the HashTable class to store object type data.
Dec 28, 2006.
This article explains about simple clipboard operation and an extended clipboard functionality.
ASP.Net State Management Techniques
Jan 02, 2007.
This article gives brief introduction to various state management techniques in ASP.NET.
File Splitter in .NET
Jan 16, 2007.
This articles shows how to create a file splitter application in .Net using simple file operations.
Cannot perform '>' operation on System.DateTime and System.Double
Feb 22, 2007.
I get error "Cannot perform '>' operation on System.DateTime and System.Double" when applying a filter on DataView.
Add a Quick Map to a Windows Application
Mar 15, 2007.
This project demonstrates a quick and easy way to add mapping to a windows desktop application (with an available internet connection) using Google Maps as the basis and source for the map.
Hiding the Date in a Date Time Picker Control
Mar 26, 2007.
This very short article will address an extremely easy way to hide the date value contained in a date time picker control. While the control contains no property that will allow you to hide the current date, nor to set the value of the control to null or an empty string, it is still possible, and even very easy to generate a date time picker control that does not display a date.
Regular Expression Usage in .Net Environment
Apr 19, 2007.
This article describes how to use regular expression in .Net.
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.
Windows Communication Foundation callback
Jun 12, 2007.
This article is intended to illustrate how to implement callback operations in WCF through a common business scenario where the service needs to notify that some events has happened to the client. During a callback, in many aspects the tables are turned: the service becomes the client, and the client becomes the server.
Using the BackgroundWorker Component in .NET 2 Applications
Jul 03, 2007.
In this article I will show (step-by-step) how you can use the BackgroundWorker Component in .NET 2 applications to execute time-consuming operations.
Multi-threaded Asynchronous Programming in C#... Through The Web Page. Part VI
Jul 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().
Distributed Transaction Coordinator/Control in asp.net (DTC)
Jul 31, 2007.
A transaction is a series of work perform as a single unit of work consistency and reliability of the system, can be achieved by binding a set of related operations together in a transaction. Here I will be discussing how we can run distributed application in a application.
Edit, Delete and Update in a DataGrid in Visual Web developer 2005
Sep 26, 2007.
Here in this article I am going to show, how to edit, Delete and update data in a DataGrid.
Using the BackgroundWorker Component with Composite User Controls
Sep 28, 2007.
In this article you will learn how to use the BackgroundWorker Component with user controls in C#.
Query Optimization in SQL Server 2005
Dec 19, 2007.
This article offers suggestions on how to optimize query performance in SQL Server 2005.
Lengthy Operation Windows Form Patterns
Jan 03, 2008.
This article gives a description to lengthy operation pattern on windows forms.
Parsing Sentences and Building Text Statics in C#
Feb 15, 2008.
This article describes three approaches for parsing the sentences from a body of text. This demonstration application also describes an approach to generating sentence count, word count, and character count statistics on a body of text.
Extending The String Class
Mar 17, 2008.
This article will show you a technique (new for C# 3.0) that allows you to extend the string class inside the .NET framwork to include your own string methods.
Add and handle application settings in the configuration file: Part II
Apr 16, 2008.
This article tells you how to add connection string using the configuration file itself.
Add and handle connection strings in an application configuration file: Part I
Apr 17, 2008.
There are two ways to save data and parameters. In this case we save application parameters like information entered by the user during the installation process.
High Performance Abstraction Layer for Non-Blocking Asynchronous Thread Safe SqlServer Calls
Apr 25, 2008.
One of the things I find myself doing frequently is writing (and re-writing) plumbing code to execute database CRUD operations. I wrote an abstraction layer over asynchronous SqlServer calls that allows developers to correctly make async calls agains SqlServer without having to deal with any of the complex plumbing normally required. All source code is included with this article.
Encrypt and Decrypt Sensitive Metadata Within Your Config file
Jun 18, 2008.
In a certain cases, metadata embedded within your configuration file is sensitive. In fact, imagine that you develop an application that uses a data base as data source; all information about this data base is located in the configuration file. What if a hacker success to log into your configuration files and obtains the connection string and other metadata about your data base??
Silverlight 2 use ADO.NET Data Services to access data
Jul 19, 2008.
In this article will show how to perform CRUD (Create, Retrieve, Update, Delete) operations in Silverlight 2 using ADO.NET Data Services.
Auto create database connection string using INI by C#
Jul 22, 2008.
This article shows how to auto create database connection string using INI by C# .
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