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1. TDT - GridPage - Page_Init C# submitted on 7/31/2012 by Guss Davey

2. CustomValitaor C# submitted on 5/13/2011 by zhu xiaowu

3. C# submitted on 1/12/2011 by ruairi odonnell

4. Get the file extension from a file path or file name VB.NET submitted on 9/17/2010 by Antonio Cosano

5. grab record from db and subtracts it from variable VB.NET submitted on 9/16/2010 by Marcus Reed

XML

1. C# submitted on 1/12/2011 by ruairi odonnell

2. sasasaasdasdas C# submitted on 6/30/2010 by Lubos Kostros

3. Load Lesson Collection C# submitted on 6/2/2010 by Kevin Shi

4. Error Handling C# submitted on 5/6/2010 by Bhavesh Patel

5. testiram funkcionalnosti C# submitted on 4/1/2010 by Peter Kirič

Security

1. Basic Encryption/Decryption C# submitted on 3/9/2010 by Marc Piulachs

2. Check if user existing/valid in Active Directory VB.NET submitted on 9/13/2007 by Raphael Okelola

3. Switch from HTTP to HTTPS automatically C# submitted on 3/18/2007 by Zepho Zep

4. Symmetric key encryption and decryption using Rijndael algorithm. C# submitted on 11/7/2006 by Matej Flis

5. Creating CAPTCHA Image C# submitted on 9/18/2006 by Utkarsh Shigihalli

GDI+

1. Resizing a Bitmap image C# submitted on 3/9/2010 by Marc Piulachs

2. Windows XP Theme detector C# submitted on 5/8/2006 by Zepho Zep

3. ScreenCapture: Captures the primary desktop screen. C# submitted on 2/21/2006 by Palle Kristensen

4. Resize images proportionally, with high quality ouput C# submitted on 1/27/2006 by Ernesto Giralt

5. Drawing Round-Edged Rectangle Using VB.NET VB.NET submitted on 12/23/2005 by Ronald Allen

Best Practices

1. Property w/ backing field + Debug attibutes + Documentation C# submitted on 1/4/2008 by Alex Occulate

2. Bichinha Detector Code HTML & Javascript submitted on 9/18/2007 by Rafael Mello

3. thread launch C# submitted on 4/6/2007 by Paolo Benjamin Briones

4. Generic Singleton Pattern C# submitted on 5/6/2006 by Simone Busoli

5. Singleton pattern VB.NET submitted on 10/14/2005 by Benoit Gauthier

Extension Methods

1. String extension methods that encodes/decodes a string to Base64. C# submitted on 3/23/2010 by John Tolar

2. string extension method that converts the string to a byte-array using default/specified encoding. C# submitted on 3/23/2010 by John Tolar

3. string extension methods that uses regular expressions to split a string into parts. C# submitted on 3/23/2010 by John Tolar

4. Group of string extension methods that uses regular expressions to replace parts of a string. C# submitted on 3/23/2010 by John Tolar

5. String extension method that uses regular expressions to determine if the string matches to a given regex pattern. Allows you to specify RegExOptions C# submitted on 3/23/2010 by John Tolar

Math

1. test test test C# submitted on 5/2/2007 by M J

2. nCr function C# submitted on 7/12/2006 by yancyn Then

3. nPr, permutation C# submitted on 7/12/2006 by yancyn Then

4. factorial function C# submitted on 7/12/2006 by yancyn Then

5. Creates a LONG value by concatenating the specified values. C# submitted on 5/17/2006 by Zero Override

ASP.NET

1. CustomValitaor C# submitted on 5/13/2011 by zhu xiaowu

2. Insert javascript file C# submitted on 12/20/2007 by Robin Reekers

3. Insert stylesheet C# submitted on 12/20/2007 by Robin Reekers

4. ValidateLogin C# submitted on 10/9/2007 by stevenkovich tang

5. Criar e Configurar WindosServices C# submitted on 10/4/2007 by carlos martins

Remoting

1. Get the users Login ID / Network User ID / USERID / Windows Principal C# submitted on 12/14/2005 by Robert Wagner

2. FileShareClient.cs C# submitted on 10/29/2005 by Robert Wagner

3. public static double Divide(double x, double y) C# submitted on 4/29/2005 by Robert Wagner

4. Make your client overlook the certificate name mismatch programmatically. Little variation on code by Ted Graham and msdn. The class must be assigned to System.Net.ServicePointManager.CertificatePolicy in the beginning of client code. C# submitted on 4/27/2005 by Isabelle Therrien

Advanced Sample

1. Enumerate installed patches for a given product using MSI API C++ submitted on 8/7/2006 by Yan Michalevsky

2. Copy a datatable to a new datatable VB.NET submitted on 10/4/2005 by Janus Hansen

3. C# : Great Debug Information using the StackFrame C# submitted on 5/4/2005 by Damon Carr

4. C#: Test for Out Of Memory using Unsafe Code C# submitted on 5/2/2005 by Damon Carr

5. C# : Return Information from the Call Stack to help in Debugging your Code C# submitted on 5/2/2005 by Damon Carr

Mail

1. Sending Mail through authenticated SMTP server C# submitted on 6/2/2005 by Prasad GVL

2. Decoding text encoded in Quoted-Printable format C# submitted on 6/2/2005 by Prasad GVL

3. Email validation w/ DNS in java J# submitted on 4/17/2005 by J.Marc Piulachs

Enterprise

1. Windows event log helper based on IssueVision Smart Client sample C# submitted on 6/2/2005 by J.Marc Piulachs

2. Bind to Active Directory and create a new user VB.NET submitted on 4/24/2005 by J.Marc Piulachs

3. CSV parser for C# C# submitted on 4/22/2005 by J.Marc Piulachs

4. Detect an Visual Studio running instance C# submitted on 4/6/2005 by J.Marc Piulachs

5. How to convert a colour image to grayscale C# submitted on 4/6/2005 by J.Marc Piulachs

Visual Studio

1. Update SQL databace from CSV file VB.NET submitted on 8/9/2006 by Mischa Princ

2. Draw images to a listbox and control font settings for each item VB.NET submitted on 4/16/2006 by Matt Simmons

3. Single Region C# submitted on 2/28/2006 by jay johnson

4. File selector UITypeEditor C# submitted on 1/2/2006 by J.Marc Piulachs

5. Guint FoFiBase::getUVarBE C++ submitted on 9/29/2005 by li hongbin

Beginner Sample

1. grab record from db and subtracts it from variable VB.NET submitted on 9/16/2010 by Marcus Reed

2. Compare Byte Array VB.NET submitted on 1/25/2008 by L H

3. create a popup menu in anywhere you want! C# submitted on 4/28/2007 by ryan fu

4. Javascript to close a popup and refresh the parent window HTML & Javascript submitted on 3/21/2007 by Greg Gamble

5. Simple and secure password generation C# submitted on 3/21/2007 by Greg Gamble

Common Controls

1. WDM - Xceed Delete VB.NET submitted on 3/27/2006 by Daren Hawes

2. WDM - Outlook Panes Navigation VB.NET submitted on 3/27/2006 by Daren Hawes

3. Animated Gif C# submitted on 1/10/2006 by Robert Wagner

4. Fade the form into view on the load event C# submitted on 1/10/2006 by Robert Wagner

5. Hook into the paint event for myButton. Create a new graphics object C# submitted on 1/10/2006 by Robert Wagner

Other

1. TDT - GridPage - Page_Init C# submitted on 7/31/2012 by Guss Davey

2. Starting a windows service from .net C# submitted on 12/10/2007 by Poovannan Rajendran

3. Get an exceptions full stack trace with inner ex C# submitted on 3/19/2007 by Zepho Zep

4. Provides the reverse of a passed in string VB.NET submitted on 3/19/2007 by Marc Piulachs

5. Search into a SQL 2005 database VB.NET submitted on 11/2/2006 by Metaferia Amhayesus

IO

1. Read file line by line C# submitted on 3/9/2010 by Marc Piulachs

2. create PDF document using Itextsharp.dll VB.NET submitted on 5/3/2007 by do hoang hai

3. read Exel WorkSheet VB.NET submitted on 5/3/2007 by do hoang hai

4. Enumerate all files in a directory C# submitted on 8/7/2006 by Yan Michalevsky

5. Export DatagridView to CSV VB2005 -Pat Tormey VB.NET submitted on 6/30/2006 by Pat Tormey

ADO.NET

1. Read a column from a databsae VB.NET submitted on 11/3/2006 by Metaferia Amhayesus

2. Test Dataset for errors VB.NET submitted on 9/13/2006 by Dwaine Wright

3. Copy values of one row to another row VB.NET submitted on 9/13/2006 by Dwaine Wright

4. Add Rows To Table VB.NET submitted on 9/12/2006 by Kuntal Shah

5. Merge Tables VB.NET submitted on 9/12/2006 by Kuntal Shah

Interop

1. The following class implements the functionality of the QueryPerformanceCounter() and QueryPerformanceFrequency() API methods. C# submitted on 1/31/2006 by Zepho Zep

2. Flashes the specified window one time C# submitted on 1/31/2006 by Zepho Zep

3. SetWebBrowserFooter C# submitted on 1/10/2006 by Robert Wagner

4. Invoke commands on the Web Browser control. C# submitted on 12/19/2005 by Robert Wagner

5. Printing Win32 API C# submitted on 8/31/2005 by Milan B.

Smart Clients

1. INotifyPropertyChanged C# submitted on 7/11/2010 by Chris Koenig

2. Displays a MessageBox C# submitted on 11/20/2006 by Steven Lewis

3. Simple helper class that performs base64 encoding / decoding. C# submitted on 12/29/2005 by Robert Wagner

4. The Settings class does all of the work. C# submitted on 12/29/2005 by Robert Wagner

5. Read / write settings to config (xml) file. C# submitted on 12/29/2005 by Robert Wagner

COM

1. ActiveX late binding (ThumbCtl class example) C# submitted on 2/13/2007 by Rafał Ziółkowski

2. Register .NET asembly windows installer class C# submitted on 1/10/2006 by J.Marc Piulachs

Network

1. Your Current IP VB.NET submitted on 12/16/2006 by Metaferia Amhayesus

2. Easy server ping VB.NET submitted on 10/14/2006 by Mischa Princ

3. Internet Connection Status C# submitted on 5/26/2006 by Simone Busoli

4. Sends out an echo request to a specific computer on the network (Ping for .NET) C# submitted on 4/24/2006 by Zepho Zep

5. Test an Ip Address to see if it's contained in a subnet VB.NET submitted on 2/21/2006 by Mark Brackett

Arrays

1. Convert String To Array Byte C# submitted on 3/18/2008 by Ho Hoang

2. IComparable example to sort array elements C# submitted on 5/1/2006 by Zepho Zep

3. Storing Multidimensional Arrays in the Registry C# submitted on 4/25/2006 by Zepho Zep

4. Get Missing Items from 2 Arrays C# submitted on 12/30/2005 by Josh Crosby

5. Expand/Increase size of an array C# submitted on 10/15/2005 by Jan Zieschang

Peer to peer

1. P2P Transfer class TCPListener and the TCPClient classes C# submitted on 12/19/2005 by Robert Wagner

2. p2p File Share Server C# submitted on 10/29/2005 by Robert Wagner

ASP.NET

1. Generate random numbers C# submitted on 12/10/2007 by Poovannan Rajendran

2. betoxz - Varrer radioButtonList para pegar valores HTML & Javascript submitted on 10/3/2007 by carlos martins

3. Betoxz - Varre Grid infragistics pegando valores C# submitted on 9/11/2007 by carlos martins

4. Export ListBox Item to DataTable, useful to session or re-binding data. VB.NET submitted on 4/23/2007 by Duong Tuan Anh

5. Sharepoint 2007 Load DropDownList from list that depends on other C# submitted on 1/4/2007 by Jaime López

Strings

1. How to create a stream from a string in .Net VB.NET submitted on 8/11/2010 by Robert Richards

2. Boolean check for string as Integer C# submitted on 3/29/2007 by Vidar Markussen

3. Generate Luhn C# submitted on 3/29/2007 by Vidar Markussen

4. Check if a string is a number C# submitted on 6/8/2006 by Greg Gamble

5. Display Currency as text (Dollars & Cents) VB.NET submitted on 3/22/2006 by Mark Conway

Webservices

1. Consume Webservice via proxy server C# submitted on 2/5/2007 by Rafał Ziółkowski

2. How to POST to a generic Web Service C# submitted on 5/10/2006 by Fabian Nicollier

3. Web Service for File Transmission VB.NET submitted on 4/5/2006 by Leonardo Grimaldi

4. How to Create a Web Service in C# C# submitted on 12/19/2005 by Robert Wagner

Windows Forms

1. Get the file extension from a file path or file name VB.NET submitted on 9/17/2010 by Antonio Cosano

2. DoubleBufferedPanel C# submitted on 11/2/2007 by david huntley

3. Pretty Form Caption using filename and version number. C# submitted on 7/17/2007 by David Gentils

4. Finding file types in vb.net VB.NET submitted on 5/24/2007 by Avi T

5. perform a wait, like if you would like to show a notification for a while then hide the notification C# submitted on 11/2/2006 by Waleed Al-Hezam

Regular Expressions

1. Validate credit card number by regular expression C# submitted on 5/1/2006 by Brian Madsen

2. Regular Expression matches to a string. C# submitted on 1/6/2006 by Galen Taylor

3. Validate email address VB.NET submitted on 10/14/2005 by Benoit Gauthier

4. Finds and extracts the title of HTML file with RegEx C# submitted on 9/2/2005 by Zepho Zep

Database

1. Betoxz - Criar Pivot Tables T-SQL submitted on 10/23/2007 by carlos martins

2. Create SQLDataAdapter when given the Database Name and the required SQL string C# submitted on 6/21/2007 by Ryan Blake

3. DataRow to String VB.NET submitted on 9/13/2006 by Dwaine Wright

4. WDM - SQL SP Return DS VB.NET submitted on 7/17/2006 by Daren Hawes

5. WDM - SQL SP Execute Non Query VB.NET submitted on 7/17/2006 by Daren Hawes

NET

1. Convert a databound boolean field value to "Yes" / "No" VB.NET submitted on 7/27/2010 by Jeremy Burgess

2. Convert a databound boolean field value to "Yes" / "No" C# submitted on 7/27/2010 by Jeremy Burgess

3. Create a Windows Program Using C# C# submitted on 6/2/2010 by Kevin Shi

4. DateTimeValidation VB.NET submitted on 5/8/2007 by behdad khoshbin

5. DateTimeFormatParse VB.NET submitted on 5/8/2007 by behdad khoshbin

Win32 API

1. Detect running Visual Studion instance C# submitted on 3/8/2010 by Marc Piulachs

2. Check if filename is valid (Win32) C# submitted on 3/19/2007 by Zepho Zep

3. adding users C# submitted on 10/24/2006 by Aniel Pepe

4. Get Temp directory path C++ submitted on 8/7/2006 by Yan Michalevsky

5. Is screenserver running ? C# submitted on 7/24/2006 by Zepho Zep

Utility

1. Allows you to add string values to Enumerations using an Attribute. C# submitted on 3/22/2010 by John Tolar

2. Use Reflectionto create an instance of the generic type specified using the parameters specified. Extension Method. C# submitted on 3/22/2010 by John Tolar

3. Uses Reflection to create an instance of a generic type specified using the default constructor. C# submitted on 3/22/2010 by John Tolar

4. Returns the date for the first day of the week C# submitted on 8/28/2007 by Todd Knudsen

5. Returns last day of month based on passed in date C# submitted on 8/28/2007 by Todd Knudsen

Internet

1. Javascript that will allow text box entry by selected key board keys ... Validation HTML & Javascript submitted on 3/21/2007 by Greg Gamble

2. Retrieve Web Image VB.NET submitted on 4/26/2006 by Captain Akahige

3. Download file via FtpWebRequest C# submitted on 3/2/2006 by Detlef Grohs

4. How to check to make sure a URL is valid C# submitted on 12/19/2005 by Robert Wagner

5. Make Http Request with Proxy support C# submitted on 12/1/2005 by Andries Coetzee