The Array class already contains this capability with no casting required. The IndexOf method is a static one that returns the index of the value and a -1 if it doesn't exist.Here is an example:exists = Array.IndexOf(arr, "item") >= 0

C#2.0

Parallel Port Control with C# .NET 2.0

17 Aug 2012 by Arman Aşçı

Parallel port data register control with C# .NET 2.0 and inpout32.dll.

C#2.0

parallel

Trick when using Array.Contains()

20 Jun 2011 by Kiran Sonawane

A trick when using Array.Contains()

C#2.0

Changing a WinForms Control on the 'UI' Thread from another Thread

23 Mar 2010 by AspDotNetDev

This version works regardless of parameters:public void AnyMethod(int parameter){ MethodInvoker wrapper = new MethodInvoker(delegate() { // Do your thing here! }); if (this.InvokeRequired) this.Invoke(wrapper); else wrapper();}Note also...

C#3.0

C#4.0

C#2.0

A Lightweight File Backup Manager

24 Jan 2015 by shijo joseph

A file backup manager with simple user interface and all the essential functionalities.

Time in HH:MM:SS format form the second

16 Feb 2010 by Pranay Rana

Following is code by which you get time in (HH:SS:MM) formate by passing second as argument public string getFormattedTimeFromSecond(double second) { TimeSpan t = TimeSpan.FromSeconds(second); string formatedTime = string.Format("{0:D2}H:{1:D2}M:{2:D2}S", ...

C#3.0

C#4.0

C#2.0

Resolving a hostname in C# and retrieving IP version 4 address

15 Aug 2012 by Tyronne Thomas

Resolving a hostname in C#

Changing a WinForms Control on the 'UI' Thread from another Thread

23 Mar 2010 by Khaniya

this.BeginInvo...

C#3.0

C#4.0

C#2.0

Remove blank lines from code in Visual Studio

19 Oct 2010 by Ziv Nitzan

There is also a Visual Studio extention called CodeMaid that has a lot of cleaning options http://bit.ly/diMTaR

Deeply Nested JSON Deserialization Using Recursion and JavaScriptSerializer

28 Apr 2015 by Hassan Alrehamy

JSON Deserialization in depth concept and Dictionary mapping. Special Thanks to Dr. Coral Walker

Generic List Conversion

6 Sep 2010 by DaveyM69

How to convert a generic List of derived types to a generic list of base types.

C#3.0

C#4.0

C#2.0

Heart shaped Form in C# 2.0

6 Apr 2011 by intrueder

My alternate uses the AddBezier method, and the size of the heart adjusts to the size of the form.private void Form1_Load(object sender, EventArgs e){ using(System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath()) { path.AddBezier(...

C#2.0

How To Hide Or Show .NET Tabs Programmatically

20 Nov 2011 by Bernhard Hiller

That's far too obscure.All you need to do is store a reference to the TabPage instance which was removed from the TabPages collection of the TabControl. You may use the form where the TabControl is placed for that purpose.You could also create your own TabControl which has an extra property...

Using Visual Studio Macros for Creating NHibernate Mapping file and Entity class

11 Aug 2010 by Santx - Santosh

C#2.0

Visual-Studio

Getting the Office 2010 button like Gradient

17 Jun 2011 by VallarasuS

Here is how you can achieve Gradients used in Office 2010 Buttons with a glow at the bottom.

How-To Convert a String Collection to a Multi-Enum Item Using TryParse

14 Feb 2014 by BenScharbach

How-To Convert a String Collection to a Multi-Enum item using TryParse

Attaching a Console to a WinForms application

18 Jan 2012 by johannesnestler

Very good tip. I just want to mention an alternative - you can just change your project output type to a console application. (You can undo it later if only needed for debugging). So if you started with a Windows Forms project in Visual Studio: Go to project properties/application/ and in the...

C#3.0

C#4.0

C#2.0

Transparent Database Encryption Tool

25 May 2012 by Tauseef M

This tool is used for Encryption of Database in SQL Server 2008 Enterprise Edition

Performing Insert, Update and Delete Operations using DetailsView Control in ASP.NET

17 Dec 2012 by AshishChaudha

This tip describes the working of DetailsView for inserting a new record, updating and deleting the existing details of the user.

C#2.0

ASP.NET

How to Bind Derived Type in MVC View

9 May 2013 by Abhay@Accenture

How to bind Derived Type in MVC View

Rendering AltNETType (= .NET FreeType port) with OpenGL

14 Oct 2013 by Demid Korneev

Example of AltNETType use in OpenGL

Changing a WinForms Control on the 'UI' Thread from another Thread

22 Aug 2010 by Moim Hossain

Doing like following for few years now :public void AnyMethod(int parameter){ var wrapper = new Action(()=> { // Do your thing here! }); if (this.InvokeRequired) this.Invoke(wrapper); else wrapper();}

C#3.0

C#4.0

C#2.0

Whats My IP Address ?

21 Sep 2011 by Anshul R

Private Sub GetIPAddress()Dim strHostName As StringDim strIPAddress As StringstrHostName = System.Net.Dns.GetHostName()strIPAddress = System.Net.Dns.Resolve(strHostName).AddressList(0).ToString()MessageBox.Show("Host Name: " & strHostName & "; IP Address: " &...

C#2.0

Convert Text to Image

27 Nov 2011 by johannesnestler

I'd like to offer a "funny" alternative by using a dummy TextBox. public static Bitmap GetPlainTextBitmap(string strText, Font font, Color colorBack, Color colorText, Size sizeTargetBitmap) { // Create a dummy TextBox TextBox txDummy = new TextBox(); ...

C#2.0

How to insert Data in SQL server via SqlDataSource in ASP.NET

18 Feb 2012 by Sajid Asghar

How to insert Data in SQL server via SqlDataSource in ASP.NET

C#2.0

LINQ: OrderBy with Complex Sort Key

5 Jun 2012 by Andreas Gieriet

This is an alternative for "Sorting Strings based on the position of the block letter"

Connect to observu.com monitor and send data

24 Jul 2012 by Sumon1524

Observu monitors your websites from multiple locations and combines it with measurements collected on your servers. Here this article will show how to send data to Observu.

C++

C#2.0

Mocking Event Handlers

19 May 2013 by Yossi Yaari

A solution for monitoring Events called during test.

Another Generic State Machine

19 May 2013 by Yossi Yaari

A basic yet generic state machine implementation

Hiding contents in ASP.Net user control designer

14 May 2014 by atlaste

How to fix hiding controls in the Visual Studio user control designer

Iterative Fast Forward 1D DCT-II on MSIL

31 May 2014 by Evgeny Pereguda

This is simple implementation of fast forward 1D DCT-II on MSIL which is generated at runtime.

ref and out Parameters in C#

3 Jul 2014 by yousafzai amazai

ref and out parameters in C#

Whats My IP Address ?

22 Sep 2011 by nlarson11

On Vista/Win 7, I have seen code where only a single period is returned for (0). This makes sure you get the actual IP regardless of the system.Const IPPattern As String = "^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$"With Dns.GetHostEntry(System.Environment.MachineName) Return...

C#2.0

Whats My IP Address ?

18 Nov 2011 by Denno.Secqtinstien

protected void Page_Load(object sender, EventArgs e){ HttpBrowserCapabilities bc = Request.Browser; Label1.Text = "IP Address=" + Request.UserHostAddress;}

C#2.0

Whats My IP Address ?

24 Nov 2011 by RayD111

Dim ipE As System.Net.IPHostEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName) Dim AL As Array = Dns.GetHostEntry(vWrkStn).AddressList Dim A As IPAddress For Each A In AL If A.AddressFamily = Sockets.AddressFamily.InterNetwork Then ...

C#2.0

Attaching a Console to a WinForms application

25 Jan 2012 by fastal

VB version:Friend Declare Function AllocConsole Lib "kernel32.dll" () As BooleanFriend Declare Function FreeConsole Lib "kernel32.dll" () As BooleanSub main() Dim MainForm As New frmMain If Command = "" Then MsgBox1 = AddressOf MyMsgBox1 ' messagebox delegate sub call...

C#3.0

C#4.0

C#2.0

Attaching a Console to a WinForms application

25 Feb 2012 by Andreas Gieriet

To not having spoiled the client code with #if DEBUG, you might use the following:[STAThread]static void Main(){ Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); try { Debugging.DebugSetupConsole(); ...

C#3.0

C#4.0

C#2.0

PrettyXML (.NET Port)

12 Jul 2012 by PIEBALDconsult

This is an alternative for "PrettyXML (.NET Port)"

Xml-WebService Array Parameters

12 Sep 2012 by Praveen Kumar Chauhan (PRK)

Sending Data Through XML to web Services

Post Serialized Objects (Data) in ASP.NET

25 Feb 2013 by ajaynarewade

This is helper class to post serialized objects (Data) to other page in asp.net.

Web-based Data Access Object

3 Apr 2013 by In the Face of God

Generalize to access data in a database via HTTP

Image Re-sizing Utility

19 Apr 2013 by indianDEV

Re-sizing images to equalize the width & height

A Simple C# Console Menu

17 Jan 2015 by LLLLGGGG

A really simple implementation of a C# menu for console applications

GoDaddy Email Form

12 Mar 2010 by jp2code

Introduction...

ProcessRequest(System.Web.HttpContext) Error in asp.net

23 May 2010 by Abid_Inamdar

C#2.0

CD / DVD Tray Locker

13 Jan 2011 by Steve Maier

To get this to work in .NET 4, you have to change the DLLImport signature.[DllImport("kernel32.dll", SetLastError = true)]private static extern IntPtr CreateFile( string lpFileName, uint dwDesiredAccess, int dwShareMode, ref SECURITY_ATTRIBUTES lpSecurityAttributes, ...

Generic Thread Start

22 Mar 2011 by supercat9

Another approach is to use a generic delegate-factory class. Essentially, the class has a field of generic type, a delegate field which accepts an argument of that type, an parameterless instance method which accepts an argument of that type and invokes the delegate with it, and a static method...

C#3.0

C#4.0

C#2.0

Getting the Office 2010 button like Gradient

20 Jun 2011 by adolfobarallobre

Here is code for an alternate:public class OfficeButton : Button{ public OfficeButton() : base() { } private Color mGradientGlowColorColor; // the Color field public Color GradientGlowColor // the Color property { get { return...

Debugger showing wrong source file when debugging in VS2005

24 Jun 2011 by nainakarri

Debugger showing wrong source file when debugging in VS2005

C#2.0

ASP.NET

Beware of Decimal Bytes

1 Jun 2012 by CoperNick

How suprising can be conversion of decimals to bytes in C#

Sorting Strings Based on the Position of the Block Letter

6 Jun 2012 by PIEBALDconsult

This is an alternative for "Sorting Strings based on the position of the block letter"

Converting Joystick into Mouse Radially

15 Apr 2013 by Lee Louviere

Convert joystick movement into mouse position from a fixed center.

C#2.0

.NET

Windows

Projectile Motion in Picturebox C#.Net

9 Mar 2013 by Syed Ubaid Ali Jafri

Capturing Entire Content of an Internet Explorer Window

14 Jun 2014 by Kaveh Yazdi Nezhad

A simple solution to capture entire HTML code of a web page which is displaying on Internet Explorer

NanoXML - Simple and fast XML parser

13 Nov 2013 by BrokenEvent

Simple and fast .NET XML parser without using System.Xml

Export Gridview Data to Excel in ASP.NET

17 Dec 2012 by AshishChaudha

This tip describes how to export data to an Excel file from a GridView.

Position a Windows Forms MessageBox in C#

6 Apr 2013 by Thomas Daniels

A tip about how to set the position of a Windows Forms MessageBox in C#

Allow write/modify access to CommonApplicationData

22 May 2010 by DaveyM69

Now your application can update it's saved data regrdless of the account it is running under.

Setting Null Binary Values In The Registry With C#

13 Oct 2014 by Ed Gadziemski

How to set a null binary value (zero-length binary value) in the registry from your C# program.

Most Useful VS2013 Tricks and Shortcuts!!

28 Dec 2014 by Pritam Deshmukh

This tip elaborates few useful tricks and shortcuts of VS 2013 mainly for professional edition (You can find them with Ultimate version too).

Execute a program in a second monitor

12 Mar 2014 by apis3445

With C# and the Windows API, you can execute a program in a second monitor.

C#2.0

.NET

.NET2.0

Convert Text to Image

17 May 2011 by RaviRanjanKr

Convert Text to Image

C#2.0

Serialize/Deserialize any object to an XML file

28 May 2013 by akramKamal

Code to serialize/deserialize any object to an XML file.

A 64bit Bit-Field in C#

5 Nov 2014 by Jeong, WonYoung(Brad)

Making BitField with C# alternative to BitField made with union and struct of C++

How to disable Autorun C#

8 Apr 2011 by Brijesh Kr

How to disable Autorun C#

C#2.0

Finite-Difference Model for the Thermal History of the Earth

15 Feb 2015 by Yuri Heymann

Source code for the article titled "A Finite-Difference Model for the Thermal History of the Earth

How to Use Rijndael ManagedEncryption with C#

1 Jan 2014 by Kees van Spelde

To encrypt or not to encrypt with C# .NET

Checking Internet Is Connected Or Not From .NET

16 May 2011 by J a a n s

For C# guys....using System ;using System.Runtime ;using System.Runtime.InteropServices ;public class Internet{ [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState( out int Description, int ReservedValue ) ; public static bool...

CD / DVD Tray Locker

13 Jan 2011 by DaveyM69

How to prevent a CD/DVD drive from being opened.

Central jQuery Version Control

21 Oct 2013 by Sitang Ruan

Central jQuery Version Control

Attaching a Console to a WinForms application

7 Feb 2012 by DaveyM69

How to have a real console window as well as your forms

C#3.0

C#4.0

C#2.0

Copy Remote Website to Modify Functionality Locally

1 Aug 2014 by Bryan Lyman

A method for duplicating a web page (including all scripts and styles) to run as if it originated from your own server, then modify server-side and client-side functionality afterwards.

Shortcut for format code file with proper spacing or tab

14 Oct 2010 by Dave Paras

Android GCM Push Notification

6 Aug 2012 by Mukund Thakker

Android GCM Push Notification

Resize Images to Size Limit

3 Jun 2013 by Philipp_Engelmann

This tip describes how to resize an existing image (e.g. uploaded by a user) so it does not exceed a defined size limit.

Run ASP.NET Website on Network through IIS 8.0

19 Feb 2014 by PallavSingh

How to run a website on one PC to another PC through IIS 8.0

C# / VB.NET / C++ CLI: Create, read and write MS Access (mdb, accdb), MySQL, SQL Server, SQL Server Compact and SQLite databases

13 Nov 2014 by Emiliarge

Both MS Access formats (mdb and new - accdb), MSSQL 2008 R2, MSSQL CE, SQLite, MySQL

Crystal Reports 2008 Dynamic Connection to Embedded Reports

13 Feb 2014 by Mik Wadstrom

Simple way to use Crystal reports as embedded dynamic printable reports

Fast, simple Bitmap editor class

1 Oct 2013 by Rui Jorge Carvalho

Fast and simple Bitmap processor...

Simple Password Generator

18 Dec 2013 by Sergey Morenko

Simple password generator, based on alphabets

C#3.0

C#4.0

C#2.0

Changing a WinForms Control on the 'UI' Thread from another Thread

21 Aug 2010 by DaveyM69

How to access a control from a different thread + good alternatives by other members!

C#3.0

C#4.0

C#2.0

Action Filter for Compression

17 Apr 2014 by gunjan k saxena

This tip will help to create an action filter to compress the contents like Json, partial view, etc.

CustomBackgroundWorker where the initial argument is passed to all events

22 May 2010 by DaveyM69

Enables access to the original argument in all events

C#3.0

C#4.0

C#2.0

How to Delete a File or Folder to Recyclebin

20 Sep 2012 by Anuraj Parameswaran

Delete a file or folder to Recyclebin using C#

Execute System.Net.Sockets.Socket.Connect Method with Timeout Controlled by System.Threading.Timer

10 Dec 2013 by JRINC

Connect to remote socket via System.Net.Sockets.Socket.Connect method with timeout controlled by System.Threading.Timer

Data Object to XML (Vice-versa) using C#

25 Oct 2013 by Monotosh Roy Mon

XML Serialization & Deserialization for converting our object to XML and XML to Object

Remove blank lines from code in Visual Studio

13 Oct 2010 by Dave Paras

Remove blank lines from code in Visual Studio

13 Oct 2010 by linebenchmark

Remove all blank lines, containing or not spaces:^:b*$\n

Whats My IP Address ?

14 Sep 2011 by Mohammad A Rahman

namespace IpAddresses{ using System; using System.Collections.Generic; using System.Linq; using System.Net; class Program { static void Main(string[] args) { GetIPAddresses().ForEach(ip => Console.WriteLine(ip)); } ...

C#2.0

Steps: Check-in/Check-Out Mechanism for TFS - To Avoid Build Errors and Improve Productivity

30 May 2013 by Mohammed Hameed

Check-in/Check-Out mechanism for TFS - To avoid Build errors and improve productivity.

Modular IEnumerable Extensions

8 Apr 2014 by LShep

This tip describes an IEnumerable extension method that allows you to select an item modulo Count()

Heart shaped Form in C# 2.0

29 Mar 2011 by Brijesh Kr

C#2.0

Complete Date/Time Picker Control

8 Aug 2013 by Peter T. Ringering

A complete replacement to Microsoft's Date/Time Picker control.

Visual Image Cryptography Generator

6 Mar 2014 by Jacky Yiu

Visual cryptography is a cryptographic technique which allows visual information (pictures, text, etc.) to be encrypted in such a way that the decryption can be performed by the human visual system, without the aid of computers.

XML Serialization and Deserialization

12 May 2012 by Md. Rashim Uddin

XML Serialization and Deserialization in c#

C#3.0