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C# 3.0

C#3.0

Great Reads

Cryptographic Interoperability: Keys

by Jeffrey Walton

Import and export Cryptographic Keys in PKCS#8 and X.509 formats, using Crypto++, C#, and Java.

Calcium: A Modular Application Toolset Leveraging PRISM – Part 2

by Daniel Vaughan

Calcium provides much of what one needs to rapidly build a multifaceted and sophisticated modular application. Includes a host of modules and services, and an infrastructure that is ready to use in your next application.

Simple Method of DLL Export without C++/CLI

by Dark Daskin

Article describes how to build an assembly that exposes functions to unmanaged code without C++/CLI

WPF: If Carlsberg did MVVM Frameworks: Part 6 of n

by Sacha Barber

It would probably be like Cinch, an MVVM framework for WPF.

Latest Articles

Design Pattern FAQ - Part 1 (Training)

by Shivprasad koirala

Design Pattern FAQ - Interview Questions (Quick Reference)

DICOM Image Viewer

by Harsha T, Amarnath S, S Mahesh Reddy

A simple viewer of images stored in the DICOM 3.0 File Format (C#). The file should have raw pixel data, uncompressed. Window Level functionality is also provided.

Sprache.Calc: Building Yet Another Expression Evaluator

by AlexeyYakovlev

This paper demonstrates a technique of building Sprache parsers using grammar inheritance.

Reuse a Single ClickOnce Build for Different Life-cycle Endpoints for an Application

by Randy Kroeger

This article provides an example on how you can change application configuration settings within an existing ClickOnce publish, update the manifest files, followed by using the Mage utility for updating the manifest using the existing cert file.

All Articles

C# 3.0

Using Extension Methods To Avoid XML Problems

10 Jul 2014 by #realJSOP

Extension methods can help you avoid sticky situations.

Bind Enum data to Dropdown List By Sorting

26 Dec 2010 by #realJSOP

Can't you just call Enum.GetNames(), and then bind to the collection returned by that method?

Change LINQ Connection String Dynamically with Programming

4 Jun 2014 by A. Najafzadeh

This tip shows how to change LINQ-to-SQL connection string at runtime via programming.

How to Bind Derived Type in MVC View

9 May 2013 by Abhay@Accenture

How to bind Derived Type in MVC View

web_development

Comparision between Response.Redirect, Response.RedirectParmanent and Server.Transfer

10 Sep 2009 by Abhishek Sur

It is to be noted, .NET has lately introducedResponse.RedirectParmanent() after a long await. The main motive of this is tohave permanent response redirection to the Search Engines.Response.RedirectParmanent() is an extension function introduced in .NET 4.0.Themain motive of it is to indicate

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...

Simple Caching with AOP

30 Apr 2014 by AdrianJ2K

An implementation of a Simple Cache using PostSharp, ConcurrentDictionary with a Lazy value and dynamics

Increase productivity with Visual Studio extensions

30 May 2012 by Ahsan Murshed

This article gives ideas to developers to increase development time productivity using the free Visual Studio 2010 extensions.

Custom Paging Control

20 Apr 2013 by Aliaa Ezzat

Custom paging control for repeaters

Avoid default formatting when exporting data from datagrid to excel.

14 Oct 2010 by ambatisreedhar

Export to Excel,default formatting of excel,excel number format,excel date format,excel currency format

Binding with Properties defined in Code Behind

7 Jul 2013 by Amit_Mittal

An easy way to bind XAML with properties defined in code behind

Listview Paging in C#

31 Jan 2013 by Anand Gunasekaran

Listview Paging Feature to split the records of the listview in sevaral pages.

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(); ...

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"

31 Aug 2012 by Andrew Rissing

A function to generate an endless collection of scrolling text for your use/amusement.

Quartz.Net - Custom Base Job

7 Jun 2012 by AndrewSmith

Creating a custom base job class for quartz scheduler development

21 Sep 2010 by anshudutta

web_development

Conversion Between All .NET Languages

10 Jun 2010 by Anshul R

The Perfect Translation/Conversion of Code

Checking Internet Is Connected Or Not From .NET

27 May 2011 by Anshul R

Dim value As Boolean = My.Computer.Network.IsAvailable can be used in a situation where the only network a system will be connected to is the Internet.Dim value As Boolean = My.Computer.Network.Ping(hostNameOrAddress ,timeout) hostNameOrAddress can be any valid website -...

Show MyComputer, ControlPanel, RecycleBin, NetworkPlaces on Button Click

27 May 2011 by Anshul R

For Control Panel:Process.Start("control.exe");For My Computer:Process.Start("explorer.exe", Environment.GetFolderPath(Environment.SpecialFolder.MyComputer));For the rest, we can use GUID just like the original.For Recycle...

Understanding and Extending Controller Factory in MVC

24 Feb 2014 by Anupam Singh_

This tip is all about understanding the controller factory and exploring it...

Unicode to Krutidev, Krutidev to Unicode Convertor in C#

14 Oct 2012 by AnuragTripathi

Convertor for Unicode to Krutidev and vice-versa.

IE10 and ImageButtons

20 Nov 2012 by Arno1973

A fix for ImageButtons problem in IE10 when project is not 4.5

Remote Debugging on IIS

25 Mar 2011 by Ashwani Hundwani

Lazy Loading using Windsor Castle

13 Feb 2014 by Ashwin. Shetty

Lazy loading object in DI using Castle Windsor & System.Lazy

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...

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

Some of the Anti Patterns

16 Jul 2013 by Atulkumar P Patel

Anti Patterns are wrong practice followed by Developers. They are opposite to Design Patterns.

How to Host Windows Form in Windows User Control

30 Apr 2013 by Aydin Homay

In the tip, I want to illustrate how to host windows form in windows user control

How to Integrate Office 365 Active Directory to Azure and Authenticate Your Application Using Office 365 User

4 Dec 2013 by Azure Developer

Authentication ASP application using Office 365 User

Non-resizable columns in GridViewHeaderRowPresenter

13 Sep 2012 by azweepay

Create a GridViewColumnCollection with resizable and non-resizable columns

WPF Custom Attached Property

4 Dec 2013 by Balachandar Jeganathan

Custom attached property in WPF

Difference Between var and dynamic in C#

17 Jun 2013 by bbirajdar

Difference between var and dynamic in C#

Shortcut for format code file with proper spacing or tab

19 Oct 2010 by Behzad Talebpour

Alternatively, you can erase your closing bracket (}) and VS will format the whole block (between opening & closing bracket). This works only if there is no syntax error in that block.

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

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...

Exploring the Behaviour of Property Grid

7 Nov 2012 by Bhasker Kandpal

Exploring the behaviour and capabilities of a property grid control.

Simple and Best Example of How to Work with Event Handlers

29 Jun 2012 by Bhavanarayana.Vempati

Simple and best example of how to work with Event Handlers.

C# Alternative ProgressBar

3 Sep 2013 by blitzkrieged

An alternative ProgressBar for C# with extra functionality

A Simple and Powerful Library to Deal with Web Robots Control Strategy

6 Mar 2014 by bluecurve01

How to parse robots.txt and robots meta tag

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.

Working friendly with null object references through extended functions

2 Apr 2010 by cao4zy

Introduction...

A Custom ServiceHostFactory

8 Sep 2008 by cesar_boucas

A custom derivative of ServiceHostFactory to control how WCF service hosts are created.

Show MyComputer, ControlPanel, RecycleBin, NetworkPlaces on Button Click

27 May 2011 by charles henington

public enum ProcessType { ControlPanel, MyComputer, NetworkPlaces, RecycleBin } private static string MyComputer = "::{20d04fe0-3aea-1069-a2d8-08002b30309d}"; private static string RecycleBin =...

Simple Polynomial Addition and Subtraction

2 Dec 2014 by charles922

Simple Polynomial Addition and Subtraction using Lambda Expressions for sorting Lists

3D Puzzle with OpenGl and C#

20 Jan 2015 by charles922

3D programming with OpenGl and C# to create an interactive puzzle

A Single SignOn Implementation

9 Feb 2016 by Chihwei Chang

UDP based Windows chat application

13 Jul 2012 by Christopher John Paul

UDP based chat application.

Ajax Asynchronous postback

6 Sep 2012 by Christopher John Paul

Ajax Asynchronous Postback Method

Converting a List to a DataTable

20 Jul 2011 by cmschick

Thanks for sharing. I have a similar utility with additional capabilities that some of you might find useful.using Microsoft.VisualBasic;using System;using System.Collections;using System.Collections.Generic;using System.Data;using System.Diagnostics;using...

Use Lambda Expressions as Unmanaged Callbacks

5 Nov 2010 by codefabricator

// Even more simplifiedclass Program{ [DllImport("user32", ExactSpelling = true)] static extern bool EnumWindows(WNDENUMPROC lpEnumFunc, IntPtr lParam); [UnmanagedFunctionPointer(CallingConvention.Winapi)] delegate bool WNDENUMPROC(IntPtr hwnd, IntPtr lParam); ...

Win7: Reconnect Network Mapped Drives

17 Apr 2012 by ColinBashBash

Script to reconnect Windows mapped drives (Win7).

how can we change the value of one column on change of other column in gridview.

12 Jun 2012 by coolnavjot31

In this Artcile i will show you how can we change the value of one column on change of other column in gridview.

Thread-Safe ObservableCollection<T>

10 Dec 2016 by Cory Charlton

A thread-safe implementation of the ObservableCollection class

How to clear a Multiple TextBox values in a single click in C# .NET

26 Sep 2011 by CS1401

Using this method, we can clear the text stored in a textbox easily.

Get .NET Framework version

19 Dec 2010 by cs981khx

Code snippet that gets you the latest version of .NET and also checks if a specific version exists

Custom Strongly-typed HtmlHelpers in ASP.NET MVC

22 May 2012 by Daniel Lo Nigro

Custom strongly typed HtmlHelpers in ASP.NET MVC

C# Storable Box Control 1.4.0.4

6 Mar 2015 by Darkencrow

A multi-drawer style collapsable UI container

Remove blank lines from code in Visual Studio

13 Oct 2010 by Dave Paras

Shortcut for format code file with proper spacing or tab

14 Oct 2010 by Dave Paras

.Net Performance tip - 2

22 May 2010 by DaveAuld

Here is a better evaluation of performance in .Net of the If / Switch operations;http://www.blackwasp.co.uk/SpeedTestIfElseSwitch.aspx[^]

CD / DVD Tray Locker

13 Jan 2011 by DaveyM69

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

CustomBackgroundWorker where the initial argument is passed to all events

22 May 2010 by DaveyM69

Enables access to the original argument in all events

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.

Generic Thread Start

22 Mar 2011 by DaveyM69

Starting a thread using a generic argument

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!

Attaching a Console to a WinForms application

7 Feb 2012 by DaveyM69

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

Basic Event Creation in C#

3 Sep 2010 by DaveyM69

A few quick examples of how to correctly create events.

Generic List Conversion

6 Sep 2010 by DaveyM69

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

Select multiple checkboxes in a GridView in online shopping websites

12 Jul 2013 by Deenuji

Select multiple checkboxes in a GridView in an online shopping website.

User Session in ASP.NET

22 Aug 2015 by Deepak Kr Choudhary

This article is about the session use in ASP.NET.

Auto complete textbox in jQuery Tabs content

2 Jun 2012 by deepaktripathi

Using auto complete textbox in jQuery Tabs content via AJAX in an Microsoft MVC project.

Rendering AltNETType (= .NET FreeType port) with OpenGL

14 Oct 2013 by Demid Korneev

Example of AltNETType use in OpenGL

How to measure execution time with C#

12 Dec 2011 by Denno.Secqtinstien

Code that measures a time interval as you would measure the execution time of a task

First You See Them. Then You Don’t. Now You Will.

1 Mar 2013 by dgDavidGreene

How to find and link config and other files from other projects within your solution.

WPF Preloader Control

4 Nov 2014 by Diwakar M A

WPF based preloader animation sample. Let's make WPF applications more interactive during long process.

Format Specifier to Get Quarter Value of a Date

9 Apr 2013 by dotted_decimal

Extension method that defines a format specifier q or Q and finds the Quarter for a DateTime value

Homomorphic Filtering in C#.NET

28 Sep 2012 by Dr. Vinayak Ashok Bharadi

Homomorphic filtering is a generalized technique for signal and image processing, involving a nonlinear mapping to a different domain in which linear filter techniques are applied, followed by mapping back to the original domain.

GCD Simplified using lambda

12 May 2011 by DrABELL

Hello Steven,As FYI: recently I have published on CodeProject a short article (tip) on rather efficient implementation of GCD/LCM based on Euclid algorithm. They use iteration instead of recursion, because re-cursive algorithms in general and in this particular case are relatively...

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.

How to fix "LocalDB - Requested Login failed"

20 May 2014 by Ed Nutting

How to fix LocalDB / SQL Server: "Cannot open database "XYZ" requested by the login. The login failed. Login failed for user ABC"

PrettyXML (.NET Port)

12 Jul 2012 by ednrg

This is a .NET port of a VBScript utility

Automatic Undo/Redo

11 Feb 2015 by Emiliano El Mariachi

Here is a small library to help you have an automatic undo/redo feature without explicit dependency on Undo/Redo system.

WPF C# / VB.NET Additional (fourth) button on window titlebar (Aero only!)

22 Jul 2014 by Emiliarge

Using WindowChrome from Microsoft.Windows.Shell.dll

C# / VB.NET / C++ CLI: Read and write MS Access (mdb) database without ADO and SQL via Microsoft DAO

18 Aug 2014 by Emiliarge

Read and write data to Access databases without limitations caused by the use of the SQL.

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

C#: Read and Write Excel (*.xls and *.xlsx) Files Content without Excel Automation (using NPOI and ADO.NET)

30 Aug 2014 by Emiliarge

2 ways to read and write data to *.xls and *.xls files and display it on DataGridView.

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.

WPF: Compare two brushes using IsEquals

17 Dec 2012 by fadi_sayyed

WPF Compare two brushes IsEquals

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...

How to animate vertical centering of a Silverlight 4 Toolkit Expander within a ScrollViewer

4 Jun 2010 by fjparisIII

Cannot use Storyboard because ScrollView.VerticalOffset property is read-only. Must use old fashioned DispatchTimer.

Checking Internet Is Connected Or Not From .NET

25 Dec 2011 by Gandhi Ashish

Checking Internet Is Connected Or Not From .NET

Service Locator Pattern

18 Sep 2014 by Gautham Prabhu K

Creating and using Service Locator pattern

Filtering records from List similar to Sql IN Operator using LINQ

27 Feb 2012 by Greg Sipes

An alternate solution.

POCO to SharePoint CAML Query

27 Jan 2014 by Handy Torres

POCO to CAML simplifies creating of CAML queries by using expression trees.

Manual Scroll Panel in a Panel or UserControl with AutoScroll=false

18 Feb 2011 by harbor

Manual Scroll Panel in a Panel or UserControl with AutoScroll=false

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

Include JavaScript Files with Automatic Versioning

9 May 2013 by Hernán Hegykozi

Versioning file inclusion JavaScript by date of last modification

Selfhosted Secure WCF by Id password, custom validation

2 Aug 2012 by Himanshu Thawait

WCF With No config file needed – all setting in code only, No IIS – Self hosted, consume by channel factory

Webservice Using Javascript.

27 Aug 2010 by Hiren solanki