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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

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...

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", ...

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...

Webservice Using Javascript.

27 Aug 2010 by Hiren solanki

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

Extension Methods in C#

12 Apr 2011 by Kamran Behzad

You inspired me to contribute the DateTime extensions methods that I use in my programs. (But use at your own risk!). Thank you./// /// Date and Time Manager class./// public static class DateMan{ /// /// Returns the age in years for the given DOB...

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

Consuming Google Maps API Rest Services in .NET

23 Jul 2010 by Pandey Vinay

This is a direction to use Google Maps API Rest Services instead of using it from JavaScript.

Generic List Conversion

6 Sep 2010 by DaveyM69

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

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?

Linq Joins with SelectMany

19 Jan 2011 by Pranay Rana

Linq Joins with SelectMany

Try - finally alternative

5 Jun 2011 by JV9999

Not really, because what if your finally block would contain more lines of code than the single line you have in your example? That would make it already much harder to read.Secondly, you are misusing the Dispose method. You shouldn't invoke anything in it, especially not the Action, you...

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 Extension Methods To Avoid XML Problems

17 May 2010 by Rama Krishna Vavilala

I will just make it a little more compact by omitting the Contains method:public static string GetValue(this XElement root, string name, string defaultValue) { return (string)root.Elements(name).FirstOrDefault() ?? defaultValue; }The explicit operators for XElement...

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.

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...

Quartz.Net - Custom Base Job

7 Jun 2012 by AndrewSmith

Creating a custom base job class for quartz scheduler development

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

Using XMPP and Openfire Server in Windows Phone 8

18 Feb 2015 by Nandakishore G N

Windows Phone 8 chat application using Openfire server

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...

Transparent Database Encryption Tool

25 May 2012 by Tauseef M

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

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

How to Bind Derived Type in MVC View

9 May 2013 by Abhay@Accenture

How to bind Derived Type in MVC View

web_development

Rendering AltNETType (= .NET FreeType port) with OpenGL

14 Oct 2013 by Demid Korneev

Example of AltNETType use in OpenGL

Logging SOAP Web Service Envelop (Request and Reply) in .NET

25 Feb 2015 by Mohsen Heydari

Intercepting WCF and SOAP services for logging SOAP envelope

Remove Default Background Color of ListBox Item on Selection in Windows Universal App

26 Mar 2016 by Sumit Samediya

Here we will learn how to remove default background color of ListBox item on selection in Windows Universal App

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.

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();}

REMOTING using SQL Server

7 Jan 2011 by Member 3128846

Example to implement remoting concept using SQL Server database

How to fetch an image document from FileNet for a known Document ID

18 Dec 2011 by SwarnenduDas

How to fetch an image document from FileNet for a known Document ID

Convert DataTable to String by Extension Method

28 Sep 2011 by Ram Balak Sharma

Useful when calling a C# method from JavaScript by using JSON which returns a DataTable.

Filtering records from List similar to Sql IN Operator using LINQ

27 Feb 2012 by Rishikesh_Singh

Filtering records from List similar to Sql IN Operator using LINQ

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"

Multiple Values Slider

13 Apr 2013 by InbarBarkai

Create and use a multiple value slider

Get page HTML from URL using WebClient, Strip HTML using Regex , export a list of Anchors into Excel or XML.

6 Nov 2012 by SoumenBanerjee

Get page HTML using System.Net.WebClient class of .NET as well as striping HTML using Regex and export a list into Excel or XML.

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

Passing parameters to Success method in executeQueryAsync in SharePoint

21 Aug 2013 by shahed.sohail

Passing Parameters to Success method in executeQueryAsync.

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#

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.

Dynamic SQL Connection in ASP.NET 3.5 with User Controls

19 Jun 2015 by ss9o9o9o

Transferring backup files from a remote SQL Server and Dynamic SQL Connection with Restore utility.

SQL-Server-2005

Working friendly with null object references through extended functions

2 Apr 2010 by cao4zy

Introduction...

Adding fonts to Infragistics WebHtmlEditor

23 Mar 2011 by Narsimlu Keshagouni

Adding fonts to Infragistics WebHtmlEditor

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...

Convert DataTable to String by Extension Method

30 Sep 2011 by Mohammad A Rahman

Following might be another way to do the job:public static string ConvertDataTableToString(this DataTable dt){ StringBuilder stringBuilder = new StringBuilder(); dt.Rows.Cast().ToList().ForEach(dataRow => { ...

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...

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(); ...

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.

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

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

Find and Replace Content of Multi-Resource File using Console Application

21 Apr 2014 by munagalasantosh

Access Multiple Resource file and find and replace the textual content in resource file

Simple Polynomial Addition and Subtraction

2 Dec 2014 by charles922

Simple Polynomial Addition and Subtraction using Lambda Expressions for sorting Lists

A Simple C# Console Menu

17 Jan 2015 by LLLLGGGG

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

Allow only one instance of a c# application

2 Mar 2010 by Rudy du Plooy

This code creates a mutex before starting an application and releases the mutex when the application is closed. A user will only be able to start the application once. This can be used for services as well./// /// The main entry point for the application.///...

21 Sep 2010 by anshudutta

web_development

Bind Enum data to Dropdown List By Sorting

30 Dec 2010 by Xmen Real

here is what I do to iterate through enumpublic static ABC(Type enumType){ foreach (Enum e in Enum.GetValues(enumType)) { int tvalue = Convert.ToInt32(e); string tname = e.ToString(); }}

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, ...

Nuts N Bolts of ASP.net

19 Jan 2011 by Sanjay4India

Append New line in multiline TextBox

An example of Prototype pattern

7 Feb 2011 by Pavel Yermalovich

An example of Prototype pattern

Multicast delegates in winform control update

21 Mar 2011 by Nitin Singh India

People wonder how do delegates work and the threading issues associated with multicast ones.

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...

Extension Methods in C#

18 Apr 2011 by Kim Togo

Here is a methods that I use to round DateTime class to the next minute interval./// /// Rounds a date value to a given minute interval/// /// Original time value/// Number of minutes to round up or down...

Try - finally alternative

5 Jun 2011 by supercat9

There are times when "try"-related wrappers can be useful. For example, a Try() wrapper DLL written in a language other than C# could pass an Exception parameter to the Finally clause indicating whether the Try clause succeeded. For example:Try (() => {DoSomething();}, (Exception inner_ex)...

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...

Export to Excel from DataGrid (Using an Microsoft Access database)

15 Sep 2011 by lperumb

How to export to Excel from DataGrid using an Microsoft Access database.

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

2 Oct 2011 by kris444

We can better have an extension like: public static class ControlExtension { public static IList FindControlByName(this Control control) where T : Control { List controlsFound = new List(); controlsFound.AddRange(control.Controls.OfType()); ...

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"

Non-resizable columns in GridViewHeaderRowPresenter

13 Sep 2012 by azweepay

Create a GridViewColumnCollection with resizable and non-resizable columns

Finding the solution to the game of Solitaire

27 Sep 2012 by Morten Skaarup

Using recursive programming to solve the puzzle

Using HttpLib to consume web services

2 May 2013 by Redslide

HttpLib makes it easier to asynchronously consume data from web services in C#. The library contains methods to upload to and download from web services.

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.

Combine physical keyboard with on-screen keyboard

12 Jun 2013 by kabdolla

Create your own keyboards, keypads/ virtual buttons on top of other windows; filter unwanted input.

Adding custom paths with variable depths to pages for SEO purposes in C# MVC4

9 Aug 2013 by Redslide

Modify MVC Routing to allow routes such as /Electronics/Software/Operating-Systems/PC/Windows-8-Installer

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

Converting a List to a DataTable

18 Jul 2011 by OriginalGriff

I wrote this because I was interested in a Q&A question which asked for exactly that. Since I quite often use DataTables to transfer data, and to display it for debugging I knocked up an extension method to do it.

WPF Custom Attached Property

4 Dec 2013 by Balachandar Jeganathan

Custom attached property in WPF

Thread-Safe ObservableCollection<T>

10 Dec 2016 by Cory Charlton

A thread-safe implementation of the ObservableCollection class

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#

Simple Receipt Like Printing Using the C# Printing API

5 Sep 2012 by Tushar K. Skype(tushar.kshirsagar24)

This is a simple ticket printing system that I have prepared for programmers who want to learn how to do receipt like printing.

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...

How to kill process by process name and user name using C#?

1 Aug 2014 by yosonwan

Sometimes we need to kill a process programly. This article talk about how to get process array to process name and filter it.

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.

Nested gridview Edit

25 Feb 2014 by JatinKhimani

Nested GridView With Editing Facility of both gridview.

PayPal Gateway Integration in ASP.NET

11 Oct 2012 by Mr. Tapan Kumar

In this article I will describe how to integrate paypal in your asp.net web application

web_development

Create HTML Helpers Extension Method to Get Id and Name in jQuery Function

22 Jan 2014 by Sandeep Singh Shekhawat

This tip introduces two extension methods of the HtmlHelper class, one that obtains the Id in a jQuery function and another obtains the Name in a jQuery function.

Running Crystal Reports in MVC 4 using PDF.js and PDF Viewer

8 May 2014 by youngseagul

How to run Crystal reports in MVC 4 using PDF.js and PDF viewer

Using C# to Monitor Bandwidth for Wireless Devices Using NetworkInterface and .NET LINQ

19 Nov 2012 by Tyronne Thomas

Using C# to monitor the bandwidth for wireless devices.

Custom Strongly-typed HtmlHelpers in ASP.NET MVC

22 May 2012 by Daniel Lo Nigro

Custom strongly typed HtmlHelpers in ASP.NET MVC

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...

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).

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.

Creating a Link in the Left Pane of the File Explorer - like OneDrive or DropBox

22 Aug 2016 by Sujith Karivelil

Creating a link in the left pane of the file Explorer - like OneDrive or DropBox

Avoiding InvokeRequired

27 Apr 2012 by Igor Pashchuk, MBA

This is an alternative for "C# Pivot Table"