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C# 4.0

C#4.0

Great Reads

TCP Socket Off-the-shelf

by Igor Ladnik

Wrapper to facilitate usage of TCP sockets

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

by Sacha Barber

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

Routing Manager for WCF4

by Roman Kiss

This article describes a design, implementation and usage of the Custom Routing Manager for managing messages via Routing Service built-in .Net 4 Technology.

Celerity: How it was all done

by Adam David Hill

All the juicy tricks and scandalous shortcuts which helped us ship our competition game on time

Latest Articles

Editor3D: A Windows.Forms Render Control with interactive 3D Editor in C#

by Elmue

An easy to use 3D control which can be integrated into an application in a few minutes

WCF Client For Web Services that Require Authorization by HTTP Header

by NikStar

Using OutgoingMessageProperties and OperationContextScope to implement authorization by http header for WCF client that communicates with non WCF-based web services.

XPence: A WPF Metro Style, Smart Client Expense Tracker

by Siddhartha S.

WPF smart client demo of nitty gritty of MVVM for a real life LOB application

What is the Difference between Reflection and Dynamic Keyword in C#?

by Shivprasad koirala

Understanding two terminologies - reflection and dynamic keyword

All Articles

C# 4.0

21 Jan 2013 by Srinivasu Pemma

This tip provides an easy way of dealing with different types of data sources for LINQ Group By taken from my blog http://www.srinetinfo.com/2012/12/linq-group-by.html

Adding INotifyPropertyChanged to Entity Framework Classes

14 Dec 2014 by MarkLTX

Automatically implement INotifyPropertyChanged for every property in Entity Framework 6.0 entity classes

Covariance in C#

4 Aug 2013 by Faisal(mfrony)

Understand the use of covariance in .NET 4.0

jQuery Autocomplete in MVC 3: Different Approaches and Customizations

27 Nov 2013 by user6790

Autocomplete feature of jQuery in a MVC 3 application.

Passing Object Collections to ASP.NET Web API

16 Jan 2014 by Tom Glick Philadelphia, US

POC to demonstrate passing of collections of complex objects to ASP.NET Web API Controllers.

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...

Custom serialization for ExpandoObjects in ASP.NET WebAPI

5 Dec 2012 by tumbledDown2earth

Using dynamic or ExpandoObject is a breeze to dynamic data WebAPIs, but when serializing to XML, it can cause a brain damage sometimes :)

15 Nov 2014 by Member 3531622

Create a Rules Engine in less than 50 lines of code which is extremely powerful, extensible and adaptable

Polynomial class with FindRoots method

15 Jan 2015 by Super Lloyd

All the tools to calculate Distance to Bezier curve, find the root of Polynomial, do Complex math

L33t Tr4nsl4t0r (Leet Translator)

13 Jun 2011 by Luc Pattyn

This is an alternative to "L33t Tr4nsl4t0r (Leet Translator)".

MyMDb your local IMDB store

22 Jul 2013 by Paw Jershauge

Want your own movie database??? Download IMDB in 20 minutes.

SQL-Server-2008

ServicePredicateBuilder for creating Serializable Expressions

30 Nov 2015 by Mohammad Dayyan, VahidJafari

A library for creating .Net Serializable Expressions to send via WCF services

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", ...

A Generic enum Parser in C#

30 May 2011 by Ian Good

A possibly simpler version of this is to create an extension method for strings:public static class MyExtensions{ public static TEnum ParseEnum(this string value, bool ignoreCase = false) where TEnum : struct { TEnum tenumResult; ...

Add namespaces for Razor pages

18 Sep 2011 by Monjurul Habib

How to add namespaces for Razor pages

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...

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...

A Postback Modal jQuery Popup Message

16 Mar 2012 by UberGeoff

This tip explains how to display a jQuery modal pop-up message using server side events.

LinesGrid control - An easy way to draw a grid in WPF

13 Nov 2012 by maximaximum

The article describes how to draw a grid of vertical and horizontal lines in WPF.

Popup Log Viewer

1 Jul 2019 by Lance Roberts

A tray utility for monitoring log files and popping up error messages

Dynamic paging in Entity Framework

14 Apr 2014 by Maninder Singh Puhi

Appropriate query to fetch required no of results from DB instead of getting all at on time for binding controls like Gridview, listview etc

entity-framework

Finding Non-disposed Contexts in Entity Framework 6.x Applications

28 Sep 2014 by Vahid_N

It's easy to forget not disposing object contexts, which leads to memory leaks and also leaves too many related connection objects not disposed as well.

Syrilium.Caching

19 Mar 2015 by Hrvoje Batrnek

Easy and seamless caching implementation of any virtual method in any class

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

Integration of MVC to WCF Service

28 Dec 2015 by Dhruti90

MVC functionalities with web service with simple integration

Generic List Conversion

6 Sep 2010 by DaveyM69

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

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...

L33t Tr4nsl4t0r (Leet Translator)

7 Jun 2011 by Kim Togo

Code to change text to Leet

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...

When to use PLINQ vs LINQ

27 Apr 2012 by Tony Dubey

This code demonstrate pros and cons of PLINQ as compared to LINQ

A Simple Library to Generate PowerPoint Presentations

5 Jun 2014 by Erik Vullings

Generate a PowerPoint presentation, consisting of slides with a title and an image, without requiring Microsoft Office

Entity Framework DiagnosticsContext: Get Detailed Information on ChangeTracker Entries

13 Nov 2015 by OrlandoCurioso

An EF base DbContext that provides detailed information on current and totalized changes

entity-framework

Use of IReadOnlyDictionary and IReadOnlyList Properties in .NET Objects

28 May 2016 by Michael B. Erickson

Control the changes to structured data exposes by your .NET objects

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.

MS SQL Scripts Runner

4 Apr 2012 by sluaghtered

Script Runner that can run multiple SQL script files on MS-SQL.

SQL-Server-2008

Quartz.Net - Custom Base Job

7 Jun 2012 by AndrewSmith

Creating a custom base job class for quartz scheduler development

Server-side Input Validation using Data Annotations

11 Oct 2012 by Peter Carrasco

A quick introduction to data annotations in C#

Boost Up Your Serialization/Deserialization Similar to JSON

23 Dec 2012 by Oleksandr Kulchytskyi

This tip explains how to increase performance in serialization by using MessagePack

Usage of singleton wrapper for better coding

24 Jan 2013 by Oleksandr Kulchytskyi

More advanced singleton implementation.

SelfHosting Log4net SignalR Server

26 May 2013 by Jan_Zimmermann

A log4Net appender with a selfHosting SignalR server.

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

A Snippet that Transforms Spanish Text into Simple American English Phonetics

5 Jun 2014 by B. Clay Shannon

A C# snippet that converts Spanish text into a phonetic representation of how to pronounce it (in Mexican Spanish, not Spaniard Spanish) for speakers of American English

SignalR 2 in Silverlight 5

17 Jun 2014 by Mahdi Ataollahi

Implementing Microsoft.AspNet.SignalR 2 and Microsoft.AspNet.SignalR.Client 2 in Silverlight

OctTree Implementation for overlap detection in C#

28 Jul 2014 by sajjad kardani moghadam

Octa Tree is a 3D space partitioning algorithm

PayPal REST API Recurring Payment via Stored Credit Card

13 Mar 2015 by Aman Thakur

The tip explains how to make recurring payments using the Stored Credit Cards in the Paypal Vault.

Making a HTML Table from XML in a C# Console App

23 Jun 2015 by MarcusCole6833

A simple program to make an HTML page from an XML file

Using Attributes, Reflection and Generics To Increase The Usability Of Enums

22 Aug 2010 by Dieter Deysel

Combining custom attributes, reflection and generics to maximize the use of enum in a system.

dynamic keyword - Represents an object whose operations will be resolved at runtime

15 May 2011 by ambarishtv

dynamic keyword - Represents an object whose operations will be resolved at runtime

A Generic enum Parser in C#

22 May 2011 by Mohammad A Rahman

Reverse of a string without using the Reverse function in C# and VB

23 Jul 2011 by #realJSOP

I wouldn't create a class for this. I'd make it an extension method, and then do this:public static class String Extensions{ public static string Reverse(this string value) { value = // do your reverse code here; return value; }}// Usage:string x...

An alternate implementation to Paste data into the WPF DataGrid

28 Aug 2011 by Reto Ravasio

Howto Paste and not make a mess

Change Screen Resolution Desktop Gadget

13 Jan 2012 by C Yang

Program to Switch Screen Setting In One Click

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

Extended search method

7 Jun 2012 by AmitGajjar

An efficient extended search API to search from a text file.

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

Functions to Post Data to a URLs for Posting Instructions

25 Sep 2012 by Pablo Oropin

This article aims to explains how to implement functions to deliver data via HTTP POST or HTTP GET in ASP.NET to an specified link.

NYC Exchange Holidays

6 Dec 2012 by xibao

Code to produce holidays for NYC Stock Exchange.

How to Bind Derived Type in MVC View

9 May 2013 by Abhay@Accenture

How to bind Derived Type in MVC View

web_development

Remote Posting To PayPal

16 May 2013 by ortund

Allow purchases via PayPal on your website

web_development

Defer Any Algorithm

23 Jun 2013 by Aaron Amberman

Defer algorithms to run once within a given time span

Test Data in Attribute

28 Jul 2013 by Raja.Krishnasamy

Attached the test data with method for regression testing by declaring ref type in attribute

SharePoint 2013 Razor View WebPart

6 Mar 2014 by Adel Refaat

A SharePoint WebPart that hosts Razor files (.cshtml, .vbhtml)

Call Cross Domain WebService(asmx) from Jquery with Jqgrid

14 Apr 2014 by Arjun Singh Faguda

How to call cross domain Webserver(asmx) service from jquery and bind the Json result with Jqgrid

Multicast Message Broker

4 Aug 2014 by Matus Kovacik

Single class encapsulating UDP IP multicasting functionality and exposing it via observer pattern.

Create Collection from a DataSet

7 Aug 2014 by Gold$Coin

This tip will help you to create a collection from a DataSet

Writing automation test with Selenium WebDriver Extension jQuery - RaYell Effectively

9 Mar 2015 by Chinh Vo Wili

This tip describes how to use Selenium WebDriver extension for jQuery of RaYell and customize waiting element loading

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

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();}

Read clob from Oracle

5 Jan 2011 by Anupama Roy

Read clob from Oracle

Unit Testing - No Time for Sleeping

22 Jun 2011 by Andrew Rissing

A simple trick to remove the delay of Thread.Sleep for unit testing.

MultiKeyDictionary generic class.

4 Jul 2011 by DrABELL

AsFYI: In addition to my previous comments, here is the link to an excellent article published by Aron Weiler on CodeProject addressing the same issue of Multi-Key Dictionary Object: C# Multi-key Generic Dictionary[^]

Creating Func delegates using TextToCalcExpression

16 Mar 2012 by Carlos Conceição

This article how you can use TextToCalcExpression to generate Linq Expressions in runtime

YaldaValidation For FileUpload Control

11 Jun 2012 by taha bahraminezhad Jooneghani

A custom validation control for FileUpload controls that validate like required validator, and have two more methods for extensions and file size!

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"

WPF WebBrowser Control and Javascript

15 Jun 2012 by #realJSOP

One way to get around the "invalid character" error

Badge Notifications in Windows 8

28 Jun 2012 by ROHIT SHAW

It shows how to display a badge notification in Windows 8 metro app

Simplifying MVVM Properties

30 Sep 2013 by N_tro_P

Simplify your MVVM Properties

Ad-Hoc Expression Evaluation

25 Jul 2012 by #realJSOP

Evaluating epressions in an ad-hoc condition.

Multiple Values Slider

13 Apr 2013 by InbarBarkai

Create and use a multiple value slider

Grouping and row detail grid

23 Jan 2013 by Rajamohan Dhanushkodi

Custom DataGrid than can group data, display row details, and filter data.

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

Enterprise Library 6 with SQLite Logging and Exception Handling, REAL!

25 Sep 2013 by ModMa

Real and fully functional connection Database Provider and DatabaseTraceListener for SQLite!

Header Style Combo Box Drop Down Filter Button

16 Jan 2014 by Codes Of Shadows

Header Style Combo Box Drop Down Filter Button

Access userProxy, userProxyFull From AD Light Weight Directory Services

4 Mar 2014 by pckola

Accessing userProxy, userProxyFull From AD Light Weight Directory Services

active-directory

Simple Bitmap Buttons for WinForm Applications

6 May 2014 by Daniel Lieberwirth (BrainInBlack)

This describes a simple way to create interactive, bitmap based, buttons for WinForm applications.

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.

One More C# Enum Enhancement

21 Jun 2014 by Andrei Keino

The tip describes a way to create C# enhanced enumerations that can contain class objects.

ref and out Parameters in C#

3 Jul 2014 by yousafzai amazai

ref and out parameters in C#

SOAP message in WCF services.

26 Oct 2014 by Bimaln

Describe about the SOAP message in WCF with example.

SQL-Server-2008R2

Inheritance inversion

4 Jan 2015 by Thorvaldur Arnarson

Abstract class inheritance inversion where in the base class calls the inheriting class.

Calling Server-Side Code from Client-side Using JavaScript and TextBox's onblur Event

6 Mar 2015 by Ankur .K. Vishwakarma

Calling server-side code from client-side using JavaScript and TextBox's onblur event

How to Request Presentation Objects with PresentationRequestor

12 May 2015 by HUONG Minh-Luong

This tip is a tutorial that explains how to use PresentationRequestor Nuget package.

SortedSet(T), just another collection in .NET 4.0?

21 Jun 2010 by User 6619207

Read clob from oracle

6 Jan 2011 by Alex Furmanski

You should watch out for cases where the return value could be null otherwise you'll get an exception, and your call to ToString is redundant.OracleClob clob = Params[3].Value as OracleClob;if (clob.IsNull) errorCode = null;else errorCode = clob.Value;