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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

.Net Performance tip - 2

22 May 2010 by Vinayaka Krishna Shenoy

.Net Performance tip - 2

.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[^]

1 to 1 Object Mapping with IDictionary

15 Nov 2010 by qlipoth

All too often, I have to match disparate objects 1 to 1

3 Layer Architecture for Beginners in ASP.NET C#

19 Jan 2015 by JatinKhimani

Develop a web application in 3 layer architecture code style

3D Puzzle with OpenGl and C#

20 Jan 2015 by charles922

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

?? Operator

12 Mar 2012 by Muthu Nadar

This article will explain about null coalescing operator along with its advantage and disadvantage.

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++

A Custom ServiceHostFactory

8 Sep 2008 by cesar_boucas

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

A custom switch case in C#

18 Apr 2011 by Niladri_Biswas

This short article will demonstrate an idea of making a custom switch case in C#

A Dive into ASP.NET Page Life Cycle

26 Nov 2014 by Sambhav Yadav - Sam D Silva

ASP.NET page/master page/user control's life cycle from the perspective of Session and View State

A Lightweight File Backup Manager

24 Jan 2015 by shijo joseph

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

A managed FreeFrame host

6 Feb 2013 by Jarno Burger

A managed wrapper around FreeFrame, to give your video frames some cool effects

A Plug and Play Logging Library for Dummies

20 Dec 2015 by shijo joseph

An easy to implement yet powerful logging library which requires absolute zero learning curve

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

A Simple C# Console Menu

17 Jan 2015 by LLLLGGGG

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

A Single SignOn Implementation

9 Feb 2016 by Chihwei Chang

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

Adding fonts to Infragistics WebHtmlEditor

23 Mar 2011 by Narsimlu Keshagouni

Adding fonts to Infragistics WebHtmlEditor

Ajax Asynchronous postback

6 Sep 2012 by Christopher John Paul

Ajax Asynchronous Postback Method

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.///...

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.

An example of Prototype pattern

7 Feb 2011 by Pavel Yermalovich

An example of Prototype pattern

Another Generic State Machine

19 May 2013 by Yossi Yaari

A basic yet generic state machine implementation

ARA - Simulation

10 May 2014 by yazanjaradat

Ant-Colony Based Routing Algorithm (ARA) C# Simulation

ASP.NET Validation Made Easy

9 Jan 2014 by nasir_ml

ASP.NET textbox validation made easy.

ASP.NET: __VIEWSTATE Bug!

27 Oct 2010 by kadaoui el mehdi

In this trick I present how to prevent an attack by a hacker on Asp.net website.

Attaching a Console to a WinForms application

7 Feb 2012 by DaveyM69

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

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...

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(); ...

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.

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.

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

Avoiding InvokeRequired

27 Apr 2012 by Igor Pashchuk, MBA

This is an alternative for "C# Pivot Table"

Backup/Restore PostgreSQL databases

5 Mar 2013 by Saddoud Anis

Allow your applications the ability to backup and restore your PostgreSQL databases.

Basic Event Creation in C#

3 Sep 2010 by DaveyM69

A few quick examples of how to correctly create events.

Bind Enum data to Dropdown List By Sorting

29 Dec 2010 by sat_nar

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?

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(); }}

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

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# / 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# Alternative ProgressBar

3 Sep 2013 by blitzkrieged

An alternative ProgressBar for C# with extra functionality

C# Custom Mapper

5 Jun 2014 by Sameera Millavithanachchi

This is a custom mapper which can be used to map two objects instead of automapper

C# Storable Box Control 1.4.0.4

6 Mar 2015 by Darkencrow

A multi-drawer style collapsable UI container

C# Universal String Parsing Utility

3 Aug 2012 by Sympletech

A simple utility to help convert strings into other types

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.

Call Server Side Code using ASP.NET AJAX and jQuery AJAX

20 Feb 2017 by Vishal_Kumar

Call server side code using ASP.NET AJAX and jQuery AJAX

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

CD / DVD Tray Locker

13 Jan 2011 by DaveyM69

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

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, ...

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.

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!

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

23 Mar 2010 by Khaniya

this.BeginInvo...

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...

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();}

Check maxlength of multiline textbox in JavaScript

21 Feb 2012 by Surjit Singh Dadhwal

This post will help you to resolve problem of checking maxlength of Multiline textbox (Internet Explorer, Chrome & Firefox)

Checking Internet Is Connected Or Not From .NET

25 Dec 2011 by Gandhi Ashish

Checking Internet Is Connected Or Not From .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...

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 -...

Class to Transform an OFX (Microsoft Money) File into a DataSet

28 Jul 2010 by rodrigo diniz

A small class that transforms the contens of an OFX file into a DataSet.

Clickable DataGridView

2 May 2010 by Mike_999

Download GridDetailsView.zip - 143.06 KBIntroductionThis is one of the frequently asked question among developer community.How to display a form which shows content of a DagaridView row while clicking on it. Here I am demonstrating DataGridViewLink column type usage for this...

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.

Compare two datatable using LINQ Query

12 Mar 2012 by Ramanujam Shankar

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

Compiler and Anonymous Type

18 Sep 2013 by Suvabrata Roy

How compiler manage anonymous types

Compressing Script Files using GZIP

30 May 2013 by KK Kod

How to compress JavaScript and CSS files in a web application to reduce page loading time, using GZIP.

Connecting to a C# ocket with a timeout, without using asynchronous (ConnectAsync)

19 Nov 2012 by Tyronne Thomas

Connecting to a C# socket with a timeout.

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.

Conversion Between All .NET Languages

10 Jun 2010 by Anshul R

The Perfect Translation/Conversion of Code

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.

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 => { ...

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.

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...

Converting HL7 to XML

27 Jul 2015 by Shru37

Modified code from another article to consider field repetitions while converting HL7 message to XML

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.

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.

Create Linq to SQL connection with select, insert, delete, update

6 Feb 2011 by SuhasHaridas

Create Linq to SQL connection with select, insert, delete, update

SQL-Server-2005

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

Creating Scehduler Service using Windows Services

20 Feb 2010 by Rajkumar Reddy Mar31

Recently, one of my jobs demanded me to create a windows service for scheduling some tasks without human intervention, all we need to mention those services XML file.Configure the scheduled tasks in an XML file (Tasks.xml)On Service Start, load the tasks configuration from the Tasks.xml file...

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

Custom Paging Control

20 Apr 2013 by Aliaa Ezzat

Custom paging control for repeaters

Custom Strongly-typed HtmlHelpers in ASP.NET MVC

22 May 2012 by Daniel Lo Nigro

Custom strongly typed HtmlHelpers in ASP.NET MVC

CustomBackgroundWorker where the initial argument is passed to all events

22 May 2010 by DaveyM69

Enables access to the original argument in all events

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

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

Developing web application for mobile phones using .NET

28 Jan 2011 by Pandey Vinay

This is how you can develop web application for mobile phones using .NET.

Difference Between var and dynamic in C#

17 Jun 2013 by bbirajdar

Difference between var and dynamic in C#

Disk Alert with Email-notification

14 Apr 2013 by Roberto Carlos Beyra

Disk Space Alert for Server Backup with email-notification

Dynamic Sorting in LINQ

8 Oct 2013 by Thomas Corey

Dynamically sort query results using LINQ expressions and reflection.

Dynamic Sorting in LINQ, Part 2

11 Oct 2013 by Thomas Corey

Dynamically sort query results using LINQ expressions and reflection with sorting

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

Dynamically Generating Forms in WPF and Silverlight

28 Mar 2012 by Sujeet Bhujbal

Article on dynamically generating Forms in WPF and Silverlight.

edit, Update, Cancel, Delete rows in Gridview(using MS Access DB)

23 Sep 2011 by lperumb

Grid Functionalities

Encrypt all Stored Procedures with PowerShell

7 Aug 2012 by kennysun

encrypt all stored procedures in SQL server with powershell

SQL-Server-2005

Enumerate entries in TNSNames.ora using Oracle data provider class and DataSourceEnumerator

12 Jul 2011 by Jana Sattainathan

There is an easier way to get the Oracle data source than custom-code a TNSNames.ora parser.

Example of gridview rowcommand on Button Click

29 Mar 2013 by Nandakishore G N

Example For Gridview RowCommand Event

SQL-Server-2005

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

Exploring the Behaviour of Property Grid

7 Nov 2012 by Bhasker Kandpal

Exploring the behaviour and capabilities of a property grid control.

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.