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Articles and Tutorials

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The articles and tutorials other users have found the most useful.  Broken out by beginner, intermediate and advanced level.
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Most Popular




_ A String manipulation example in VB.NET, EQUIVALENTS: Len, Mid, Replace, InStr, UCase, Split etc _
by Jon Barker
Language: .Net

A string manipulation example in VB.NET. Are ALL covered in the tutorial, using PURE VB.NET STRING MANIPULATION TEQNIQUES Commands and equivilents Len = .Length, Mid = .SubString, Replace = .Replace, InStr = .IndexOf, UCase = .ToUpper, LCase = .ToLower, Split = .Split, Join = .Join, Enjoy! tHe_cLeanER

How to Write Your Own GPS Applications: Part 1
by Jon Person (GeoFrameworks)
Language: .Net

What is it that GPS applications need to be good enough for in-car navigation? Also, how does the process of interpreting GPS data actually work? In this two-part series, I will cover both topics and give you the skills you need to write a commercial-grade GPS application that works with a majority of GPS devices in the industry today.

Applying Object Oriented Programming in VB.NET (Part I)
by Rahul Vyas (coder000)
Language: .Net

Specially written for our beginner friends but experienced friends will also find it interesting. This tutorial is an extension to my last article on Object Oriented Programming. We have already seen the beauty and power of OOP in the last article. In this article, we will see how to implement the features of OOP in VB.NET.

Select ListView Item Programmatically
by Jason Heine
Language: .Net

This simple code will allow you to programmatically select an item in a listview. Hope this helps.

Learn VB .NET fast! -updated again-
by Sahand
Language: .Net

What's new in VB .NET? How can I use Classes in VB .NET? What does a shared method do?What's the usage of inheritance? How can i override a sub? How can i add events to my classes? Find your answers here! Sample files now ready

Signup using Image Verification Tutorial
by rajat talwar
Language: .Net

All Major Websites dealing with secure content, administrative rights and user privacy use image verification. an image is provided with a random string embossed on it and before registering the string has to be entered in the provided textbox. This can be easily seen at Yahoo. COM, gmail, planet source code (yes our very own PSC will ask you for this when you vote for me).

Quick tip on how to handle NULL in
by Ian Ippolito (vWorker)
Language: .Net

If you're an old ADO programmer, you may be frustrated by not knowing exactly how to check for NULL. Here's a 1 second tip on how to do it in ADO.NET.

Tutorial: How Do I Do It In VB.NET??
by Sean Dittmar
Language: .Net

This tutorial teaches syntax migration from VB6 to VB.NET with simple VB7/VB.NET comparison.

Easily add WinXP themes to your applications without manifest! Just 5 lines of code!!!
by Jorge Rodrigues Silva
Language: .Net

This is a very simple way of add WinXP themes to your applications! Tired of carrying arround unwanted manifest files??? well this uses only 5 lines of code ;)

_ Beginners Listview LVW tutorial: Various difernt views, add items WITH ICONS, spreadsheet style! _
by Jon Barker
Language: .Net

BEGINNER TREEVIEW TUTORIAL how to use the treeview and add items with icons to the treeview. + Spreadsheet view etc. First release, update with properties, events etc coming soon. Source code examples included

Using MySQL with Visual Studio
by Particle
Language: .Net

If you're just wondering how to use MySQL with VS.NET or are having problems, give this a try.

How to Write Your Own GPS Applications: Part 2
by Jon Person (GeoFrameworks)
Language: .Net

In part two of the series, the author of "GPS.NET" teaches developers how to write GPS applications suitable for the real world by mastering GPS precision concepts. Source code includes a working NMEA interpreter and sample high-precision application in C# and VB.NET.

How Do I do it in ASP.NET?
by sherif rofael
Language: .Net

This Tutorial Will Show You How TO implement the Following Using ASP. net: (7 in 1) Send E-mail With Attachment. UPLOAD A file to a Remote Server. Create a Graphical Counter. Create a Log File for the users of your page and add their info ( ip address, country, time, data, service provider, browser, OS, ...............) to an html file. Morse Code Encoder Machine ( Text + Sound ) into your Page. Get The Country and service provider of your page visitors. Determine The Locatio ... (see entry for full description)

Minesweeper, Behind the scenes
by arikp
Language: .Net

This article demonstrates directly reading another processes memory in C# using P/Invoke and Win32 Api's. Using the developed class I read Minesweeper memory.

How To: Modal Dialogs in ASP.NET
by Wayland Young
Language: .Net

This tutorial begins with basic HTML showing how to set data on a Modal Dialog and return that data to the original page using Javascript. There are a few tricks which will be illustrated that you'll have to use if you want to get the same functionality with ASP.NET pages. I've seen similar tutorials and samples on the web. Some claim to have modal dialogs but still allow clicking on the main window. Most don't show how to return multiple values from the dialog. Included in the .zip ... (see entry for full description)

Tutorial on How To Disguise URLs of your Website
by dotNETJunkie
Language: .Net

The purpose of this article is to show you how to disguise the url of your webpage. This is great for masking your webpage extension to not give away your server and development platform to potential hackers. You can also mask any parameters passed through the query string.
Please Vote!

undocumented varptr in vb7
by Izek_S
Language: .Net

VB6 has 3 undocumented functions. VarPtr, StrPtr, and ObjPtr.StrPtr returns object of a string, VarPtr returns address of any other variable and ObjPtr returns address of an object. In VB.Net these 3 functions are abosolete but their functionality is still avaliable.

Default Button
by Janus Kamp Hansen
Language: .Net

This is a sample made for Microsoft ASP.Net to show, how easy it is to 'force' a default button for a textbox. So far you have needed to install various DLL's or controls to control what button must be clicked, when a user is submitting some data from an textbox by pressing [ENTER] key.

A Complete Guide To GOF Design Patterns (With Examples Of Observer, Decorator and Strategy Patterns)
by Anoop Madhusudanan
Language: .Net

Design patterns provide you a flexible way to solve common design problems. This article gives you a simple and effective introduction regarding learning and applying design patterns. In this article series, we will design a foot ball engine, analyze the design problems in that, and will apply patters to solve our design problems. In this way, you will learn how to actually use design patterns.

Application Configuration Files
by D. de Haas
Language: .Net

How to use Application Configuration Files.


Newest Tutorials

Visual Studio 2013 - Free
by J.B.
1/23/2015 3:06:28 PM

Language: .Net

Wow Visual Studio is now free ... It can be downloaded from the website of MS:

C# softphone development: How to create an autodialer?
by Leon Koller
1/23/2015 5:25:28 AM

Language: .Net

This programming article demonstrates how to build a VoIP autodialer (or predictive dialer) using C# that can be used to make huge amount of automated phone calls simultaneously via the Internet by using a console softphone application. This application is able to communicate with users, read and parse .csv Excel files, manage simultaneous calls, provide TextToSpeech functionality, etc.

How to Convert a Web Page Contents to PDF inside .NET Applications
by aspose_seo
1/1/2015 2:44:55 AM

Language: .Net

This technical tip shows how to convert Web page to PDF inside .NET applications. The HtmlLoadOptions option offers the feature to load HTML contents and parse the HTML tags accordingly so that they are rendered respectively inside the resultant PDF. In order to convert Web page contents to PDF format, we can first fetch the HTML page contents using WebRequest instance, create StreamReader object and read page contents. Finally pass the contents to Document object and render the output in PDF fo ... (see entry for full description)

How to Access, Add, Update or Delete Gmail Contacts using .NET
by aspose_seo
12/17/2014 4:34:56 AM

Language: .Net

This technical tip shows how to .NET developers can access, add, update or Delete Gmail contacts inside .NET application. Aspose.Email supports working with Gmail contacts. Using the IGmailClient interface, users can retrieve contacts from a Gmail account, create new contacts, and update as well as delete existing contacts. Gmail allows developers to perform all these using its public developer's API. The following user information is required for working with Gmail contacts: User name, email ad ... (see entry for full description)

How to Add Layout Slides in PowerPoint Presentation inside .NET Apps
by aspose_seo
12/3/2014 8:54:04 AM

Language: .Net

In This technical tip, we will learn how .NET developers can add Layout slides in presentation using Aspose.Slides inside their .NET applications. There are cases when there is missing Layout slide in presentation and once can now add the Layout Slides in presentation. Each slide has unique Id and Layout slides are maintained inside presentation Masters. One can access the Layout slide either by Type or by Name. Aspose.Slides for .NET allows developers to add new Layout slides in presentation.

PDF Water Marker
by Amit Gaur
11/19/2014 1:13:27 PM

Language: .Net

If you have a PDF with one page or more than one page and want to insert an image as a water mark in that PDF file then you can use this my software. Your are free to use this product. I am not able to upload this application because it is an exe file. so you can get from here:

Before run this application you need to install .Net Framework 4.5

How to Integrate Table with Database (DOM) & Populate Data in PDF using .NET
by aspose_seo
11/19/2014 9:40:44 AM

Language: .Net

This technical tip shows how .NET developers can integrate table with database (DOM) and populate data from a database using Aspose.Pdf for .NET. Databases are specially built to store and manage data in a better manner. It's a very common practice for programmers to populate different kinds of objects with data from databases. If you want to populate Table object with data from any data source using Aspose.Pdf for .NET then it is possible too. And it's not only possible but it’s very easy too ... (see entry for full description)

How to create USB webcam / IP camera recorder to capture and save video (C# WPF)
by Timothy Walker
11/17/2014 2:05:43 AM

Language: .Net

How to capture and save image from USB or IP camera in C#? Nowadays, this is a commonly arising question. If you are looking for an answer for this issue, you can find several sources on the Internet, but most of them are many pages long and a bit confusing. Now I’m going to present an easy-to-implement solution from beginning to end in 3 simple steps – focusing solely on the necessary code.

Update PDF Links: Set Link to a Page, Web Address or PDF File using .NET
by aspose_seo
11/7/2014 5:56:06 AM

Language: .Net

This technical tip shows how .NET developers can update the existing link to go to a page in the loaded PDF file using Aspose.Pdf for .NET. The LinkAnnotation class makes it possible to add links inside a PDF file. There's also a similar class used to get existing links from inside PDF files. In case you need to update the existing link to go to a page in the loaded PDF file, specify the link destination the GoToAction object's Destination property. The destination page is specified using the XY ... (see entry for full description)

How to Read MS Outlook Message (MSG) File & Display its Contents on Screen using .NET
by aspose_seo
10/22/2014 3:52:29 AM

Language: .Net

Aspose .NET Gmail Sync for DNN is an open source module from Aspose that links your DNN users to Google or Gmail contacts without requiring any other software. It uses the powerful features of Aspose.Email for .NET to allow you to easily sync your Gmail contacts and DNN users. The contact details from Gmail and DNN user profiles are smartly mapped so that all the information associated with a DNN user or Gmail contact is migrated properly from one system to the other.