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Articles and Tutorials

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_ 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.

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).

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

Quick tip on how to handle NULL in ADO.net
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

How to Create Normal & Scatter Charts in PowerPoint Slides Using C# & VB.NET
by aspose_seo
4/23/2014 12:56:08 AM

Language: .Net

This Tutorial shows how .NET developers can create normal and scatter charts inside their .NET Applications. Aspose.Slides for .NET lets developers add custom charts into slides from scratch. This topic, explains how to create normal and scatter charts with multiple series from scratch using Aspose.Slides for .NET. Aspose.Slides for .NET works independently of Aspose.Cells for .NET for chart creation. Aspose.Slides for .NET has provided the simplest API for creating charts in an easy way. For C# ... (see entry for full description)

How to Send Email Messages using Exchange Server & Exchange Web Services Using C# & VB.NET
by aspose_seo
4/20/2014 1:20:45 PM

Language: .Net

This technical tip explains how to send email messages using Exchange Server & Exchange Web Services inside .NET Applications using Aspose.Email for .NET. You can send email messages using Exchange Server with the help of the tools in the Aspose.Email.Exchange. The ExchangeClient.Send() method accepts a MailMessage instance as a parameter and sends the email. To achieve this task first create an instance of the ExchangeClient class and specify server name, username, password and domain. After th ... (see entry for full description)

Export AutoCAD DXF Drawing to PDF & Set Image Size in .NET Applications
by aspose_seo
4/2/2014 6:55:32 AM

Language: .Net

This tutorial explains how .NET developers can export DXF Drawings to PDF using Aspose.Imaging for .NET. Aspose.Imaging includes a feature for reading AutoCAD DXF drawing entities and rendering them as an entire drawing into PDF format. It is possible to customize the conversion process to achieve specific results. We have introduced a new Cad class in the Aspose.Imaging.FileFormats namespace. The Cad class is a family of AutoCAD drawings and since they all share similar schemes, it was decided ... (see entry for full description)

How to improve your .NET VoIP softphone by creating call recording feature in C#
by Simon Robert
3/25/2014 4:50:35 AM

Language: .Net

I would like to help .NET developers in extending a popular VoIP application. Softphones are probably the most commonly used telecommunication applications and I would like to explain how to improve these software-based telephones with a useful feature. After studying this guide you will be able to record and store your phone conversations in a .wav file.

Connect to MS Exchange Server & List Messages from Inbox Folder using IMAP Protocol
by aspose_seo
3/19/2014 3:42:27 AM

Language: .Net

This technical tip explains how developers can connect and list messages from Inbox folder of Microsoft Exchange Server using IMAP protocol. Microsoft Exchange Server supports the IMAP protocol for accessing items in a mailbox. Use Aspose.Email's ImapClient class to connect to the Exchange Server using IMAP protocol. This article shows how. To connect to an Exchange Server using IMAP, please first, make sure that IMAP services are enabled for your Exchange Server, Open the Control Panel, Go to A ... (see entry for full description)

Add, Delete, Update or Move Appointments in Google Calendars using .NET
by aspose_seo
3/5/2014 4:44:13 AM

Language: .Net

This technical tip explains how developers can use Gmail Calendars to add, retrieve delete, move or update Appointments in their own applications using Aspose.Email. Aspose.Email provides features for working with Appointments in Google calendars. Some important tasks such as adding Appointments, Retrieving list of appointments, retrieving particular appointment, updating an appointment, moving appointment from one calendar to another and deleting appointment can be performed using Google calen ... (see entry for full description)

Convert MS Visio Diagram to XML (VDX, VTX, VSX) Formats in .NET Apps
by aspose_seo
1/28/2014 10:17:57 PM

Language: .Net

This technical tip shows how .NET developers can export Microsoft Visio diagram to XML inside their own applications using Aspose.Diagram for .NET. Aspose.Diagram for .NET lets you export diagrams to a variety of formats: image formats, HTML, SVG, SWF and XML formats: - VDX defines an XML diagram. - VTX defines an XML template. - VSX defines an XML stencil. The Diagram class' constructors read a diagram and the Save method is used to save, or export, a diagram in a different file format. The cod ... (see entry for full description)

PDF to HTML, Image, PostScript & HTML to PDF Conversions in .NET Apps
by aspose_seo
1/16/2014 11:06:48 AM

Language: .Net

This technical tip shows how .NET Developers can split CSS into multiple pages when converting PDF to HTML. When converting PDF files to HTML format, a CSS file containing formatting information is created. Aspose.Pdf for .NET also offers the feature to split the resultant HTML to pages; so you can also split the CSS into multiple pages. HtmlSaveOptions class has property named SplitIntoPages which supports the feature split resultant HTML file to pages when generating the output. Recently one o ... (see entry for full description)

How to Read Email Messages from Microsoft SharePoint Document Library
by aspose_seo
12/17/2013 10:32:44 AM

Language: .Net

This technical tip explains how to read email messages from a Microsoft SharePoint document library. To access files in a SharePoint document library, the SharePoint SDK must be installed on the system. The SDK provides the API necessary to log in and access files from the document library. The programming samples below assume that a Microsoft Outlook Message file (.msg) is already stored in the SharedDocument folder of the SharePoint Document Library. The SharePoint SDK is used to get the messa ... (see entry for full description)

C# & VB.NET Code Samples for Exporting MS Visio VSD Diagram to PDF
by aspose_seo
12/4/2013 12:14:35 AM

Language: .Net

This technical tip shows how .NET developers can export Microsoft Visio diagram to PDF inside their own applications using Aspose.Diagram for .NET. Aspose.Diagram for .NET allows reading and creating diagrams as well as lets developers export diagrams to a variety of formats: XML formats, image formats, HTML, SVG, SWF and PDF. This tip explains how to export a Microsoft Visio diagram to PDF using Aspose.Diagram for .NET. Use the Diagram class' constructor to read the diagram files and the Save m ... (see entry for full description)