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VB.NET Tutorials
VB.NET: Single Sign-On with DIGEST, BASIC and LDAP
A tutorial is based on HTTPModule for Digest Authentication in VB.Net
The coolest thing about using an HttpModule for either DIGEST or BASIC Authentication against your own Data Store is that as long as the HttpModule is configured at all the destination sites / applications, and as long as each location has access to the same database information ( The "Users" table), you can authenticate once, and travel anywhere you want without having to ever see a logon dialog again! Digest, as most people are aware, is a lot more secure than BASIC because there is no cookie and the password information is never sent "in the clear". ...
Using OpenGL with VB.NET Tutorial
A tutorial that shows how to write applications using OpenGL API with VB.Net programming language
First of all, you will need a copy of the CsGL library, written by the team of developers headed by Lloyd Dupont. CsGL is not another implementation of OpenGL, but a set of wrappers for the OpenGL DLL that glue your C# or VB.NET applications to OpenGL proper. ...
Form Layout in VB.NET Tutorial
A tutorial that shows how to design fairly complicated forms, which can resize, using anchors, docks and panels with a dash of code.
Lets start to design the user interface shown below of a new experimental application -'An expense tracker'. (My 'Guinea pig' to learn dot net technology)...
Overloading Operators in VB.NET Tutorial
A tutorial that shows how to write overloaded operators in VB.Net
A few basic guidelines to be followed for overloading operators to either get past the compiler or avoid confusing people like Don't change an operator's semantic meaning. The result of an operator should be intuitive, Make certain overloaded operators are shared methods, Overload operators in pairs, if a symmetric pair exists. These are the pairs of operators: "=" and "<>"; ">" and "<"; ">=" and "<="; and IsTrue and IsFalse...
Delegates in VB.NET Tutorial
A tutorial that helps to understand the phenomena of Delegates in VB.Net
A delegate can be defined as a type safe function pointer. It encapsulates the memory address of a function in your code. Whenever you create or use an event in code, you are using a delegate. When the event is thrown, the framework examines the delegate behind the event and then calls the function that the delegate points to. As we will see later, delegates can be combined to form groups of functions that can be called together ...
Programming with Partial Classes in VB.NET Tutorial
A tutorial that shows how to use and program Partial Classes in VB.Net
Partial classes, like any new construct, come with rules for using them. The help function serves this purpose. I have included a summarized list of the most notable partial class rules to support Listing 1, which demonstrates two partial classes....
Creating a Windows Service in VB.NET Tutorial
A tutorial that shows how to create window service in VB.Net
The core function of a Windows aervice is to run an application in the background. There are few things that make them different from a Windows application. A Windows service starts much before any user logs in to the system (if it has been setup to start at boot up process). ....
Watching Folder Activity in VB.NET Tutorial
A tutorial that shows how to how to implement the FileSystemWatcher class using Microsoft Visual Basic.Net
This tutorials shows how to write an application that constantly monitors a folder and raises events when there is any activity in that folder. The Microsoft .NET Framework has introduced classes like System.IO and System.Diagnostics, which contain the FileSystemWatcher class. This class can raise events when a file is created, renamed, updated or deleted from the specified folder....
FTP Client with VB.NET Tutorial
A tutorial that shows how to write an FTP client in VB.Net
The File Transfer Protocol (FTP) is a TCP protocol that is described by RFC (Request for Comment) 959. RFCs are basically white papers and every RFC that I have searched for has been posted somewhere on the Internet....
Implementing The Google Web Service In VB.NET Tutorial
A tutorial that shows how to implement Google Web Services in VB.Net
A web service is one of the greatest technologies developed in Internet world, which can be used to connect businesses and clients in a standardized method using XML (Extensible Markup Language), SOAP (Simple Object Access Protocol), WSDL (Web Services Description Language) and UDDI (Universal Description, Discovery and Integration).....
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