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Web Pages developed in ASP.Net are HTTP based and HTTP protocol is a stateless protocol. It means that web server does not have any idea about the requests from where they coming i.e from same client or new clients. On each request web pages are created and destroyed. This tutorial explains how to remember site visitor's informations between requests.

Part 3 of a Multipart Series - In this tutorial we will learn how to create line, bar, and area PNG charts on the fly and incorporate them in our website statistics application. Specifically, we will create area charts of daily visits and page views for the last 12 months, and display them in the reports section of our application. Again, all code has been explained in detail, and is available for download.

In this article we will explore three different and important e-mailing techniques; to send a simple text e-mail, to send HTML content via e-mail, and to send attachments in ASP.NET Web Application.

Assemblies are the building blocks of .NET Framework applications; they form the fundamental unit of deployment, version control, reuse, activation scoping, and security permissions. An assembly is a collection of types and resources that are built to work together and form a logical unit of functionality. An assembly provides the common language runtime with the information it needs to be aware of type implementations. To the runtime, a type does not exist outside the context of an assembly.

A complete ASP.NET 2.0 Notepad Web application example (with source code). Explains Forms, sign in process, some complex SQL queries and new HiddenField ASP.NET 2.0 server control.

Quickly get to grips with DotNetNuke with these 3 videos. Provides essential tips for beginners to DotNetNuke from securing DNN to adding modules to the page (ie. Text/HTML, links, image modules). Working with skins, changing the logo. (40min)

VB.NET 2005 Free Training : Visual Studio.NET Namespaces - The .NET Framework class library has thousands of classes which are needed for developing and deploying solutions. In order to organize all those classes for ease of use .NET Framework uses namespaces. This Gives the Classes their own space and prevents conflicts between the various names in these classes. For instance if two classes contain a method Paint(), then to avoid conflicts in names we can place these classes in two different namespaces. Thus namespaces allow classes to be grouped in a consistent, hierarchical manner.

This article provides some helpful tips in working with ASP.NET on Microsoft's Internet Information Services (IIS) web server, providing walkthrough descriptions and resolutions for common problems that the author has experienced.

Recently, I had a requirement to put together a website that deals with taking somewhat elaborate financial surveys. While the questions and answers themselves are good candidates for being database driven, there were a large number of nuiances ranging from UI items, business rules, and calculations that just didn't fit into a database driven strategy. With this in mind, my initial strategy was to create version specific classes and reference them in version specific ASP.NET pages. Of course, this accomplished the initial requirement. However, whenever a new version needs to be implemented, I had to copy all of the ASP.NET pages and modify the references to the appropriate version specific class name. Refactoring provides a better alternative and here's how:

Comprehensive tutorial on uploading image files, determing size ( in bytes ), type ( bmp, jpg, gif ), width and height ( in pixels ) of these images, imposing restrictions to allow images of only certain size, width and height to get uploaded and to resize ( create thumbnails of ) these images.

Learn how to build web apps using ASP.Net model view controller pattern. Step by step guide to teach you basics of ASP.Net MVC.

Explains how to get web site thumbnail image using ASP.NET. One very common requirement of many web applications is to display a thumbnail image of a web site. A typical example is to provide a link to a dynamic website displaying its current thumbnail image, or displaying images of websites with their links as a result of search, like in Google search.

This article includes quick summary of ASP.NET and complete coverage of ASP topics like web application life cycle, application and session state variable, server control events, navigation method, code security, debugging and tracing, tracing, Master page, state management, Validation control etc.

JIT (just-in-time) is a CLR�s (Common Language Runtime) compiler. The JIT Compiler function is responsible for compiling a method�s IL code into native CPU instructions. Because the IL(intermediate language) is being compiled "just in time," this component of the CLR is frequently referred to as a JITter or a JIT compiler.

Explains how to automatically build help in ASP.NET. It is possible if you use XML comments in C# or VB.NET source code. Simply write all the documentation you need tightly tied to and inside your source code! Then use some documentation processing tools to collect all these comments and to construct a stand alone document containing every little aspect about your source code. As simple as that!

In this tutorial you will learn about ASP.NET 2.0 Security, The Security Architecture of ASP.NET 2.0, The security infrastructure and subsystem relationships of the ASP.NET and the sequence of events that occur when a authentication is sought.

ASP.NET 2.0 Tutorials : Introducing Visual Studio.NET Web Applications - In this tutorial - Introducing Visual Studio.NET Web Applications, You will learn How Web Applications Work, Choose a Language for creation.

This article describes the steps required to successfully get the Jalindi Igloo plugin to work with Visual Studio.Net 2003 and the latest CVS NT installation. Benefits include built-in SSH and improved security over using the stock Igloo installation.

VB.NET 2005 Free Training : The .NET Framework Architecture Part 2. In this tutorial of The .NET Framework Architecture Part 2 we will learn about Just-In-Time (JIT) compilation, Assemblies, native assemblies, Global Assembly Cache (GAC) and Comparison of VB.NET, C#, and J#.

This article walks you through the process of building a thin-client ASP.NET bug tracking application, with a Microsoft Access XP backend. It uses nearly every documented capability of the .NET datagrid web server control to allow you to select, edit, update, or delete any item listed in the datagrid. The Issue Tracker uses advanced features, such as reading values from lookup tables, and then conveniently providing these values to the user in Edit mode as dropdownlists. It also employs the IE Web Controls, including the Tab and MultiPane web controls, which allow you to display considerable user functionality on only one web page, yet without cluttering the user interface with confusing complexity. After working through this tutorial, you will have explored and applied all of the main functionalities of the ASP.NET DataGrid control. Happy Coding!