Gridview1rowupdating in asp net vb
The browser then displays a modal dialog box that prompts the user for their username and password (see Figure 1).
This information is then sent back to the web server via an HTTP header.
Such web applications can make decisions based on the logged in user: some pages or actions might be restricted to only logged in users, or to a certain subset of users; other pages might show information specific to the logged in user, or might show more or less information, depending on what user is viewing the page.
This is the first tutorial in a series of tutorials that will explore techniques for authenticating visitors through a web form, authorizing access to particular pages and functionality, and managing user accounts in an ASP. Over the course of these tutorials we will examine how to: These tutorials are geared to be concise and provide step-by-step instructions with plenty of screen shots to walk you through the process visually.
(This first tutorial focuses on security concepts from a high-level viewpoint and therefore does not contain any associated code.) In this tutorial we will discuss important security concepts and what facilities are available in ASP.
While Windows authentication is great for intranet applications, it is usually unfeasible for Internet applications since you do not want to create Windows accounts for each and every user who signs up at your site.
Forms authentication, on the other hand, is ideal for Internet web applications.
This is the first tutorial in a series of tutorials that will explore techniques for authenticating visitors through a web form, authorizing access to particular pages and functionality, and managing user accounts in an ASP. At a minimum, new visitors need to be able to create an account and returning visitors must be able to log in.
Sites that offer user accounts must provide a number of services.