Demonstrates how to use custom validation on a form by checking to see if a string in a TextBox is not the same with a string from an array (or database), case in which it displays 'This name is already taken'.
Custom Handlers ASP.NET / General Development
After completing this tutorial, you will be able to:
* Recognize the role of custom handlers in ASP.NET
* Write custom binary handlers
* Write just-in-time compiled custom handlers
* Let IIS and ASP.NET know about your custom handler
This tutorial covers writing custom HTTP handlers.
Custom Rendered Controls ASP.NET / Controls
This tutorial focuses custom rendered controls. We'll see how the control works once it's part of a Web page. Along the way we'll cover topics such as how controls manage events and how they detect the differences in client browsers.
Creating Dropdown list control from Datasource ASP.NET / Controls
We will create a custom dropdown conrol using a datasource. This code provides us to fill a dropdrown list using a datasource. This code also displays us ASP.NET is easier than classical ASP to generate custom controls.
Date Validation in ASP.NET ASP.NET / General Development
In this tutorial, we will try to validate some data coming from a form input. While using this sampel code will check the date is true and in correct format. We will compare the date within a culture date format.
Group validation in ASP.NET 2.0 ASP.NET / Web Forms
This tutorial will teach you how to use the ValidationGroup property introduced in ASP.NET 2.0, which allows you to link validators to buttons, so that certain buttons in a form can only trigger certain validators.
Custom Paging results in ASP.NET using A Better Way ASP.NET / Site Navigation
This source code is very useful for all web developers who wants to divide their database results into pages. You can easily modify source code to use in your applications. Script can display numbers of total pages and a Next/Previous link. Script uses two database connection and uses less server memory.
Composite Control ASP.NET / Controls
After completing this tutorial, you will be able to: *Create a composite custom control *Create a composite User control *Recognize when each kind of control is appropriate This tutorial covers the other kind of control - composite controls. Each type of composite control has advantages and disadvantages, which we'll discuss. First, let's explore the primary differences between rendered controls and composite-style controls.
Configurations ASP.NET / Configuration
This tutorial introduces the method in which ASP.NET manages configuration information. It gives a taste of how ASP.NET configuration works. We'll see details about ASP.NET configuration in later tutorials. ASP.NET is a feature-rich system for developing and deploying Web sites. The features we'll see in more detail as we examine ASP.NET further include some the following:
*session state
*caching content to help optimize your Web site's responses
*tracing requests
*mapping specific file extensions to custom handlers
*authenticating users.