ExamGuru IT/.Net Guru : System.Web.UI.WebControls.PlaceHolder Class [Articles]

The validation controls of ASP.NET offer a great deal of flexibility and comfort when you need to write data entry pages in your web application. They provide the ability to ensure valid data in the input fields in a rather declarative than procedural way. So far so good. Imagine a form that handles different payment methods. Depending on the selected method different fields should be mandatory while others remain empty.

ASP.NET Developer's Cookbook Chapter 3: Custom Controls

The Code Project

The most common techniques in building custom controls in ASP.NET.

Audio-Video Module for ASP.net Community Starter K

http://www.paul-abraham.com/

Audio-Video Module for ASP.net Community Starter K

Building a Generic Database Tool Using .NET and Three Tier Architecture

DotNetJunkies

In this article, Sun shows how easy it is to develop a n–tiered Web application to create a generic database tool using ASP.NET and the .NET Framework. The system is quite simple and is able to handle the management of any simple table in any database. It provides an excellent starting point for providing a generic database tool.

Dynamically Loading User Controls

ASPFree

This sample illustrates how to dynamically instantiate user controls at run time.

Implementing Paging with with the LinkButton Server Control

DotNetJunkies

This article presents a way to implement paging by using LinkButton controls. With their use, ASP.NET automatically uses the ASP.NET JavaScript function __doPostBack for the anchor tags, causing a POST event for the entire form, thus enabling the Framework to maintain the state of the page when it is processed and sent back to the client.

Introduction to ASP.NET and Web Forms

MSDN

This article explains how Web forms are fundamental to Microsoft ASP.NET, shows how to build a Web form, and discusses the controls essential for building a Web form.

More and Less: How ASP.NET 2.0 Features Compare Against the Starter Kit Reference Applications

MSDN

The ASP.NET Starter Kits are five sample ASP.NET applications that provide code to accomplish common Web development tasks. This article looks at how the new features in ASP.NET 2.0 could be used to simplify the Starter Kits.

Navigating by XML: Creating a Table of Contents from XML

DotNetJunkies

In this article Marc demonstrates how to store a table of contents for your site in an XML file and display it via an XSLT file. Then learn how to use the XML data file to add navigation links to the individual pages and finally the target pages are converted to user controls.

NumberBox ASP.NET Control

http://www.reflectionit.nl/

The NumberBox control is an ASP.NET control, which lets the user only input numerical values. The base class of NumberBox class is the TextBox class. It uses JavaScript to validate the KeyPress event. An extra RegularExpresionValidator can be used to validate the control.

Vanishing Master/Detail DataGrid

DotNetJunkies

In this article, Filip will explain an interesting phenomenon which happens when you try to add more functionality to a nested dynamically created DataGrid.

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